Dynamically Consistent Preferences with Quadratic Beliefs

This article characterizes a family of preference relations over uncertain prospects that (a) are dynamically consistent in the Machina sense and, moreover, for which the updated preferences are also members of this family and (b) can simultaneously accommodate Ellsberg- and Allais-type paradoxes.Replacing the "mixture independence" axiom by "mixture symmetry" proposed by Chew, Epstein, and Segal (1991) for decision making under objective risk, and requiring that for some partition of the state space the agent perceives ambiguity and so prefers a randomization over outcomes across that partition (proper uncertainty aversion), preferences can be represented by a (proper) quadratic functional. This representation may be further refined to allow a separation between the quantification of beliefs and risk preferences that is closed under dynamically consistent updating.     

The Pursuit of Postsecondary Education: A Comparison of First Nations,African, Asian,and European Canadian Youth*

Utilisant l'Enquête auprès des jeunes en transition (EJET), sondage longitudinal nationalement représentatif, l'auteur examine l'argument voulant que les résultats éducationnels inférieurs de diverses minorités visibles et d'immigrants seraient attribués à leurs désavantages socioéconomiques, tandis que les résultats supérieurs des autres minorités visibles auraient pour cause leur soutien culturel. Les analyses rapportent des inégalités non négligeables dans le parcours pédagogique des Premières nations, des minorités visibles et des immigrants. Cependant, ni leur emplacement structurel ni leurs attributs culturels (ni les deux ensemble) n'expliquent entièrement les différences de leur parcours pédagogique ni ne peuvent être réduits à un simple modèle dans lequel les désavantages structurels détermineraient les résultats inférieurs et les facteurs culturels les supérieurs. Using the nationally representative longitudinal Youth in Transition Survey, this paper examines the argument that inferior educational outcomes of various visible minorities and immigrants can be attributed to their socio‐economic disadvantages, while superior outcomes of other visible minorities is due to their cultural supports. The analyses document sizeable inequalities in educational pathways of First Nations, visible minorities, and immigrants. However, neither structural location nor cultural attributes (nor both in conjunction) totally account for differences in their educational pathways nor can they be reduced to a simple pattern whereby structural disadvantages account for inferior pathways and cultural factors for superior ones.     

LABOR CONTRACTS AND FLEXIBILITY: EVIDENCE FROM A LABOR MARKET REFORM IN SPAIN

This paper evaluates the effects of a labor market reform in Spain that removed restrictions on fixed‐term or temporary contracts. Our empirical results are based on longitudinal firm‐level data that cover observations before and after the reform. We posit and estimate a dynamic labor demand model with indefinite and fixed‐term labor contracts, and a general structure of labor adjustment costs. Experiments using the estimated model show important positive effects of the reform on total employment (i.e., a 3.5% increase) and job turnover. There is a strong substitution of permanent by temporary workers (i.e., a 10% decline in permanent employment). The effects on labor productivity and the value of firms are very small. In contrast, a counterfactual reform that halved all firing costs would produce the same employment increase as the actual reform, but much larger improvements in productivity and in the value of firms. (JEL J23, J32, J41)     

Dress colour at the court of Elizabeth I: an essay in historical anthropology

Cet article traite de la signification sémiotique et historique de la couleur des vêtements à la cour d'Elizabeth I. Nous émettons l'hypothèse que les couleurs opposées des deux groupes qui fréquentaient la cour servaient d'opérateurs, c'est-à-dire d'outil de définition de l'opposition entre les deux groupes et de mise en marche de changements historiques.
De façon plus générale, l'article présente une conception analytique rendant possible une interprétation anthropologique de l'histoire qui prend en compte et examine en même temps la structure et le changement. De manière plus générale encore, nous traitons du rôle de la culture comme agent historique et nous proposons une grille d'analyse pour aborder ce rôle.
This paper treats the semiotic and historical significance of dress colour at the court of Elizabeth I. It argues that the opposing dress colours of two groups at court served as an 'operator,' an instrument by which the opposition between the two groups was defined, and historical change set in train.
In more general terms the paper offers an analytic concept that permits the anthropological investigation of history in which both structure and change can be simultaneously entertained and examined. Still more generally the paper treats the role of culture as an historical agent, and proposes a way to take account of it.     

Religion,social milieu,and the contraceptive revolution

This study examines how the social environment of religious congregations affects the spread of contraceptive use in developing contexts, using Mozambique as a case study. Analysis of qualitative data collected in urban areas of that country in 1998-99 and of the data from the 1997 Mozambique Demographic and Health Survey suggests that, in urban areas, the environment of more socioculturally diverse and inclusive Roman Catholic and mission-based Protestant congregations is more propitious to the spread and legitimization of modern contraception than the milieu of smaller, relatively homogeneous, independent churches. In rural areas, however, sociocultural diversity within and across different religious denominations is minimal, and membership in any formal congregation offers an advantage in contraceptive learning.     

THE KNOWLEDGE PRODUCTION FUNCTION FOR UNIVERSITY PATENTING

We estimate a knowledge production function for university patenting using an individual effects negative binomial model. We control for Research and Development expenditures, research field, and the presence of a Technology Transfer Office. We distinguish between three kinds of researchers: faculty, postdoctoral scholars (postdocs), and PhD students. For the latter two, we also distinguish by visa status. We find patent counts to relate positively and significantly to the number of PhD students and number of postdocs. Our results also suggest that not all graduate students and postdocs contribute equally to patenting but that contribution is mediated by citizenship and visa status. (JEL C25, O31, O32, O34, O38)     

Appalachian Women’s Use of Substance Abuse Treatment: Examining the Behavioral Model for Vulnerable Populations

The Gelberg–Andersen Behavioral Model for Vulnerable Populations was applied to understand vulnerable Appalachian women’s (N = 400) utilization of addiction treatment. A secondary data analysis included multiple multivariate analyses. The strongest correlates of treatment utilization included ever injecting drugs (OR = 2.77), limited availability of substance abuse treatment facilities (OR = 2.03), and invalidated violence abuse claims (OR = 2.12). This study contributes theory-driven research to the greater social work addiction literature by confirming that vulnerable domains related to substance abuse treatment utilization warrant unique considerations compared to nonvulnerable domains. Findings also highlight the importance of understanding the unique role that cultural factors play in treatment utilization among Appalachian women. Inferences relevant to clinicians and policymakers are discussed.