The hedonic model of Rosen (1974) has become a workhorse for valuing the characteristics of differentiated products despite a number of well-documented econometric problems, including a source of endogeneity that has proven difficult to overcome. Here we outline a simple, likelihood-based...

The hedonics literature has often asserted that if one were able to observe the same individual make multiple purchase decisions, one could recover rich estimates of preferences for a given amenity. In particular, in the face of a changing price schedule, observing each individual twice is...