Adapting to some level of climate change has become unavoidable. However, there is
surprisingly limited systematic knowledge about whether and how adaptation policies have …

As national political fights are waged at the state level, democracy itself pays the price Over
the past generation, the Democratic and Republican parties have each become nationally …

This article discusses the recent literature on policy diffusion and puts forward a new
articulation of its political dimensions. Policy diffusion means that policies in one unit …

This article puts forward four strategies to improve policy diffusion research in political
science:(1) use existing concepts consistently and improve their measurement,(2) clarify …

Research on how policies diffuse throughout the American federal system is robust and vast,
but there has yet to be a systematic accounting for its results. Using a systematic review and …

In recent decades, we have witnessed the diffusion of policy diffusion studies across many
sub-disciplines of political science. Four mechanisms of policy diffusion—learning …

States adopt policy innovations within the confines of a dynamic American federal system,
but our study of policy diffusion tends to be fairly static. Single‐policy studies incorporate …

In this article, we present the results from a large-scale field experiment designed to
measure racial discrimination among the American public. We conducted an audit study on …

The COVID-19 pandemic highlights the importance of responsive institutions: governments
and communities coordinating policy changes; media, social networks, and officials swiftly …

Conducting quantitative research (eg, surveys, a large number of interviews, experiments)
with the participation of political elites is typically challenging. Given that a population of …