We analyze the role of risk aversion and intertemporal substitution in a simple dynamic investment model. Our main finding is that risk aversion cannot by itself explain a negative relationship between aggregate investment and aggregate uncertainty, as the effect of increased uncertainty in...

We develop a theory of endogenous regimes transitions (with a focus on democratic consolidation), which emphasizes the role of political culture and of its interaction with political institutions. Political culture reflects the extent of individual commitment across citizens to defend democracy...

Many episodes of extension of franchise in the 19th and especially in the 20th century occurred during or in the aftermath of major wars. Motivated by this fact, we offer a theory of political transitions which focuses on the impact of international conflicts on domestic political institutions....

We investigate how nondemocratic regimes use the military and how this can lead to the emergence of military dictatorships. Nondemocratic regimes need the use of force in order to remain in power, but this creates a political moral hazard problem; a strong military may not simply work as an...