By incorporating positional dynamics into a conflict model relevant to battlefields and politics, we show that the conditions that induce regime stability can also induce hard conflicts. We show that in contests with incumbent-challenger turnover, i) asymmetric power across groups and positions...

We argue that economic inequality harms social provisions for the poor, but that higher political competition can mitigate this effect. We test this hypothesis using a large redistricting of electoral boundaries in India and find that higher inequality causes more post-neonatal infant deaths,...

Have recent trends in globalization changed the positive link between trade openness and social insurance? The consensus view - that voters want better social insurance against income loss the more open the economy - is seemingly contested by the rise of populism and the China shock. We present...

Why do people in rich countries not transfer more of their income to people in the world's poorest countries? To study this question and the relative importance of needs, entitlements, and nationality in people's social preferences, we conducted a real effort fairness experiment where people in...

Trygve Haavelmo was in the United States from 1939 to 1947, and in this period he published most of his path-breaking contributions to econometrics for which the Nobel committee awarded him the prize. His list of publications after 1947 contains more than 100 items. We review his contributions...