This study uses a door-to-door fundraising field experiment to examine the impact of different payment options on charitable giving. Households are randomly divided into three treatments, distinguished by the possibility for respondents to donate cash, by debit card, or both. I find that due to...

There are two important reasons for consumers to spend gift certificates differently than gifts in cash or non-gift income: a) they are forced to change their shopping pattern because of the conditions imposed by the issuer of the certificates, or b) they purposely separate gift certificates...

In the Dutch Postcode Lottery a postal code (19 households on average) is randomly selected weekly, and prizes –consisting of cash and a new BMW-- are awarded to lottery participants living in that postal code. On average, this generates a temporary, unexpected income shock equal to about...

Where markets are insufficiently competitive, governments can intervene by auctioning licenses to operate or by forcing divestitures. The Dutch government has done exactly that, organizing auctions to redistribute tenancy rights for high- way gasoline stations and forcing the divestiture of...

Empirical studies of labor markets show that social contacts are an important source of job-related information [Ioannides and Loury (2004)]. At the same time, wage differences among workers may be explained only in part by differences in individual background characteristics. Such findings...

In a door-to-door fundraising field experiment, we study the impact of fundraising mechanisms on charitable giving. We approached about 4500 households, each participating in either an all-pay auction, a lottery, a non-anonymous voluntary contribution mechanism (VCM), or an anonymous VCM. In...

This paper extends Hotelling's model of price competition with quadratic transportation costs from a line to graphs. I propose an algorithm to calculate firm-level demand for any given graph, conditional on prices and firm locations. One feature of graph models of price competition is that...