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...

Why do politicians rebel and vote against the party line when high stakes bills come to the floor of the legislature? We leverage the three so-called Meaningful Votes that took place in the British House of Commons between January and March 2019 on the Withdrawal Agreement that the Conservative...

We document a remarkable increase over the past two and a half decades in the fraction of people in England feeling close to no party - the rise of the "no party" - which, today, is close to constituting an absolute majority. We develop a new method to distinguish between age, period, and cohort...

We propose a new framework for the study of the psychological foundation of party identification. We draw a distinction between the part of an individual’s party preference that is stable throughout adult life and the dynamic part responding to lifecycle events and macro shocks. We theorize...