Nº 20-43: Does Firm Investment Respond to Peers' Investment?

AuthorL. Frésard, M. C. Bustamante
Date19 mai 2020
CatégorieWorking Papers

We study whether, how, and why the investment of a firm depends on the investment of other firms in the same product market. Using an instrumental variable based on the presence of local knowledge externalities, we find a sizeable complementarity of investment among product market peers, holding across a large majority of sectors. Peer effects are stronger in concentrated markets, featuring more heterogeneous firms, and for smaller firms with less precise information. Our findings are consistent with a model in which managers are imperfectly informed about fundamentals and use peers' investments as a source of information. Product market peer effects in investment could amplify shocks in production networks.

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