opportunities depends on the nature of institutions. When institutions are strong, new opportunities or windfalls can have positive … effects. But when institutions are weak they can have negative effects. We present a simple model to illustrate how … comparative statics are conditional on the nature of institutions and show how this perspective helps to unify a large number of …

transportation improvements converged to create city growth. We assess the impact of institutions on growth by allowing two ways for … institutions to affect growth. Institutions can directly affect growth, or it can impact on trade, which in turn affects growth …. Once we separately quantify the link from institutions to trade, and trade to growth, the independent effect of …

We propose a model of cycles of distrust and conflict. Overlapping generations of agents from two groups sequentially … a sequence of bad actions originated. Assuming that both sides are not extremists, spirals of distrust and conflict get … this mechanism can be useful in interpreting cycles of ethnic conflict and international war, and how it also emerges in …

global climate policy and neutrality of the supporting institutions is critical for such cooperation to succeed. Difficulties …