Plausibly Exogenous [1179] - Supply Chain (04/25/2023)

LHS Variable
Global supply chain relationships

RHS Variable
Co-ethnic networks

Source of Exogenous Variation
Instrumental variable which exploits the unique US migration history for more than a century to construct an instrument for the present distribution of ancestry composition

- Choi, Hyun, and Park (2023), “Bound by Ancestors: Immigration, Credit Frictions, and Global Supply Chain Formation”