Limitations to Signaling Trust with All or Nothing Investments
11 Pages Posted: 10 Oct 2013 Last revised: 24 Nov 2013
Date Written: October 8, 2013
Many economic interactions are characterized by “all or nothing” action spaces that may limit a demonstrable index of trust and, therefore, the propensity to reciprocate. In two experimental trust games, the action space governing investments was manipulated to examine the effects on investments and reciprocity. In the continuous game the investor could invest any amount between $0 and $10, while in the binary game the investor could invest either $0 or $10. In both games, the trustee received the tripled investment and then could return any amount back to the investor. Investors invested significantly more in the binary game than in the continuous game. However, higher investments in the binary game did not lead to more reciprocity. To the contrary, conditional on investment of $10, on average trustees returned significantly less in the binary game than in the continuous game.
Keywords: trust game, signaling, demonstrable index of trust, reciprocity, experiments
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