Bernard Fortin

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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 either absent, or treated as fixed effects at the component level.(More)
Are Children Decision-Makers Within the Household? 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 parents or has(More)
Ce document est publié dans l'intention de rendre accessibles les résultats préliminaires de la recherche effectuée au CIRANO, afin de susciter des échanges et des suggestions. Les idées et les opinions émises sont sous l'unique responsabilité des auteurs, et ne représentent pas nécessairement les positions du CIRANO ou de ses partenaires. This paper(More)
PURPOSE To compare, in a retrospective study, the toxicity and efficacy of simultaneous integrated boost using intensity-modulated radiotherapy (IMRT) vs. conventional radiotherapy (CRT) in patients treated with concomitant carboplatin and 5-fluorouracil for locally advanced oropharyngeal cancer. METHODS AND MATERIALS Between January 2000 and December(More)
Anxiety is a major issue in the cancer patient population. This randomized phase III trial evaluated the effects of massage therapy on anxiety levels in patients undergoing radiation therapy. Patients undergoing radiation therapy were randomly assigned to either 10 massage sessions or control sessions. Anxiety levels were evaluated throughout the course of(More)
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 (MC) system, combining a fixed per diem with a partial (relative to the traditional fee-for-service (FFS) system) fee for services provided. We combine panel survey and(More)
Collective Female Labour Supply: Theory and Application In this paper, we deal with female labour supply in the collective framework. We study married couples and start from the empirical observation that the husband’s labour supply is generally fixed at full-time. We then show that, in this case, structural elements of the decision process, such as(More)
In this note we develop a simple heterogeneous-agent model with incomplete markets to explain the prevalence of a large, low-productivity, informal sector in developing countries. In our model, taxes levied on formal sector agents are used to finance the provision of a productive public infrastructure, which creates a productivity premium from(More)
Is the Collective Model of Labor Supply Useful for Tax Policy Analysis? A Simulation Exercise The literature on household behavior contains hardly any empirical research on the withinhousehold distributional effect of tax-benefit policies. We simulate this effect in the framework of a collective model of labor supply when shifting from a joint to an(More)