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Rosse's Model Revisited: Moving from Linearity to Concentric Circles to Explain Newspaper Competition by Janet A. Bridges and Barry Litman with Lamar W. Bridges Janet A. Bridges Associate Professor of Communciation University of Southwestern Louisiana Box 43650 107 Burke Hall Lafayette LA 70504-3650 318-482-6142 Barry Litman Professor of Telecommunication Michigan State University Lamar W. Bridges Professor of Journalism Texas A&M Univesity at Commerce Submitted to the Media Management and Economics Division, AEJMC, Chicago, 1997 An Abstract Rosse's Model Revisited: Moving from Linearity to Concentric Circles to Explain Newspaper Competition by Janet A. Bridges and Barry Litman with Lamar W. Bridges Competition in the newspaper industry is no longer explained by the linear umbrella model of competition proposed by Rosse in the 1970s. Changes in the newspaper industry suggest a more fluid model of concentric circles is appropriate. The proposed model retains the four Rosse layers, incorporates a fifth, and illustrates changing conditions in the newspaper industry that make suburban and satellite dailes more competitive. Submitted to the Media Management and Economics Division, AEJMC, Chicago, 1997 Rosse revisited, page This paper suggests a modification of the common interpretation of Rosse's umbrella model of newspaper competition from the generally demonstrated linear composition to one of concentric circles. Predicated on the assumptions that newspapers compete in two markets, (1) for circulation and (2) for advertising dollars, and that segmentation within the local market is crucial to a newspaper's survival, Rosse's seminal analysis of the newspaper industry resulted in the umbrella model of newspaper competition (Rosse, 1975; Rosse & Dertouzos,1978). Using an economic model, Rosse & Dertouzos (1978) explained that the newspaper (or product) is developed for broadest appeal in its local market. The model suggests that in a given geographic region competition among newspapers exists among four layers that linearly subordinate both different-sized communities and the newspaper organizations within these communities. Based on circulation penetration data from the San Francisco and the New York City areas, Rosse suggested that at the highest level, three layers of newspapers are subordinated to an overreaching "umbrella" layer of a central-city metropolitan daily that broadens its coverage and circulation, in effect becoming a regional or even a state paper. The densest circulation of the "umbrella" newspaper is in the central city itself. In each succeeding layer the newspaper is expected to serve a decreasing geographical area; the interests of the target audience (the circulation base) are assumed to become more local or narrow; and the potential advertising also becomes more restricted. Rosse suggested that the layer #1 daily is attractive to national and regional advertisers and therefore has a high quality content because of its economic status, but that the layer #1 daily doesn't cover local news beyond the metropolitan area very well. The second layer of the umbrella is what Rosse labeled "satellite" city newspapers, which have a dense circulation in their respective core cities but which also circulate, although less densely, in a regional area abutting the satellite community itself. The circulation of each satellite-city newspaper is discrete from circulation of dailies within other satellite cities. Using the umbrella terminology, each satellite city newspaper is shaded by the central city daily (ies) and in turn shades a third layer of daily newspapers, the suburban press. The suburban city newspapers of the third layer share a characteristic of the satellite dailies in that their circulation areas do not overlap, but they operate in a much more restricted circulation zone. Rosse showed no competition within the layers, only between the layers. Under the Rosse model, the suburban newspaper is competing with its relevant satellite newspaper and its relevant central city newspaper, but there is little or no overlap in circulation with other suburban newspapers, hence the linear model. A fourth layer of newspapers includes nondailies, noncontrolled circulation newspapers, shoppers without news, and other formats. Many of these serve communities without a suburban daily newspaper, but others operate within the broader layers of the satellite and/or central city newspapers. Unique to the fourth layer is special-interest content that identifies these newspapers individually. Owen (1975) and Picard (1989) demonstrated Rosse's umbrella model graphically: -------------- Figure 1 about here ------------- The graphic model implies that the fourth layer is also exclusive within the third layer, which is appropriate for those publications that focus on a geographic area. But, as Rosse and Dertouzos (1978) said, special-interest and weekly newspapers may serve overlapping geographic areas or may circulate within larger communities already served by metropolitan or satellite newspapers. Rosse & Dertouzos (1978) illustrated the umbrella model using circulation penetration in the San Francisco Bay area, where two dailies competed in the central city layer. Their figures showed a decline in metropolitan newspaper penetration in the larger city (San Francisco), while penetration of smaller dailies in their respective satellite and suburban communities was increasing. They later explained the central-city decline with four factors: (1) the general-interest content of the metropolitan daily newspapers had been subsumed by television news--competition from another medium; (2) "input" costs, notably newsprint, had increased, causing increases in circulation and content to become more expensive, a problem that increases with the size of the paper; (3) labor costs had risen in the central cities; and (4) urban demographics had changed as population moved to the suburbs and was followed by potential retail and industrial advertisers. Rosse & Dertouzos's analysis of the New York City market showed the expected decrease in central city penetration and the domination of the central city by three major daily newspapers, but not the predicted exclusive, limited geographic circulation in the second and third layers. However, they felt the umbrella model was supported because the three suburban daily newspapers had stronger penetration in their circulation areas than did the central-city dailies, and the individual New York City newspapers still circulated most densely in the central city. Even so, suburban penetration of the central-city dailies was substantial and specific to certain suburban communities. Rosse (1975) had suggested that advertising competition would not be "effective" within layers. He predicted that the capability of television to carry national advertising to a broader audience than possible with individual metropolitan newspapers would result in geographic selectivity in circulation as the metropolitan dailies took advantage of economies of scale and pulled back their reach. This selectivity would shrink the reach of these first layer papers in the umbrella and encourage smaller-layer papers to broaden their content. Underlying the umbrella model seem to be four assumptions, both stated and unstated: 1) circulation penetration will be strongest in the newspaper's home community 2) analysis of penetration will substitute for an analysis of advertising [Rosse & Dertouzos indicated that other factors besides circulation affect advertising, but said "audiences are necessary before advertising can be sold" and presented circulation as evidence (1978: 148)] 3) as newspapers move farther from layer #1, advertising will become increasingly local 4) as newspapers move farther from layer #1, content will become increasingly local and of lesser "quality." Quality was not defined. PRIOR STUDIES Since Rosse presented his umbrella model, other researchers have attempted to duplicate Rosse's results in other geographic areas or have used his model as a base for additional research. Most of the research is based on one of the assumptions. Circulation-based studies: Tillinghast (1988) tested the umbrella model in southern California where two metropolitan newspapers in Los Angeles competed with two satellite and 20 suburban dailies. The suburban newspapers had heavy competition from the two higher layers in their retail trading zones, less so in their city zones. There was little competition among the suburban dailies during the week, although on Sundays those with Sunday editions had substantial circulation in the city zones of their suburban competitors without the Sunday edition. Still, the metropolitan Times had even higher penetration in those suburban communities. Tillinghast concluded that in this southern California market the umbrella model was supported by the inter-layer competition. Devey (1989) examined circulation in the Boston area from 1945 to 1985 when Boston had as many as three competing metropolitan newspapers. She found that circulation increased faster at the lower umbrella levels than at the metropolitan levels, although Globe (the leading paper) circulation increased faster than the lower-level newspapers combined. The trailing metropolitan papers lowered the metro figures overall. More importantly, circulation in satellite and suburban papers increased proportionately to increases in population. Suburban newspapers grew faster than their population; therefore, Devey suggests that competition is strongest between satellite and suburban newspapers when the metropolitan layer has newspapers that are concentrating on competing between or among themselves. Although she did not replicate Rosse & Dertouzos's penetration analysis in each community, the findings suggest that full umbrella inter-level competition is not a factor in the Boston area, because circulation as a proportion of the existing population is apparently not affected by the metropolitan newspaper situation. However, Rosse's prediction that lower layer papers would grow if metropolitan circulation was pulled back was supported. Using 900 suburban newspapers from a broader geographic base, an earlier study (Niebauer, et al., 1988) examined the effects of three conditions of central-city competition on both daily and weekly suburban newspapers, and the results were similar to Devey's. The strongest predictor of presence of a suburban newspaper was the population of that suburb. The authors were not testing the umbrella model, but a very weak link between circulation of the metropolitan dailies and absence of a suburban daily newspaper in a community indirectly supports Rosse's model of inter-layer competition, regardless of the intra-layer competition status of the metropolitan newspaper. Lacy and Davenport (1994) and Lacy and Dalmia (1991) tested the umbrella model using county penetration, loosening the criteria that determine competition. The 1991 study was restricted to Michigan and partially supported the umbrella model. The examination of Michigan newspapers identified some intra-layer competition, contrary to expectations of the umbrella model, and identified a continually changing industry. The 1994 study extended the Lacy and Dalmia concept to the national level and replicated the results of the Michigan study. Nearly half of the counties had daily newspapers circulating from two or more layers and nearly half had two or more newspapers from the same layer. The two studies used a new definition of competition; Rosse's standard of competition was much more restrictive. Lacy and Davenport suggested that newspapers could pursue regional competition, and Lacy and Dalmia suggested that the density of population in an area may affect the umbrella model. Lacy and Dalmia (1991) suggested that two additional layers should be added to Rosse's model: (1) isolated dailies and (2) isolated weeklies that are too far from the metropolitan area to be reached by a metropolitan newspaper. Lacy (1988) had earlier suggested in a review that a broad layer of national newspapers overlays the first metropolitan layer suggested by Rosse and added a layer of grouped nondailies. Lacy also noted that group-owned suburban daily newspapers form a separate competitive environment between the suburban and weekly layers. Advertising-based studies: Using national advertising figures to determine elasticity of demand, Busterna (1987) refuted Rosse's and Owen's assertions that competition for national advertising in newspapers comes from competing national media. Busterna did not examine individual markets. Combined Advertising and Circulation-based studies: If predictions of newspaper executives can substitute for circulation and advertising statistics, a regional study indicated that weeklies (the fourth layer) perceive more competition from suburban than from metropolitan dailies (Lacy, 1984). Suburban publishers predicted that removal of the metropolitan daily newspaper from their umbrella would bring more circulation but not affect advertising; weekly newspaper publishers predicted the reverse. Metropolitan daily executives were more likely to predict an increase in inter-layer competition than were publishers in the lower layers, counter to Rosse's prediction (as Lacy noted). Lacy did not separate the satellite and suburban layers. Further analysis of the data (Lacy, 1985) indicated that lower-layer publishers under competitive metropolitan dailies perceived more advertising competition than those under monopoly metropolitan dailies. The reverse was true for competition for circulation. Advertising competition was seen as more of a threat when the second-layer daily was within 20 miles of the first-layer community. Content Studies: Content studies have been based on the premise that substitutability of content (both news and advertising) will affect competition and on a concern for quality of content. Using an indirect measure of content, Lacy (cited in Lacy, Fico and Simon, 1988) found that intercity competition was related to the proportion of the newspaper given to news and the proportion of the newshole allocated for local news. Although not specifying where competition fit into the layers, Lacy, Fico and Simon (1989) used path analysis with 21 large newspapers to determine whether competition between cities was related to quality of content. Assuming that a smaller workload for reporters would mean more attention to individual stories and therefore higher quality content, they found that competition from other cities was positively related to fairness in stories but negatively related to reporter workload and by extension to story imbalance. Attempting to determine cross-elasticity of demand, Lacy and Sohn (1990) compared content about suburban areas in Detroit and Denver metropolitan newspapers and content of nondaily newspapers in the same suburbs with the circulation of each newspaper in the relevant suburb. They also examined display and insert advertising. Comparing similarity of correlations, they found little evidence of substitutability of the metro and weekly newspapers in Detroit. But in Denver, the correlations indicated that display advertising, insert advertising, and local sports coverage were substitutable content. In both metropolitan areas circulation of the suburban weeklies had high correlations with local sports, local editorials and local social news, while the metropolitan dailies had high correlations between circulation and display advertising. Summary of Direct Tests of the Model: Some of the preceding studies examined elasticity of demand for advertising and variations in newspaper content under differing conditions of competition, but those studies that directly tested the linear umbrella model have: (1) looked at the effects of metropolitan intracity competition on the umbrella model (2) examined the inter-layer circulation competition in different geographic locations (3) proposed expanding the definition of circulation competition from the city to the county (4) suggested adding more layers to the model. The effects of metropolitan intracity competition were mixed. Tillinghast found that with metropolitan intracity competition the umbrella was supported, but Devey's conclusions were just the opposite. Neibauer et al. also found that the metropolitan intracity status did not affect the suburban market. Geographically, in examinations of circulation the model was supported in California, not supported in Boston, and mixed in Michigan and nationally. While the Lacy and Dalmia and Lacy and Davenport studies may suggest reason to discredit Rosse's assumption of no intra-layer competition (the authors carefully interpret their findings as demonstrating "potential" for intra-layer competition), they do not apply as rigorous a test as did Rosse and Dertouzos, who tested the assumption by comparing circulation density within specific communities (p. 39). Both Lacy and Dalmia and Lacy and Davenport tested the assumption by noting presence or absence of the competing newspaper(s) in a broader geographic area, the county; presence was defined by 5 percent penetration. This measurement makes intuitive sense, but if applied to Rosse's example, would be a reinterpretation of the San Francisco data. Alameda County had four and Contra Costa County had three suburban daily newspapers circulating and would under the Lacy and Dalmia and Lacy and Davenport criterion be illustrative of intralayer competition. Thus the evidence used to demonstrate Rosse's model would refute it. As indicated by Lacy and Davenport, the county aggregate data do not permit conclusions about substitutability of the individual dailies within the county. This caution would also apply to the amount of competition between and among the dailies. While under the Rosse measure there is also no guarantee of the influence of the local daily in a specific community, this consideration is even lower when the county is the standard. There is also growing evidence that in the 1990s, these intra-county dailies may be cooperative rather than competitive (see below). Additional layers proposed were a national layer, a separate suburban layer of chain-owned dailies or weeklies, an isolated suburban and an isolated weekly layer. INDUSTRY CHANGES SINCE ROSSE Since the late 1970s when Rosse presented his umbrella model, the newspaper industry has focused seriously on expanding its penetration into nonlocal areas and on making smaller daily and even weekly newspapers attractive to nonlocal advertisers. The industry is experiencing some attempts by both satellite and suburban papers to circulate beyond their geographic boundaries and even attempts to attract commuters from other geographic areas, because commuters spend much of their time in the work communities and are useful to the advertisers there. The industry also is experiencing extensions of group ownership that combine geographically proximate suburban newspapers into one package for national and regional advertising, and, as Lacy had noted for suburban chains in general, this regional package competes with the other levels of newspapers. This suburban group ownership can also provide a centralized news office that can provide news common to chain members and take advantage of economies of scale that had formerly been restricted to larger dailies. Rosse had made the assumption that suburban daily newspapers are primarily local in content, but with the availability of wire services and feature syndicates, some suburban papers have little local news as they strive to compete by providing a broader news function for their readers. Owen (1975) had remarked that wire services and feature syndicates affect the "'intraumbrella' effectiveness of competition" because they can exclude a newspaper from their services (p. 53). Rosse had predicted that if lower-layer newspapers could expand their news base, they would compete more intensely with the upper-level dailies. Because smaller dailies generally have lower salaries, maintaining the staff necessary to cover and investigate local news is often a problem and therefore "canned" material is more economical for them. To demonstrate his umbrella model Rosse had presented an analysis of circulation penetration proceeding linearly from the largest community to the smallest; we are suggesting -- that changes in technology and in the industry suggest that newspaper competition is no longer explained by a line [in an "umbrella," a spoke] from the lowest level newspaper through to an overriding metropolitan daily (or competitive metropolitan dailies) that shades each succeeding level, as has been the interpretation of Rosse's umbrella. Rather we are suggesting that the newspaper market operates as a series of concentric circles - still under an shading through overlap - but without the linearity (see Figure 2 below). -- that advertising must be examined separately from circulation. Picard (1993) indicated that newspaper revenue comes from two individual streams, 65 to 80 percent from advertising and 20 to 35 percent from circulation. In addition, as we will demonstrate below, local circulation may not be the determining factor for advertising. --that circulation analyses will demonstrate that both inter- and intra-layer competition are common and that this competition is not limited to specific linear sublayers. DATA FOR THE CIRCULAR MODEL Although newspaper competition comes from nonprint media as well as other newspapers, at least one study (Lacy, 1988) found little impact of intermedia competition on allocation of resources used in the news process. Therefore, this discussion will concentrate on newspapers as a separate competitive system. When circulation is discussed, daily circulation will be the base of analysis. Circulation: As mentioned above, studies have tested Rosse's model in California, Colorado, Michigan and nationally. They used both county penetration and city penetration. We purposively attempted to find a competitive situation in a different geographic area where satellite newspapers operated, and located competing large dailies in the Tampa Florida region. Audit Bureau of Circulations (ABC) data indicate that the Tampa region has two large daily newspapers, The Tampa Tribune and the St. Petersburg Times, competing against each other. The Times maintains a separate SRDS listing under Tampa as well as under St. Petersburg.[1] No finite definition separates metropolitan daily newspapers from satellite newspapers, but the size of these newspapers compared to metropolitan daily newspapers such as The Dallas Morning News, the San Francisco Chronicle, or even the Atlanta Journal/Constitution lead us to categorize the two Florida dailies as smaller, satellite dailies. The Miami Herald (which circulates in Hillsborough county where Tampa is located) provides weak metropolitan "shade." The Orlando Sentinel is also a smaller presence in Hillsborough county. As Lacy (1988) suggests, a national layer exists.USA Today and the Chicago Tribune circulate in Hillsborough and Pinellas counties (St. Petersburg is in Pinellas county), creating a separate national layer. Thus under our definition, the layers in the Tampa area are national, metropolitan, satellite, suburban and weekly. Because the retail trading zone associated with the Tampa newspaper covers a finite area, we are interested here in the relationship between and within the satellite and suburban layers. ABC weekday city-penetration figures for the four suburban daily newspapers in the Tampa designated market are presented in Table 1.[2] If we look only at the raw penetration percentages, the linear interpretation of Rosse's umbrella model is supported. But a closer look indicates that the St. Petersburg Times is making inroads into the Tampa city circulation. Although showing only 5 percent penetration, this is one-fifth the amount that the Tampa Tribune has for itself in its home community. The suburban layer also has a second interpretation if we look at the overlap in the Sarasota Herald-Tribune and the Bradenton Herald. Although the Bradenton daily has minimal penetration in Sarasota (less than 2 percent), the Sarasota daily has 14 percent penetration in Bradenton, where the Bradenton Herald has 31 percent itself. This is almost half as much penetration as the local daily. Although we could say these figures are not as high as the city-based daily, the penetration is strong and these figures suggest that there is indeed competition for circulation within the suburban layer. Inter-layer competition is most prevalent in Lakeland (for the Tampa Tribune) and in Crystal River (for the St. Petersburg Times). In Crystal River, the St. Petersburg newspaper has almost half as much penetration as the local daily. -------TABLE 1 ABOUT HERE ------- Table 2 presents ABC analysis of proportions of county circulation of daily newspapers in the same Florida market. The Tampa Tribune increases its proportion of circulation in Citrus County; there is a minor amount of circulation from the suburban dailies in the satellite layer; but overall the patterns of circulation competition do not change. Advertising: For advertising competition, we start with general information from SRDS that demonstrates changes in the industry's approach to attracting advertising. The move is to cooperation, especially within layers for nonlocal advertisers, rather than competition. First, in the early 1980s the newspaper industry adopted the Standard Advertising Units (SAU), a mechanical device that signaled a cooperative attitude among competing daily newspapers, regardless of their placement in the umbrella model. The significance of the SAUs was that newspapers were committing to standardizing their formats to six-columns and standardizing their advertising sizes to accommodate potential advertisers. The individualized formats used prior to the SAU agreement meant that advertisers had to reformat ads to fit into various structures if they wanted to reach readers of different newspapers. Under the SAU format, an ad of one size would fit the same way into all newspapers using the SAUs, thus reducing first-copy costs for advertisers who might wish to advertise in smaller newspapers. The industry also cooperates nationally in six common retail categories to place ads through the National Newspaper Network in combinations of their member daily newspapers. These newspapers operate at all levels of the "umbrella." More important is the regional focus of the suburban "groups." Newspaper analyst Morton (1997) calls this proliferation of regional groups "clustering," a term he says will be the buzzword of the 1990s. The industry has always had groups of smaller newspapers, but as Morton explains, groups are buying and trading with regionalism as the goal. As the clustering becomes more and more regional, the potential increases for production economies of scale that were available only to the larger newspapers in Rosse's analysis. Consolidated production and administrative activities can reduce costs and enable the group to present an advertising package to retailers whose buying decisions have been becoming more and more national and regional. Morton also suggested that the clustering would improve news content through shared coverage and features. What these trends imply is that at least at the suburban level competition for advertising across layers is resulting in cooperative ventures within layers beyond the local market. This cooperation creates overlap in the pool of potential advertisers, a contradiction of the assumption behind the linear interpretation of the umbrella model. The inter-layer competition that is the end result of this cooperation will make the regional package competitive as a unit rather than on a one-on-one basis with larger newspapers. The demographics of the relevant suburban areas could make these clusters very competitive with the overall market of larger dailies. Delivery and newsprint costs still restrict indiscriminate circulation growth. Demographics rather than density may dictate competition. Returning to the Florida markets, SRDS indicates that four daily and two weekly newspaper regional groups were operating in the state at the end of 1995. Seven weekly newspapers are part of the Tampa Suburban group, providing competition to the Tampa region from the fourth layer of Rosse's model. Five daily newspapers are clustered in the Gainesville area, where metropolitan daily circulation is minimal. The largest proportion in Alachua county (Gainesville) is 2.2 percent for the Orlando Sentinel. The Gainesville-area group presented paid daily circulation of 158 thousand and asked $110.29 per inch for a black-and-white ad, or .0698 cents per thousand. This compares to the metropolitan Orlando Sentinel , which presented 281 thousand circulation and asked $204 per inch for a black-and-white ad, or .0726 cents per thousand. Demographics and other market factors should have more consideration in this competitive situation than circulation per se. The Florida groups and group rates indicate that the competition for advertising is not an attempt to eliminate another suburban newspaper but is focusing instead on the ways daily newspapers can cooperate to become more attractive for advertisers outside of the local market. The local market is weak; retailers have been consumed by large chains, and the large chains want more than a small local market for their advertising dollars. By responding to these advertiser needs, the suburban newspapers are moving away from the linear umbrella model and becoming a fluid, changing layer that competes differently under differing regional conditions. The larger daily newspapers have been experimenting with on-line news delivery and are beginning to see financial returns. When advertising becomes a major component of these web sites, the fluidity of competition will change again. THE CIRCULAR MODEL Although the Florida figures are not definitive, combined with prior studies they suggest that the linear model no longer fits the industry as a whole. The proposed circular model accounts for the changing nature of the newspaper market, as compared to the false sense of order and proportion between the layers portrayed by the linear umbrella model. The market is more fluid than it was in 1975, and the area of natural advantage for each newspaper will depend both on the geographic location and on the role the newspaper has chosen to play in its particular market. (Lacy and Dalmia, 1991, for example, had noticed that in Michigan the newspaper industry was continually changing.) The newspaper's choice of a role is a major consideration, as this model accommodates the behavior of the newspaper rather than just its location. This role will also determine the content or product differentiation portrayed by each newspaper. The proliferation of chain ownership has also changed the market, providing the potential for economies of scale for smaller newspapers and reallocation of resources among the larger dailies. As Figure 2 demonstrates, the circular model retains Rosse's layers, but incorporates them into concentric rings rather than assuming the linearity of layers of larger and larger umbrellas.[3] ---------------------- Figure 2 about here ----------------- In Figure 2 the outer ring would include national newspapers (Lacy, 1988, had also suggested a national layer) of both newspapers with national content such as USA Today and specialized/other newspapers that may circulate nationally such as The New York Times, The Wall Street Journal and the Christian Science Monitor. Also included in this ring would be newspapers that circulate in a broad geographic area of the country. The second ring includes the major metropolitan newspapers that circulate throughout the state or a lesser region than those in the first ring. These newspapers may have zoned editions or may circulate daily with constant material. The rings would support Rosse's assumption that the metropolitan newspapers would be more global in content and would have more circulation density in the metropolitan city. The third and fourth rings are made up of smaller city daily newspapers, but their area of competition is not restricted. The satellite newspapers could compete either intralayer or interlayer and are expected to expand their reach beyond the satellite central city (note the data for Tampa and St. Petersburg in this study, where the St. Petersburg Times is beginning to compete in Tampa, for example). The suburban daily newspapers also show competition within their layer, in this study demonstrated by the movement of the Sarasota Herald-Tribune into the Bradenton city area. Mobile commuters who are commuting more between suburbs than to central cities (Stepp, 1996) reduce the stability of reader interest in the suburban cities. This commuting trend and geographic clustering of the suburban chains (Morton, 1997) are expected to make the suburban competition even more fluid. Lacy (1988) had suggested that grouped suburban dailies operated between two rings, but that distinction is implied by the fluidity of the rings. A fifth ring includes weekly newspapers, shoppers, and ethnic and other specialized nondaily newspapers operating within any geographical area throughout the state or region, a concept articulated by Rosse. Newspapers in this ring generally have control within the area they choose to serve. A shopper may operate in a single geographic area, while an ethnic newspaper may circulate regionally or even farther. They generally have little competition in their own niche. Lacy and Dalmia (1991) had addressed the isolated weekly, and Lacy (1988) had noticed the effect of grouped nondailies, but both are incorporated in the nondaily, specialized ring. The ring model presumes a fluidity of competition that responds to changes in either advertising prices and/or circulation, regardless of the local area of natural advantage. Rosse had predicted many of the changes in the newspaper industry and had articulated scenarios that would result in other changes. This concentric circle model of newspaper competition incorporates these changes. NOTES Audit Bureau of Circulations. "Audit Report: Newspaper": Bradenton Herald (May 1996). Audit Bureau of Circulations. "Audit Report: Newspaper": Citrus County Chronicle (July 1996). Audit Bureau of Circulations. "Audit Report: Newspaper": The Ledger (April 1996). Audit Bureau of Circulations. "Audit Report: Newspaper": St. Petersburg Times (August 1996). Audit Bureau of Circulations. "Audit Report: Newspaper": Sarasota Herald-Tribune (May 1996). Audit Bureau of Circulations. "Audit Report: Newspaper": The Tampa Tribune (July 1996). Audit Bureau of Circulations. "County Penetration Report": Florida (October 1996). Busterna, John C. "The Cross-Elasticity of Demand for National Newspaper Advertising." Journalism Quarterly 64 (1987): 346-51. Devey, Susan M. "Umbrella Competition for Newspaper Circulation in the Boston Metro Area." Journal of Media Economics (spring 1989): 31-40. Lacy, Stephen. "Competing in the Suburbs: A Research Review of Intercity Newspaper Competition." Newspaper Research Journal 9 (1988): 69-76. Lacy, Stephen. "Competition among Metropolitan Daily, Small Daily and Weekly Newspapers." Journalism Quarterly 61 (1984): 640-644, 742. Lacy, Stephen. "Effect of Intermedia Competition on Daily Newspaper Content." Journalism Quarterly 65 (1988): 95-99. Lacy, Stephen. "Monopoly Metropolitan Dailies and Inter-City Competition." Journalism Quarterly 62 (1985): 640-644. Lacy, Stephen, and Shikha Dalmia. "Michigan Newspaper Competition from 1980 to 1986: Expanding the Geographic Application of the Umbrella Model." Paper presented to the Association for Education in Journalism and Mass Communication, Boston, 1991. Lacy, Stephen, and Lucinda Davenport. "Daily Newspaper Market Structure, Concentration and Competition." The Journal of Media Economics 7 (1994): 33-46. Lacy, Stephen, Frederick Fico, and Todd Simon. "Relationships among Economic, Newsroom, and Content Variables: A Path Model." Journal of Media Economics (1989): 51-66. Lacy, Stephen, and Ardyth B. Sohn. "Correlations of Newspaper Content with Circulation in the Suburbs: A Case Study." Journalism Quarterly 67 (1990): 785-793. Morton, John. "A Flurry of Deals to Create Clusters." American Journalism Review (1977 March), 52. Niebauer jr., Walter E., Stephen Lacy, James M. Bernstein and Tuen-yu Lau. "Central City Market Structure's Impact on Suburban Newspaper Circulation." Journalism Quarterly 65 (1988): 726-732. Owen, Bruce M. "Newspapers" in Economics of Freedom of Expression: Media Structure and the First Amendment (Cambridge MA: Ballinger Publishing Co., 1975): 50-53. Picard, Robert G. "Economics of the Daily Newspaper Industry" in Alison Alexander, James Owers and Rod Carveth, eds., Media Economics: Theory and Practice (Hillsdale NJ: Erlbaum, 1993): 181-203. Picard, Robert G. Media Economics: Concepts and Issues. Newbury Park: Sage, 1989. Rosse, James N. "Economic Limits of Press Responsibility." Studies in Industry Economics No. 56, Paper presented at Duke University Center for the Study of Communications Policy, January 1975. Rosse, James N. and James Dertouzos. "Economic issues in Mass Communication." Proceedings of the Symposium on Media Concentration, Vol. 1, presented at the Bureau of Competition of the Federal Trade Commission, December 1978: 40-192. Stepp, Holly E. "Public Transit Use Down, Study Finds: Many Commuting between Suburbs rather than to Cities, Census Data Show." The Dallas Morning News (August 16 1996), p. A1, A14. SRDS Newspaper Advertising Source 77:12 (December 1995). Tillinghast, Diana S. "Limits of Competition," in Robert G. Picard, James P. Winter, Maxwell E. McCombs and Stephen Lacy, eds., Press Concentration and Monopoly (Norwood NJ: Ablex, 1988): 71-87. Table 1: Daily Penetration of Tampa Designated Market Cities, 1996 ABC data. (in percents) St.Peters- Braden- Crystal City: Tampa burg ton Sarasota Lakeland River Tampa Tribune 25.45 1.85 1.76 .45 10.24 1.86 St. Ptrsbg. Times 5.05 17.92 1.64 .22 n.a. 4.47 Bradenton Herald n.a. n.a. 31.10 1.69 n.a. n.a. Sarasota Herald-Trib. n.a. n.a. 14.40 41.81 n.a. n.a. Lakeland Ledger n.a. n.a. n.a. n.a. 67.23 n.a. Crystal River Citrus Cty. n.a. n.a. n.a. n.a. n.a. 9.24 Table 2: Proportion of Daily Circulation in Tampa Designated Market Counties, 1996 ABC data (in percents). Hills Pinnel- Mana- Sara- County: borough las tee sota Polk Citrus Tampa Tribune 40.6 6.9 2.6 1.4 9.7 11.6 St. Ptrsbg. Times 5.7 61.0 2.0 .2 n.a. 21.3 Bradenton Herald .0 n.a. 42.4 .8 n.a. n.a. Sarasota Herald-Trib. n.a. n.a. 19.2 58.0 n.a. n.a. Lakeland Ledger .2 n.a. n.a. n.a. 45.3 n.a. Crystal River Citrus Cty. n.a n.a n.a. n.a. n.a. 42.0 USA Today 1.6 1.1 1.3 2.1 .8 .8 Miami Herald .2 n.a. n.a. .2 .0 n.a. Orlando Sentinel .1 n.a. n.a. n.a. 1.5 .8 Chicago Tribune .2 n.a. n.a. n.a. n.a. n.a. El Vocero/ Puerto Rico .0 n.a. n.a. n.a. n.a. n.a. Charlotte Sun-Herald n.a. n.a. n.a. 1.5 n.a. n.a. Ocala Star-Ban'r. n.a. n.a. n.a. n.a. n.a. 2.6 Figure 1: Rosse's Linear Umbrella Model of Newspaper Competition from Owen (1975), p. 51 from Pickard (1989), p. 30 Figure 2: Concentric Circles: The Ring Model of Newspaper Competition [1] . Information attributed to SRDS is from the December 1995 volume. ABC data are from 1966 audit reports. [2] . These city-penetration figures were calculated from ABC zipcode distribution data by adding all one-day gross distribution attributed to the relevant cities by ABC and dividing by the 1995 projected number of households in the community, as provided by ABC. These figures may tend to overestimate the penetration, because gross distribution figures may include nondelivered newspapers and a few zipcodes cover more than one community. However, the delivered newspaper figures were estimates. [3] .Lacy and Dalmia (1991) cited an unpublished paper by Shikha Dalmia, "Ring Theory as an Alternative to the Umbrella Model of Newspaper Competition: A Study" but did not expound on the information. The paper was unavailable.
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