Persson and Tabellini (2003) show that presidential regimes and majoritarian election systems have important effects on fiscal policy, government effectiveness and productivity. Here, their dataset is extended in a number of ways: the number of countries included is increased from 85 to up to...

This paper proposes a comprehensive framework to address uncertainty about the correct factor model. Asset pricing inferences draw on a composite model that integrates over candidate models using posterior probabilities as weights. While the integrated model is weighted against deviations from...

Persson and Tabellini (2003) show that presidential regimes and majoritarian election systems have important effects on fiscal policy, government effectiveness and productivity. Here, their dataset is extended in a number of ways: the number of countries included is increased from 85 to up to...