Descriptive statistics by county.
REGRESSION, FOX
Descriptive statistics at the county level. Top panel shows statistics for all counties, middle panel for treatment counties, and bottom panel for control counties. Vaccine first doses before campaign correspond to the vaccine count in the county on October 13. A county’s engagement rate is the number of 10-s (or longer) views of the ad, divided by the number of ad impressions the county received, multiplied by 100. View rate is the number of complete views of the ad divided by the number of impressions, multiplied by 100. Click rate is the number of times the Fox News story link was clicked, divided by the number of ads, multiplied by 100. CPM is the average cost (in dollars) of purchasing 1000 ad impressions in the county. Data on vote shares come from the MIT Election Data Science Lab (Among our 1083 treatment and 1085 control counties, 136 (69 treatment and 67 control) ended up reporting no vaccine count data to the CDC during our sample period. Our regression analyses therefore use the 1014 treatment counties and 1018 control counties with nonmissing CDC data. This set of counties spans 43 states.