Social scientists are now in an era of data abundance, and machine learning tools are
increasingly used to extract meaning from data sets both massive and small. We explain …

This paper describes the influence of government ideology on economic policy-making in
the United States. I review studies using data for the national, state and local levels and …

The Trump presidency generated concern about democratic backsliding and renewed
interest in measuring the national democratic performance of the United States. However …

The 2016 election of Donald J. Trump invoked a time for reflection about the state of
American politics and its deep ideological, cultural, racial, regional, and economic divisions …

" Over the past forty years, conservatives have mastered the art of pursuing policy change
across the states, while similar liberal efforts have floundered. Using a diverse array of …

“[A] tour de force. Building upon her argument in Beyond Ideology, she adds an important
wrinkle into the current divide between the parties in Congress.”—Perspectives on Politics …

One of the most important developments affecting electoral competition in the United States
has been the increasingly partisan behavior of the American electorate. Yet more voters …

Over the last two decades, as the number of media choices available to consumers has
exploded, so too have worries over self‐selection into media audiences. Some fear greater …

Professor Cass Sunstein once quipped that the nondelegation doctrine (which purports to
limit congressional delegations of legislative authority to agencies)" has had one good year …

I develop a method to measure the ideology of candidates and contributors using campaign
finance data. Combined with a data set of over 100 million contribution records from state …