Safety nets may reduce incentives to mitigate risks, and adversely affect people’s behavior. We model the safety net problem as a social dilemma game involving moral hazard, risk taking and limited liability. Individuals take costly measures to avoid a likely loss which, if incurred, is...

This paper studies whether collusion occurs in three-bidder three-object second-price hard-close auctions. The experimental results of two laboratory treatments are reported. The first one, the anonymity treatment,involves subject groups which can trace decisions to the bidder under conditions...

Margin requirements are being used to regulate the risks of leveraged positions in financial markets. Violated margin requirements trigger margin calls that lead to automated liquidation of open margin positions. Under controlled laboratory conditions we consider the effect of margin trading...