Katrina in historical context: environment and migration in the U.S.

The massive publicity surrounding the exodus of residents from New Orleans spurred by Hurricane Katrina has encouraged interest in the ways that past migration in the U.S. has been shaped by environmental factors. So has Timothy Egan’s exciting book, The Worst Hard Time: The Untold Story of those who survived the Great American Dust Bowl. This article places those dramatic stories into a much less exciting context, demonstrating that the kinds of environmental factors exemplified by Katrina and the Dust Bowl are dwarfed in importance and frequency by the other ways that environment has both impeded and assisted the forces of migration. We accomplish this goal by enumerating four types of environmental influence on migration in the U.S.: (1) environmental calamities, including floods, hurricanes, earthquakes, and tornadoes, (2) environmental hardships and their obverse, short-term environmental benefits, including both drought and short periods of favorable weather, (3) environmental amenities, including warmth, sun, and proximity to water or mountains, and (4) environmental barriers and their management, including heat, air conditioning, flood control, drainage, and irrigation. In U.S. history, all four of these have driven migration flows in one direction or another. Placing Katrina into this historical context is an important task, both because the environmental calamities of which Katrina is an example are relatively rare and have not had a wide impact, and because focusing on them defers interest from the other kinds of environmental impacts, whose effect on migration may have been stronger and more persistent, though less dramatic.     

Effort Observability,Incentive Systems,and Organizational Forms

This paper analyses the choice between a centralized and a decentralized organizational structure focusing on the relationship existing between the allocation of decision rights, the degree of observability of effort and the use of different compensation systems. Profitable production is realized thanks to good information being available during the project selection stage and hard work being performed in the implementation stage. Selection of projects may be made by the principal (hierarchy) or by the agent (delegation). Under the hierarchical system, the principal's participation in the design of projects allows her to gather useful information for the design of a more accurate compensation system. Therefore, we analyse the trade‐off between optimal use of available information and accuracy of incentive systems, which emerges in the choice of organizational form.     

A network analysis of student mobility patterns from high school to master’s

Human migration involves the movement of people from one place to another. An example of undirected migration is Italian student mobility where students move from the South to the Center-North. This kind of mobility has become of general interest, and this work explores student mobility from Sicily towards universities outside the island. The data used in this paper regards six cohorts of students, from 2008/09 to 2013/14. In particular, our goal is to study the 3-step migration path: the area of origin (Sicilian provinces), the regional university for the bachelor’s degree, and the regional university for the master’s. Our analysis is conducted by building a multipartite network with four sets of nodes: students; Sicilian provinces; bachelor region of studies; and the master region of studies. By projecting the students’ set onto the others, we obtain a tripartite network where the number of students represents the link weight. Results show that the big Sicilian cities—Palermo, Catania, and Messina—have different preferential paths compared to small Sicilian cities. Furthermore, the results reveal preferential paths of 3-step mobility that only, in part, reflect a south-north orientation in the transition from the region of study for the bachelor degree to that for the master’s.

     

Portability of Supplementary Pension Rights in the European Union

European Union (EU) legislation on portability of supplementary pension rights accrued by private-sector migrant workers is at an early stage. The recent directive on this topic, aiming to preserve accrued pension rights at least at the level guaranteed in the case of within-borders mobility, emphasizes the role of country-specific legislation on pension portability issues. This paper analyses EU as well as national pension portability regulation for a representative sample of EU countries, in the light of recent empirical evidence outlining the role of occupational pensions in individual job mobility choices in these countries.     

Statistics and the Single Market

Abstract. At the end of 1992customs barriers will fall and the European Internal Market will be realized, as envisaged by the Single European Act signed in 1986 by the EEC's member countries. Statistical Offices are preparing to meet the new information requirements from all the economic and social forces of the new Europe. EUROSTAT planned a politically endorsed statistical programme and established the European Statistical Planning Committee, enlarging the tasks of the Conference of the Heads of National Statistical Institutes. Each National Statistical Institute is urgently required to improve the comparability of statistics and implement the harmonised projects of the European Statistical Programme. Official statistics will conform to the new requirements in order to supply the business world, national governments, the EEC authorities and public opinion with up-to-date information to face a wider, more open and competitive market. The business world will focus its attention on information on the flows by sectors and very small areas. Statistics on intra-community foreign trades will shift from customs bills to new tools more directly assigned to national statistical bodies. National governments and EEC countries will need more information on population behaviour as to employment, consumptions, use of leisure time, fruition of public facilities, and social security, as well as more precise estimates of GDP, now the basic contribution to EEC budget. Citizens and public opinion will ask for timely information on migrations, social mobility, income distribution. Demographic projections show the European population is progressively ageing, unemployment is bound to decrease and women are going to be more present within society and the labour market. Information on the home care of elderly people. health, environment, crime prevention and the status of women in general will have to be supplied. Presently Statistics Offices have greater experience in two essential domains: conceptual frameworks and the techniques for conceptual statistical representation of the investigated events. Moreover, the improving of computer technology will provide substantial help to survey methodologies and data processing.     

Social Confidence in Unions: A U.S.‐Canada Comparison

Cet article examine l’évolution des niveaux de confiance sociale envers les organisations syndicales au Canada et aux États‐Unis entre 1982 et 2006 en s'appuyant sur les données de la World Value Survey (WVS). Partant du constat que ces taux de confiance sont relativement similaires au sein de ces deux pays, nous appliquons un modèle de régression logistique sur les deux vagues de données les plus récentes du WVS (soit celle de 2000 et 2006) afin de mieux comprendre la propension des individus à faire confiance aux syndicats dans chaque contexte national en fonction de certaines de leurs caractéristiques sociales et politiques. Les résultats montrent des similitudes entre les deux pays (par exemple, les citoyens les plus progressistes et les plus jeunes ont généralement une plus grande confiance envers les syndicats), mais également des distinctions importantes (à titre d'exemple, seul au Canada les individus répondant à un profil de “classe ouvrière” manifestent une plus grande confiance envers les syndicats). This article examines changes in levels of social confidence in unions in Canada and the United States between 1982 and 2006 based on an analysis of the World Value Survey (WVS) data set. It considers why confidence rates are similar in the two countries, applying a logistic regression model to the two most recent WVS waves (i.e., 2000 and 2006) so as to bring out the effects of political and social differences on the propensity of individuals to trust unions in each national context. The results show similarities between the two countries (e.g., more progressive and younger citizens generally have greater confidence in unions), but also important distinctions (e.g., only in Canada do individuals with a working class profile appear to have greater confidence in unions).     

Body Weight,Eating Patterns,and Physical Activity: The Role of Education

In this article, we empirically study the role of education attainment on individual body mass index (BMI), eating patterns, and physical activity. We allow for endogeneity of schooling choices for females and males in a mean and quantile instrumental variables framework. We find that completion of lower secondary education has a significant positive impact on reduction of individual BMI, containment of calorie consumption, and promotion of physical activity. Interestingly, these effects are heterogeneous across genders and distributions. In particular, for BMI and calorie expenditure, the effect of education is significant for females and is more pronounced for women with high body mass and low physical activity. On the other hand, the effect of education on eating patterns is significant mainly for males, being more beneficial for men with elevated calorie consumption. We also show that education attainment is likely to foster productive and allocative efficiency of individuals in the context of BMI formation. Given that the literature suggests that education fosters development of cognition, self-control, and a variety of skills and abilities, in our context it is thus likely to promote lifetime preferences and means of individuals, which in turn enable them to achieve better health outcomes. Education also provides exposure to physical education and to school subjects enhancing individual deliberative skills, which are important factors shaping calorie expenditure and intake. Finally, we show that in the presence of strong socioeconomic inequalities in BMI, education is likely to have a pronounced impact on healthy BMI for the disadvantaged groups, represented in our framework by females.     

EVALUATING PENSION PORTABILITY REFORMS: THE TAX REFORM ACT OF 1986 AS A NATURAL EXPERIMENT ABSTRACT

This article exploits a change in the vesting rules for employer‐sponsored pension plans introduced by the Tax Reform Act of 1986 to identify the causal effect of pension portability legislation on workers' voluntary mobility decisions. We pool data from different years of the Survey of Income and Program Participation to estimate the impact of this reform using difference‐in‐differences methods. Our results suggest that the reform had a positive and significant impact on voluntary job mobility of the treatment group. (JEL J24, J44, J62, J63, J68)     

Nash Bargaining Theory,Nonconvex Problems and Social Welfare Orderings

In this paper we deal with the extension of Nash bargaining theory to nonconvex problems. By focussing on the Social Welfare Ordering associated with a bargaining solution, we characterize the symmetric Nash Bargaining Solution (NBS). Moreover, we obtain a unified method of proof of recent characterization results for the asymmetric single-valued NBS and the symmetric multivalued NBS, as well as their extensions to different domains.     

An Attitude Model of Environmental Action: Evidence from Developing and Developed Countries

Social Indicators Research - This paper analyzes the determinants of stated individual support towards environmental action. The analysis is realized by means of an original Partial Least Squares...