particularly attractive locations to offshore? In this paper we address these questions with a theory of international production … hierarchies in which organizations arise endogenously to make efficient use of agents' knowledge. Our theory highlights the role …

We propose a theory of task trade between countries that have similar relative factor endowments but may differ in size … be performed at home or abroad, but offshoring entails costs that vary by task. In equilibrium, the tasks with the … highest offshoring costs may not be traded. Among the remainder, those with the relatively higher offshoring costs are …

and concentration and recovers shocks to entry costs. We validate our approach by showing that the model-implied entry … shocks correlate with independently constructed measures of entry regulation and M&A activities. We conclude that entry costs …

understanding migration decisions, focusing on the costs of migrating. We construct and then estimate a spatial equilibrium model … where mobility is determined not only by idiosyncratic tastes, but also by moving costs that are origin … network caused by the construction of a capital city to identify the bilateral costs of moving between two regions. The mean …

emissions. In the near-term, R&D investments, either by government or the private sector, can bring down the costs of these … technologies under uncertainty. Specifically, given two technologies, one with lower costs at present, but the other with greater …