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I will describe how a fraudulent paper developed and offer insights into the institutional changes that are needed. I was a co-author on a paper described as a “clusterfake” due…

Behaviorally-informed “nudges” are widely used in government outreach, but face criticism for being too modest to address poverty at scale. Indeed, when used to increase the take-…

We measure whether expert patients – those trained as physicians and nurses – have fewer emergency department visits and the reasons for these differences. Relative to similar…

Both academic researchers and political pundits have warned about the cumulative effects of partisan media over time. This concern hinges on the idea that repeated exposure to…

An enormous body of literature argues that recommendation algorithms drive political polarization by creating "filter bubbles" and "rabbit holes." Using four experiments with…

Various factors influence why some countries are more open to immigration than others. Policy is only one of them. We design country-specific measures of openness to immigration…

As political issues have increased in complexity, public opinion researchers increasingly ask respondents about sophisticated political topics that may require substantive…

A growing literature has challenged some of the more influential accounts regarding the role of courts in the development of social and economic policy in the United States. We…

The paper examines the early integration of Ukrainian refugee students into Italy's education system following the Russian Federation’s full-scale invasion of Ukraine in 2022.…

In this Presidential Address, I lay out three research streams in which my findings were valid when published, but which may have been time-bound to a particular period in global…