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A study was conducted to address the problem of reliance on samples of married couples by exploiting a longitudinal data file from the Swedish population. Using data from spouses' single years, the correlation methodology was applied to their earnings.

This paper addresses the impact of active labor market programs on interregional migration in Sweden. The purpose of the study is to determine the extent to which the programs, which provide training and labor market assistance to jobless individuals, induce participants to migrate. Analysis is based on data registers compiled in 1994 and 1995 by Statistics Sweden and the Labor Market Board of Sweden, The paper specifies and estimates a two-expiation model of participation and subsequent migration. The model, which is estimated by the method of maximum simulated likelihood, accounts for the role of program participation as an endogenous choice variable in the decision to migrate. In an attempt to capture the effect of migrant self selection, the estimation approach also controls for unobserved heterogeneity in the participation and migration equations. Results of the study indicate a significant positive impact of participation on subsequent mobility for males. This result is robust with respect to alternative specifications of the migration equation and alternative formulations of the model for program participation. For females, the evidence of program impacts is mixed and it appears to be sensitive to the statistical formulation of the model. (JEL J38, J61), I. INTRODUCTION This paper addresses the impact of participation in Active Labor Market Programs (ALMPs) on migration in Sweden. its purpose is to determine the extent to which programs that [...]

To purchase or authenticate to the full-text of this article, please visit this link: http://dx.doi.org/10.1111/j.1467-9787.2008.00576.x Byline: Robert A. Nakosteen (1), Olle Westerlund (2), Michael Zimmer (3) Abstract: ABSTRACT. Research in regional and labor economics has established that economic incentives play a significant role in the process of internal migration. The most common approach is to view migration as a form of human capital investment undertaken by individuals who expect to benefit from the standpoint of increased earnings. One of the central concepts in these models is self-selection. Individuals who self-select the option of migration tend to differ from the nonmigrant population in ways that are not measured in most data sets. The contribution of this paper is in its distinction between two aspects of migrant selection. On one hand, some workers possess unmeasured traits that might simultaneously affect their wages and their propensity to engage in risky human capital investment such as migration. On the other hand, measured earnings might exert a direct effect on migration. Based on samples of employed Swedish males and females at two points in time, this study seeks first to examine whether migration between the two periods occurs in the presence of correlation between unmeasured factors present in both earnings during the first period and the subsequent decision to migrate. Second, it looks for an explicit role of earnings per se in the migration decision. Results of the study provide support for selection based on unmeasured traits for both genders. For females, there is also evidence of selection based on measured earnings. Author Affiliation: (1)Isenberg School of Management, 121 Presidents Dr., University of Massachusetts, Amherst, MA 01003. E-mail:nakisteen@som.umass.edu (2)Department of Economics, Umea University, SE 901 87 Umea, Sweden. E-mail:olle.westerlund@econ.umu.se (3)Schroeder Family School of Business Administration, University of Evansville, Evansville, IN 47722. E-mail:mz3@evansville.edu Article History: Received: February 2006; revised: April 2007, September 2007; accepted: October 2007.

This research examines the relationship between technology resources, alliance formation, and sustained growth in new technology-based firms. We employ a three-dimensional measure of technology resources that includes the development and commercialization of technologies, and represents both a firm's initial resource foundation and its early actions to build on this foundation. Our analysis of 67 computer and telecommunications firms reveals that innovative first products are not associated with sustained growth, while patenting and product development activities are. This indicates that new firms cannot rely on their initial innovations for longer term advantage, but need to undertake follow up actions to build their technology resource foundations. In addition, while all three of the technology resource variables are positively associated with alliance formation, alliances, in turn, are weakly and negatively associated with sustained growth. The advantage of forming alliances has long been extolled, and it was assumed these benefits extended to new firms and those in technology-intensive environments. These findings suggest, however, that building, rather than accessing, technology resources is more critical to long-term growth for these firms. Our research provides convincing evidence that new firms should not be complacent about their initial success derived from innovative beginnings. They must turn their attention, early on, to building their technology resources internally, while exercising caution with respect to alliances. Index Terms--Alliances, new firm growth, patents, product innovation, technology resources.

MICHAEL A. ZIMMER [*] This article investigates economic bases for individuals' selection of marriage partners. Its central focus is matching of spouse pairs based on unobservable components of hourly earnings. [...]

This paper examines determinants of couple migration in a model that accounts for self-selection of migrant couples. The study is based on a sample of married couples from the Swedish population. The model incorporates controls for earnings of both spouses preceding the move, and explicitly addresses unmeasured heterogeneity in the family decision to migrate. Two statistical formulations are presented. In the first version, migration is measured as a dichotomous move/stay decision. A second formulation replaces the dichotomous indicator with the distance moved by migrants. Results suggest that family migration is selective of relatively low earning wives with unmeasured potential for strong earnings. [ABSTRACT FROM AUTHOR]

Examines the effects of interregional and interindustry migration on earnings. Properties of labor mobility model; Determinants of labor mobility; Factors influencing the migration.