Firms cluster their economic activities to exploit technological and informational spillovers from other firms. Spillovers through the entry of multinational firms can be particularly beneficial to domestic firms because of their technological superiority. Yet, the importance of foreign firm's...

We develop a simple test to assess whether horizontal spillover effects from multinational to domestic firms are endogenous to the market structure generated by the entry of the same multinationals. In particular, we analyze the performance of a panel of 10,650 domestic and multinational firms...