To serve foreign markets, firms can either export or set up a local subsidiary through horizontal Foreign Direct Investment (FDI). The conventional proximity-concentration theory suggests that FDI substitutes for trade if distance between countries is large, while exports become more important...

The paper develops a model with lumpy setup costs, which govern the flow of bilateral foreign direct investment (FDI). Every country is potentially both a source for FDI flows to several host countries, and a host for FDI flows from several source countries. But technologically-advanced...