# A Practical Guide to Shift-Share Instruments

“A Practical Guide to Shift-Share Instruments” (2025), by Kirill Borusyak et al. Economics research paper. Original abstract below, unchanged. A free PDF is available.

- Authors: Kirill Borusyak, Peter Hull, Xavier Jaravel
- Published: February 1, 2025
- Field: Economics
- DOI: https://doi.org/10.1257/jep.20231370
- Free PDF: https://researchonline.lse.ac.uk/id/eprint/127403/1/borusyak-et-al-2025-a-practical-guide-to-shift-share-instruments.pdf

## Abstract

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.

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