Since our analysis focuses on within-state variation, we exclude states containing a single media zone as well as states for which we have information about only one media zone. Thus, the Minneapolis-St. Paul market figures in our examination of Wisconsin and not Minnesota, because no other major media market reaches the latter. The advertising dataset we examine here covered advertising in the largest 75 markets in 2000, reaching approximately 78% of the population living in the 48 continental states (Johnston et al. 2004, 74).9 Given these constraints, the total number of observations here is 128.
N/A (the aim of the “regression discontinuity” approach used here is to capitalize on a data generation process that arbitrarily sorts voters within states into high- and low-exposure media zones.)
Turnout rate in 2000 general election
Krasno, Jonathan S., Donald P. Green