Trading Institutions in Experimental Asset Markets: Theory and Evidence
40 Pages Posted: 23 Nov 2021
Date Written: November 20, 2021
We report the results of an experiment designed to study the role of trading institutions in the formation of bubbles and crashes in laboratory asset markets. We employ three trading institutions: Call Market, Double Auction, and T\^atonnement. The results show that bubbles are significantly smaller in uniform-price institutions than in Double Auction.
We reproduce this and other critical patterns of the data by calibrating a heterogeneous agent model with fundamental and myopic-noise traders. The model produces larger bubbles under Double Auction because multiple trades occur within a period, amplifying the impact of myopic traders with positive bias on transaction prices.
Keywords: Experimental Asset Markets, Bubbles, Traders' Heterogeneity, Trading Institutions
JEL Classification: C90, C91, D03, G02, G12
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