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Do Markets Drive Out Lemmings—or Vice Versa?

In: Experiments in Economics Decision Making and Markets

Author

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  • JOHN D. HEY
  • ANDREA MORONE

Abstract

This paper investigates experimentally a market inspired by two strands of literature: on herd behaviour in non-market situations, and on the aggregation of private information in markets. The first strand suggests that socially undesirable herd behaviour may result when information is private; the second suggests that in a market context the price mechanism may cause the private information to be aggregated correctly and efficiently. This latter therefore suggests that socially undesirable behaviour may be eliminated through the market. We test this experimentally, and find that socially undesirable behaviour may result: the market is misled by agents privately optimizing.

Suggested Citation

  • John D. Hey & Andrea Morone, 2018. "Do Markets Drive Out Lemmings—or Vice Versa?," World Scientific Book Chapters, in: Experiments in Economics Decision Making and Markets, chapter 21, pages 467-489, World Scientific Publishing Co. Pte. Ltd..
    • Handle: RePEc:wsi:wschap:9789813235816_0021
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    More about this item

    Keywords

    Experimental Economics; Risk; Ambiguity; Markets; Auctions; Bargaining; Econometrics; Methodology;
    All these keywords.

    JEL classification:

    • C90 - Mathematical and Quantitative Methods - - Design of Experiments - - - General

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