An Empirical Examination of Quality Certification in a "Lemons Market"

This article examines the effect third-party certification has on a market characterized by adverse selection. Using an original data set from the market for young thoroughbreds, we show that certification alleviates problems of adverse selection by examining the effect certification has on breeder decisions to retain or sell horses and the effect these decisions have on observed prices. Data on the racetrack performance of the horses confirm the results.     

Adoption of children with developmental disabilities.

United Methodist Family Services of Virginia placed 41 developmentally disabled children in adoptive homes between August 1985 and June 1988, representing a range of chronic emotional, intellectual, and physical disabilities. This article describes the need for specialized adoption programs for children with developmental disabilities and the methods used in placing these children. The obstacles to adoption of children with developmental disabilities are also discussed.     

Minimum-wage increases and employment in franchised fast-food restaurants

Card and Krueger’s (1994) result that employment is unaffected by an increase in the minimum wage in the franchised fast-food restaurant industry appears to be inconsistent with conventional economic analysis. I take a closer look at the franchised fast-food industry and argue that the presence of brand-name capital does not allow franchisees to substitute away from labor or decrease the level of services provided to customers — employment levels in franchised fast-food restaurants are closely tied to sales.     

Kommunikation in E-Learning-Veranstaltungen. Erfahrungen der Studierenden und ihre Präferenzen für Online- oder Face-to-Face-Kommunikation

Altogether, 2,196 students from 29 Austrian universities took part in an empirical investigation on learning and communication in e-learning courses. The students completed a questionnaire on their experiences in an actual e-learning course, on their perceived learning achievements, and their enjoyment of the course. Furthermore, they expressed their preferences for online or face-to-face communication. All in all, students were satisfied with their course. They did not prefer one communication setting over another. They preferred online-communication for the distribution of information but advocated face-to-face communication when joint learning and cooperation are important or when socio-emotional relations are to be developed. The results of the study advocate blended-learning designs and give recommendations for which communication purposes online and for which face-to-face settings are more adequate.     

The minimum wage and productivity differentials

A firm’s ability to adjust its production process to economize on low-skilled labor when faced with a minimum wage increase will differ greatly depending on industry or occupation. For example, more capital-intensive means of cleaning hotel rooms or serving customers at restaurants may not be readily available without degrading service quality. In such situations, the productivity of labor is essentially capped, and firms have few options when the minimum wage increases. This simple observation has implications for studies that rely on microdata to examine the effects of minimum wage increases. If firms only increase prices in response to a minimum wage increase, employment effects are likely small. If the goal of the minimum wage is to redistribute income from firms and consumers to workers, minimum-wage increases targeted at industries and occupations where such rigidities result in an inelastic demand for labor may achieve the desired goal at a lower cost than across-the-board increases. However, such a scheme causes an inefficient allocation of labor and would be subjected to substantial political pressures that may lead to anomalous results. Additionally, it is unreasonable to conclude that policy makers have the necessary information to skillfully set the minimum wage. I thank Brian E. Chezum and Jeff Waddoups for helpful comments. All mistakes, of course, are my own.     

Methodological nationalism and beyond: nation–state building,migration and the social sciences

Methodological nationalism is understood as the assumption that the nation/state/society is the natural social and political form of the modern world. We distinguish three modes of methodological nationalism that have characterized mainstream social science, and then show how these have influenced research on migration. We discover parallels between nationalist thinking and the conceptualization of migration in postwar social sciences. In a historical tour d’horizon, we show that this mainstream concept has developed in close interaction with nation–state building processes in the West and the role that immigration and integration policies have played within them. The shift towards a study of ‘transnational communities’— the last phase in this process — was more a consequence of an epistemic move away from methodological nationalism than of the appearance of new objects of observation. The article concludes by recommending new concepts for analysis that, on the one hand, are not coloured by methodological nationalism and, on the other hand, go beyond the fluidism of much contemporary social theory.