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A Practical Guide to Shift-Share Instruments

Author

Listed:
  • Kirill Borusyak
  • Peter Hull
  • Xavier Jaravel

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.

Suggested Citation

  • Kirill Borusyak & Peter Hull & Xavier Jaravel, 2024. "A Practical Guide to Shift-Share Instruments," NBER Working Papers 33236, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:33236
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    More about this item

    JEL classification:

    • C18 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Methodolical Issues: General
    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
    • C26 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Instrumental Variables (IV) Estimation
    • F16 - International Economics - - Trade - - - Trade and Labor Market Interactions
    • J21 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Labor Force and Employment, Size, and Structure
    • J61 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Geographic Labor Mobility; Immigrant Workers

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