The Effect of Newspaper Entry and Exit on Electoral Politics
Matthew Gentzkow, Jesse M. Shapiro, Michael Sinkinson
American Economic Review · 2011 · Volume 101 · Issue 7
Abstract
We use new data on entries and exits of US daily newspapers from 1869 to 2004 to estimate effects on political participation, party vote shares, and electoral competitiveness. Our identification strategy exploits the precise timing of these events and allows for the possibility of confounding trends. We focus our analysis on the years 1869-1928, and we use the remaining years of data to look at changes over time. We find that newspapers have a robust positive effect on political participation, with one additional newspaper increasing both presidential and congressional turnout by approximately 0.3 percentage points. Newspaper competition is not a key driver of turnout: our effect is driven mainly by the first newspaper in a market, and the effect of a second or third paper is significantly smaller. The effect on presidential turnout diminishes after the introduction of radio and television, while the estimated effect on congressional turnout remains similar up to recent years. We find no evidence that partisan newspapers affect party vote shares, with confidence intervals that rule out even moderate-sized effects. We find no clear evidence that newspapers systematically help or hurt incumbents. (JEL D72, L11, L82, N41, N42, N81, N82)
Keywords
Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior, Production, Pricing, and Market Structure, Size Distribution of Firms, Entertainment, Media, Economic History: Government, War, Law, International Relations, and Regulation: U.S., Canada: Pre-1913, Canada: 1913-, Micro-Business History: U.S.
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