New measures have opened up insights into the extent and complexity of global production networks. The chapters in this timely book deploy new tools to understand how global value chains change the nature of global economic interdependence, and to assess how that in turn changes our...

A large literature has shown that geographic frictions reduce trade, but has not clarified precisely why. We provide insights into why such frictions matter by examining which parts of trade these frictions reduce most. Using data that tracks manufacturers' shipments within the United States on...

Models with constant-elasticity of substitution (CES) preferences are commonly employed in the international trade literature because they provide a tractable way to handle product differentiation in general equilibrium. However this tractability comes at the cost of generating a set of...