In a social network, agents have their own reference group that may influence their behavior. In turn, the agents' attributes and their behavior affect the formation and the structure of the social network. We survey the econometric literature on both aspects of social networks and discuss the...

We analyse how physicians respond to contractual changes and incentives within a multitasking environment. In 1999 the Quebec government (Canada) introduced an optional mixed compensation system, combining a fixed per diem with a discounted (relative to the traditional fee-for-service system)...

We provide a theoretical and empirical framework for evaluating the effects of policy reforms on physician labor supply. We argue that any policy evaluation must account for both the quality and the quantity of services provided. The introduction of quality into the analysis has implications for...

We provide new results regarding the identification of peer effects. We consider an extended version of the linear-in-means model where each individual has his own specific reference group. Interactions are thus structured through a social network. We assume that correlated unobservables are...

This article draws up a portrait of effective marginal tax rates (EMTRs) on labour income in Quebec. It aims at allowing a better understanding of the impact of tax policy on the behavior of economic agents. Using an accounting microsimulation model that reproduces the system of taxes and...

Children are seldom accounted for in household behavioural models. They are usually assumed to have neither the capacity nor the power to influence the household decision process. The literature on collective models has so far incorporated children through the "caring preferences" of their...

We provide the first empirical application of a new approach proposed by Lee (2007) to estimate peer effects in a linear-in-means model. This approach allows to control for group-level unobservable and to solve the reflection problem. We investigate peer effects in student achievement in...

In this text, the underground economy is presented as a natural reaction of consumers and producers to the constraints and costs imposed by the government on exchanges. We provide a definition of the underground economy and discuss the causes and consequences of this phenomenon. We also present...

Cet article dresse un portrait de la situation des taux marginaux effectifs d'imposition (TMEI) sur le revenu de travail au Québec. Il vise à permettre une meilleure compréhension de l'impact des politiques gouvernementales sur le comportement des agents économiques. À l'aide d'un modèle...

Récemment, un nouveau cadre théorique d'analyse s'est développé dans le but d'analyser les comportements des ménages avec deux conjoints. Cette approche, qualifiée de modèle collectif, suppose que chaque conjoint a des préférences individuelles et que les choix du ménage sont...