Is Experimentation Invariant to Group Size? A Laboratory Analysis of Innovation Contests

Stanton Hudja

Journal of Behavioral and Experimental Economics (formerly The Journal of Socio-Economics), 2021, vol. 91, issue C

Abstract: This paper uses a laboratory experiment to investigate the role of group size in an innovation contest. Subjects compete in a discrete time innovation contest, based on Halac, Kartik, and Liu (2017), where subjects, at the start of each period, are informed of the aggregate number of innovation attempts. I compare two innovation contests, a two-person and four-person contest, that only differ by contest size and have the same probability of obtaining an innovation in equilibrium. The four-person contest results in more innovations and induces more aggregate innovation attempts than the two-person contest. However, there is some evidence that the two-person contest induces more innovation attempts from an individual than the four-person contest.

Keywords: Innovation Contests; Group Size; Bandits; Laboratory Experiments (search for similar items in EconPapers)
JEL-codes: C72 C91 D72 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:soceco:v:91:y:2021:i:c:s2214804320307035

DOI: 10.1016/j.socec.2020.101660

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