Players from two populations, predictors and predictees, are randomly matched in a game--theoretic version of Newcomb's Problem. Predictors are able to predict the predictees' choices by observing their type. There are two types of predictees, those who take their predictability into account by...

The churches in Germany are analyzed as multiproduct firms. Even though these enterprises raise their revenues in part through the tax system, they find themselves in a crisis: the number of customers is persistently decreasing. Starting with the idea that salvation is a scarce economic good,...