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How Research Affects Policy: Experimental Evidence from 2,150 Brazilian Municipalities

Author

Listed:
  • Jonas Hjort
  • Diana Moreira
  • Gautam Rao
  • Juan Francisco Santini

Abstract

Can research findings change political leaders' beliefs and policies? We use experiments with 2,150 Brazilian municipalities to measure mayors' demand for and response to research information. In one experiment, we find that mayors are willing to pay to learn the results of evaluation studies, and update their beliefs when informed of the findings. They value larger-sample studies more, while not distinguishing between studies in rich and poor countries. In a second experiment, we find that informing mayors about research on a simple and effective policy, taxpayer reminder letters, increases the probability the policy is implemented by 10 percentage points.

Suggested Citation

  • Jonas Hjort & Diana Moreira & Gautam Rao & Juan Francisco Santini, 2021. "How Research Affects Policy: Experimental Evidence from 2,150 Brazilian Municipalities," American Economic Review, American Economic Association, vol. 111(5), pages 1442-1480, May.
    • Handle: RePEc:aea:aecrev:v:111:y:2021:i:5:p:1442-80
    DOI: 10.1257/aer.20190830
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    More about this item

    JEL classification:

    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior
    • D78 - Microeconomics - - Analysis of Collective Decision-Making - - - Positive Analysis of Policy Formulation and Implementation
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • O17 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Formal and Informal Sectors; Shadow Economy; Institutional Arrangements
    • O18 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Urban, Rural, Regional, and Transportation Analysis; Housing; Infrastructure

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