▪ Abstract Recent commentary points to clear increases in ideological polarization between
the major American political parties. We review the theoretical and empirical literature on …

Scholarly research has demonstrated rather conclusively that American political elites have
undergone a marked partisan polarization over the past thirty years. There is less …

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 …

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 …

“[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 …

Why do Republican politicians promise to rein in government, only to face repeated
rebellions from Republican voters and media critics for betraying their principles? Why do …

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 …

America faces daunting problems—stagnant wages, high health care costs, neglected
schools, deteriorating public services. How did we get here? Through decades of …

During the past two generations, democratic forms have coexisted with massive increases in
economic inequality in the United States and many other advanced democracies. Moreover …

Rarely these days does a news cycle pass without new stories of political dysfunction in
Washington, DC New reports of stalemates, fiscal cliffs, and failed grand bargains have …