Why are trade agreements regional? I address this question in a model of oligopoly featuring product variety. Tariffs have the effect of manipulating a country's terms of trade and shifting profits towards the domestic market at the expense of foreign trade partners. Countries endogenously form...

In this paper, we study how contract enforcement at the local level affects a firm's ability to supply customised intermediate inputs to foreign firms. Using Italian firm-level data, we show that firms located in courts with higher judicial trial length in civil disputes, which is our measure of...