Fundraising for public goods by private contributions is often undermined by free-riding. One prominent mechanism suggested to alleviate problem of free-riding is a fixed-prize lottery with winning probabilities proportional to individual contributions (Morgan, 2000; Morgan and Sefton, 2000). Yet,...

Extensive experimental research on public goods games documents that many subjects are “conditional cooperators” in that they positively correlate their contributions with (their belief about) contributions of other subjects in their group. The goal of our study is to shed light on what...

Does the type of post-auction feedback affect bidding behavior in first price auctions? Filiz-Ozbay and Ozbay (2007) find that such manipulation can increase bids in a one-shot auction. They explain this as an effect of anticipated regret combined with the assumption that feedback directly...

Economic theory presumes that individuals respond to true marginal prices when deciding on the amount of goods and services they buy and many other economic decisions. However, learning about these marginal prices is often costly in terms of search time, cognitive effort or monetary outlays....