We collect and analyse data on church collections to assess whether the introduction of Euro notes and coins had real effects on giving. Data for Italy suggests that money is not completely neutral while Irish data suggests a lower degree of money illusion.

We consider auctions where bidders care about the reputational effects of their bidding and argue that the amount of information that is disclosed at the end of the auction will influence bidding. Our analysis focuses on several bid disclosure rules that capture all of the realistic cases. We...