Abstract
It is a well-established empirical finding that governments on average lose votes during their time in office. This exploratory analysis examines whether all members of coalition governments suffer the electoral cost of governing equally. Using electoral data from 20 parliamentary systems from 1961 to 2015, I compare the electoral performance of junior coalition members, the prime minister of a coalition, and single-party governments. Furthermore, I examine the conditioning effects of economic performance, legislative institutions as well as party ideology and size. I find that there are substantial differences in the electoral cost of governing for different types of coalition participation. The evidence suggests that the prime minister in a coalition is partially insulated from the penalties of government and thus should try to attract junior coalition members whenever possible.
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