A Practical Guide to Shift-Share Instruments
Working Paper 33236
DOI 10.3386/w33236
Issue Date
A recent econometric literature shows two distinct paths for identification with shift-share instruments, leveraging either many exogenous shifts or exogenous shares. We present the core logic of both paths and practical takeaways via simple checklists. A variety of empirical settings illustrate key points.
Published Versions
Kirill Borusyak & Peter Hull & Xavier Jaravel, 2025. "A Practical Guide to Shift-Share Instruments," Journal of Economic Perspectives, vol 39(1), pages 181-204.