
19.2. METHODOLOGICAL ISSUES
To focus thoughts on the interpretation of media effects, we propose a simple framework
highlighting the different channels for the media effects. This model builds on
Dahl and
DellaVigna (2009)
.
Consider a discrete-choice model where an audience is choosing between activities
x
1
, x
2
, …, x
n
. Some of these activities are media choices, such as watching a television
show, listening to the news on the radio, or reading a newspaper. Other activities instead
represent alternative uses of time, such as attending a group meeting in a village, reading a
book, or traveling to a nearby concert.
Assume a standard discrete-choice framework ...