This paper studies the existence of an diverging trend between the French Consumer Price Index and the cost of living, by an intertemporal comparison of food Engel curves. We use the methodology developed by Costa (2001) and Hamilton (2001). CPI bias estimates are derived from the gap between...

Using nonparametric estimation techniques adapted from Guerre et al. [2000], we infer cost distributions and informational rents, from 666 snow removal contracts offered for tender by the City of Montreal. Our results are compatible with standard received theory of competitive auctions: there is...

In this work we study the effect of several covariates X on a censored response variable T with unknown probability distribution. A semiparametric model is proposed to consider situations where the functional form of the effect of one or more covariates is unknown. We provide its estimation...