Tag Archives: policy diffusion

1st May – 31st July 2021 highlights collection on policy diffusion

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Image credit: Evelyn Sturdy at Unsplash

Sarah Brown
Journal Manager, Policy & Politics

This quarter’s highlights collection focusses on the popular theme of policy diffusion, bringing new analyses offering fresh perspectives on this extensive area of scholarship.

In our first featured article on policy diffusion, Daniel Mallinson continues his efforts in offering the most comprehensive analysis to date on how policy innovation diffuses across American states. Although hundreds of articles have tackled the fundamental question of why innovative policies spread, none has fully grappled with the scope of their disparate results.

To fill that gap, this article presents a state-of-the-art systematic review and meta-analysis of how policy innovation flows from US state to US state and the average effects of commonly used variables in the study of policy diffusion. In doing so, it highlights important biases in the research and makes recommendations for addressing those biases and increasing international collaboration on policy innovation research and results. Continue reading 1st May – 31st July 2021 highlights collection on policy diffusion

Super Interest Groups and the Diffusion of Stand Your Ground Laws in the U.S. States

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Stephanie DeMora, Loren Collingwood, Adriana Ninci

As recently as last week, Stand Your Ground (SYG) laws were used to  States justify killing as self-defense. In Georgia, three young men were shot and killed in what is being called an attempted murderIn the most well-known SYG case, George Zimmerman claimed self-defense in the murder of Trayvon Martin in Florida in 2012 

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Florida was one of the first states to pass Stand Your Ground or No Duty to Retreat legislation in 2005. SYG legislation then spread rapidly to many states throughout the country. Research shows a significant increase in murder rates in states with Stand Your Ground laws. Our research showed that SYG laws passed after Florida’s were not only similar in content, but almost textually identical from state to state. We investigated this phenomenon further in our recent Policy & Politics article entitled “The Role of Super Interest Groups in Public Policy Diffusion”   Continue reading Super Interest Groups and the Diffusion of Stand Your Ground Laws in the U.S. States