We design a multi-unit descending-price (Dutch) auction mechanism that has applications for resource allocation and pricing problems. We address specific auction design choices by theoretically and experimentally determining optimal information disclosure along two dimensions. Bidders are either informed of the number of bidders in the auction, or know that it is one of two possible sizes; they also either know the number of units remaining for sale or are unaware of how many units have been taken by other bidders. We find that revealing group size decreases bids, and therefore revenue, if units remaining are not shown. When group size is unknown the price also falls if the number of units remaining is revealed. The most efficient and largest revenue outcome occurs when bidders are not provided information on either group size or units remaining. These laboratory results conform to some directional predictions from our theory, although overbidding is common.
We investigate the degree to which people in a shopping mall express other‐regarding behavior in the dictator game. Whereas many studies have attempted to increase the social distance between the dictator and experimenter and between the dictator and recipient, we attempt to minimize that social distance between random strangers by video recording the decisions, with the permission of the dictators, to display their image on the Internet. Offers made by dictators are high, relative to other experiments, and a nontrivial number give the entire experimental windfall away. However, a nontrivial number of people keep everything as well.
Many economies exhibit downward wage rigidity. Surveys of managers indicate that employers hold wages rigid because they believe morale will su↵er after a wage cut. Otherwise, there is little evidence for how employers' beliefs contribute to wage rigidity and whether those beliefs are accurate. Our design allows us to compare beliefs and e↵ort rigorously. We demonstrate that e↵ort falls after workers experience a wage cut and also that workers form reference points from wage contracts. Despite this partial confirmation of the morale theory as an explanation for wage rigidity, half of the employers in our experiment cut wages and lose money as a result. In a treatment where a recession is o↵set by nominal inflation, real wage cuts do not have a significant e↵ect on e↵ort.
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