The nutrition transition and agricultural transformation: a Preston curve approach

The nutrition transition in diets and health is closely tied to other aspects of economic development, including agricultural transformation and urbanization as well as demographic change and epidemiological transition from infectious to noncommunicable disease. Over time, dietary patterns typically shift from widespread inadequacy of many foods and nutrients, especially for children and mothers, into surplus energy intake and rising obesity with continued inadequacy of healthier foods. Diet‐related diseases remain the largest single cause of premature death and disability in all regions. This article combines food availability and dietary intake data from more than 100 countries over 30 years with a wide range of other evidence to characterize the nutrition transition and its association with changes in agricultural production and the food environment, asking how future dietary patterns might be steered toward healthier outcomes as national incomes grow.     

Wage Posting in Two-Sided Search and the Minimum Wage

This article focuses on wage formation in an equilibrium (two-sided) model of search with match-specific heterogeneity. Despite a large number (a continuum) of employers, search provides sufficient isolation to generate market power. By posting wages, employers, without collusion, capture most of the surplus that accrues to any match. The equilibrium wage is below that which maximizes employment. An example, using calibrated parameter values, is used to reconcile some recent, otherwise contradictory empirical results on the employment effects of minimum wage adjustments.     

Retraining the Unemployed in a Model of Equilibrium Employment

An equilibrium model of search and matching is developed to analyse the effects of retraining the unemployed on the market for skilled (or semi-skilled) workers. Versions of the model with free entry of vacancies and fixed numbers of jobs are considered. The latter environment exhibits multiple equilibria. While subsidized training (and enforced participation) is justified on employment grounds, it cannot be justified on efficiency grounds. Policies that, ceteris paribus , lower unemployment, also reduce the incentive to train. When such policies are introduced to a training economy, training may cease and unemployment can rise.     

Deciding to recruit only donors with high lifetime values

This paper argues that it is important to choose the right donors to recruit, in order to boost average lifetime donation values. This choice needs to be made by making decisions, before donor recruitment, based on data that are available in the market. A case history is shown, based on a group of charities asking for cash donations, to demonstrate how such decisions may be reached. Finally, there is a discussion about implications for direct mail, other recruitment media, and for charities' fundraising organisations.Copyright © 2000 Henry Stewart Publications.     

Property rights, production technology, and deforestation: cocoa in Cameroon

In this article, we use a vintage‐capital model with risk of eviction to assess cocoa farmers' response to changes in their tenure security and to the introduction of a new, faster‐maturing cocoa variety. The model is calibrated with data from Cameroon in calendar year 2000, and then used to simulate the effects of institutional and technical change on farmer welfare and deforestation rates. Our findings can be summarized in three points. First, improved tenure security over cocoa fields increases farmers' consumption and welfare, but at the expense of more deforestation. Second, the introduction of new cocoa varieties with faster maturity and higher input response also unambiguously raises farmers' consumption and welfare. Doing so increases deforestation under insecure land tenure, but slows down deforestation under secure land tenure. Third, when introducing the two innovations together (more security and also new varieties), there is both an increase in welfare and a decline in deforestation. In sum, the availability of new cocoa cultivars calls for stronger tenure security, to accommodate investment in the new technology without increasing deforestation.     

The Finances of Major U.S. Unions

Financial resources have a significant impact on labor's current attempt to reassert itself. We examine the total assets, net worth, and income of unions in (1) a cross-sectional analysis of the distribution of financial resources across national, intermediate, and local levels of unions and (2) a longitudinal analysis of trends in a variety of financial measures. We observe considerable decentralization of financial resources across levels, substantial concentration of resources, and differences across and within union sectors. These results are discussed with regard to current merger activity.     

The State of Public Sector Unionism: Challenges and Opportunities

The face of unionism in the United States is becoming increasingly public sector. On the surface, public sector unionism appears as a bright spot for labor. A more careful examination of the data, however, reveals that such unionism is at a standstill. Absolute growth has been insufficient to offset losses in private industry, and it is largely tied to increases in public employment. Public employee unions face numerous serious challenges, and questions have been raised in the federal service about the very legitimacy of union representation. Future scenarios suggest that public sector unionism as a whole will likely remain in a more or less stagnant position.