To determine which choice best supports the conclusion by Doug J. Chung and colleagues that introducing a paywall is generally more beneficial for larger newspapers, we need to focus on the differences in revenue changes and percentage changes between large and small newspapers.
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Large Newspapers:
- The New York Times: +$235,788 (20%)
- Chicago Tribune: +$94,492 (19%)
- Los Angeles Times: +$93,966 (12.5%)
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Small Newspapers:
- The Denver Post: -$3,765 (-1%)
- Sun Sentinel: -$24,899 (-11.9%)
From the data, we can see that:
- Large newspapers mostly experienced positive revenue changes and significant percentage increases.
- Small newspapers, in contrast, had negative revenue changes or minor positive changes.
Now, let's analyze the choices:
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Choice A: States that The Chicago Tribune and the Los Angeles Times had similar total revenue changes but that Los Angeles Times had a smaller percentage change. This does not directly support the conclusion regarding larger newspapers receiving more benefit.
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Choice B: Mentions the percentage changes of the Los Angeles Times (12.5%) and Chicago Tribune (19%), which shows that both are performing well, but does not make a strong case for the generalization about large newspapers benefitting more from paywalls.
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Choice C: States that The New York Times had a positive revenue change (20%) compared to The Denver Post which had a negative change (-1%). This provides clear evidence of a large newspaper's better performance over a small newspaper.
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Choice D: Points out that The Denver Post had the smallest percentage change (-1%), which indicates a lack of benefit from a paywall, but does not highlight the success of large newspapers.
The best choice that supports the conclusion is:
Choice C: The New York Times had a 20% revenue change, while The Denver Post had a −1% revenue change.
This clearly illustrates the advantage larger newspapers have over smaller ones in terms of financial impact from paywalls.