When environmental regulations are unpopular, policymakers often attribute resistance to information frictions and poor communication. We test this idea in the context of a major climate policy: Germany’s Heating Law of 2023, which mandates the phase-out of fossil fuel heating. Through a...

In many European countries established leftwing and rightwing parties have been threatened by policy convergence and, in turn, new populist parties that offer more polarized platforms. I investigate whether government ideology influences dragnet-controls - controls of persons conducted by the...

In 1975, a federal court ordered the desegregation of public schools in Jefferson County, KY. In order to approximately equalize the share of minorities across schools, students were assigned to a busing schedule that depended on the first letter of their last name. We use the resulting...

One of the most widely discussed phenomena in American politics today is the perceived increasing partisan divide that splits the U.S. electorate. A central contested question is whether this diagnosis is actually true, and if so, what is the underlying cause. We develop a model that relates the...

A unique dataset is used to separately analyze the social origins of left-wing and nationalist-separatist terrorism in 17 Western European countries between 1970 and 2007. We argue that the differences in the historic roots, ultimate goals as well as their negotiability, levels of domestic and...

We examine how donor government ideology influences the composition of foreign aid flows. We use data for 23 OECD countries over the period 1960]2009 and distinguish between multilateral and bilateral aid, grants and loans, recipient characteristics such as income and political institutions,...

Principal-agent problems can arise when preferences of voters are not aligned with preferences of political representatives. Often the consequence of the political principal-agent problem is political catering to special interests. In this paper I provide examples of principal-agent problems...

We investigate empirically how party ideology influences size and scope of government as measured by the size of government, tax structure and labor market regulation. Our dataset comprises 49 US states over the 1993-2009 period. We employ the new data on the ideological mapping of US...