Are you experienced? How the time spacing of traders' market experience impacts bubble formation in experimental asset markets

Jason Scachat and Hang Wang

Chapter 21 in Handbook of Experimental Finance, 2022, pp 267-280 from Edward Elgar Publishing

Abstract: We demonstrate when market experience is spaced out over a longer period of time (weeks instead of minutes), the increase in pricing efficiency is very small - if at all - for the same population of traders. However pricing efficiency gains are substantial for a situation involving new trader cohorts and a new asset. This is demonstrated via controlled laboratory experiments which implement a setting that commonly leads to the formulation of pricing bubbles. In our first study, we compare massed cohorts who complete a sequence of three markets in a single experimental session, and spacing cohorts whose sequence of three markets are spaced a week apart. Massed cohorts do not generate larger bubbles than spaced cohorts in the first two markets, and there is weak evidence that they do in the third market. In contrast we find in an exploratory study, experience gained through spaced repetitions rather than massed repetitions generates smaller bubbles when subjects are recruited to new cohorts and participate in a market for a different asset.

Keywords: Economics and Finance (search for similar items in EconPapers)
Date: 2022
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