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LINUX Cluster Project

MGSE - Munich Graduate School of Economics


  • Name: Graduiertenkolleg VWL
  • Address: Ludwigstraße 28/III VG, 80539 München
  • Project Proposal Date: 2019-04-17 16:31:51


We are working for the project of firm-level network and social ties. The objective of this project is to understand how the social ties of CEOs affect firm-to-firm trade relationships. We use detailed firm-to-firm trade data covering around 70% of the firms in Japan (>1,200,000 firms). The data include CEOs’ birthdate and graduating university (alma mater), from which we construct proxies of social ties based on the CEOs’ school cohort. Our main empirical design examines whether two CEOs are likely to trade with each other if they are in the same school cohort relative to other cohorts in the same university. We investigate the impacts of social ties on various margins of firm-to-firm trade, including whether there is a supplier or buyer relationship (extensive margin), the trade volume (intensive margin), traded product or service, length of the trade relationship, and the usage of trade finance. We complement this analysis with a new survey aimed at better understanding the underlying mechanisms regarding why social ties matter for firm-to-firm trade (information friction or contract enforcement).