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 …

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 …

This study develops and tests a theory of the diffusion life course using a dataset of 566
policies adopted between 1960 and 2016. Previous small‐N studies found differences …

The American states offer a wealth of variation across time and space to understand the
sources, dynamics, and consequences of public policy. As laboratories of socioeconomic …

Economists have studied the impact of numerous state laws, from welfare rules to voting ID
requirements. Yet for all this policy evaluation, what do we know about policy diffusion—how …

Summary In 1969, political scientist Jack Walker published'The Diffusion of Innovations
among the American States' in the American Political Science Review.'Walker 1969'has …

We utilize a new policy adoption database with over 500 policies to test whether the initiative
process influences the timing of policy adoption. Prior studies have produced both …

This article examines the relationship between legislative civility and legislative productivity
in US state legislatures. The research employs data from the National Survey of State …

Policy innovation is an essential approach for local governments to deal with external
challenges, which is also the case in response to the COVID‐19 pandemic. This article …

Previous scholarship has linked increased representation of women, racial/ethnic minorities,
the LGB community, and the working class to more representative legislative agendas and …