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This paper investigates differences in worker turnover characteristics between periods of workforce expansion and contraction in a firm. We derive a Cox proportional hazard model from a simple model of job separation based on the expected surpluses from the firm and its workers. We account for non-stationarity in the baseline hazard reversing the role of calendar time and employment duration (Imbens (1994)), and estimate the model using personnel data from a large Dutch aircraft manufacturer over a period from January 1987 until March 14th, 1996, one day before its bankruptcy. Performance evaluations, blue versus white collar employment, and career paths within the firm are found to play an important role explaining differences in turnover behavior. A generally important result is that smooth functional forms of the age effect on worker mobility can produce misleading results, blurring a better understanding of the design of early retirement schemes for corporate reorganizations.

This paper develops a model that shows why high-skilled workers move more and are therefore unemployed less than low-skilled workers. The model can explain the paradoxical empirical regularity that higher owner-occupation rates are associated with higher levels of unemployment although home-owners tend to be unemployed less. The choice of housing tenure affects moving costs and thereby regional mobility and unemployment. The paper analyzes the impact of symmetric and asymmetric shocks on mobility and unemployment, and discusses effects of government intervention in the housing market. In addition, it is shown that moving costs reduce job search effort and search effectiveness.

This paper studies the impact of incentives on worker self-selection in a controlled laboratory experiment. Subjects face the choice between a fixed and a variable payment scheme. Depending on the treatment, the variable payment is a piece rate, a tournament, or a revenue-sharing scheme. We find that output is higher in the variable-payment schemes compared to the fixed-payment scheme. This difference is largely driven by productivity sorting. In addition, different incentive schemes systematically attract individuals with different attitudes, such as willingness to take risks and relative self-assessment as well as gender, which underlines the importance of multidimensional sorting. (JEL C91, D81, D82, J16, J31)

Governments are showing an increasing interest in quantitative models that give insights into the determinants of unemployment duration. Yet, these models oftentimes do not explicitly take into account that unemployment prospects are influenced by personality characteristics that are not being fully captured by variables in administrative data. Using German survey data linked with administrative data, we show that numeracy skills are strongly related to unemployment duration, while at the same time we confirm well-established patterns documented in the literature. Low numeracy is strongly related to a longer unemployment duration of workers below median age (33) in our sample, even after including a rich set of controls. We find that unrealistic reservation wages are not the main driver, nor do results seem to be driven by locking-in effects caused by programme participation. On the other hand, the absence of a relationship between numeracy and unemployment duration for older workers might well be driven by a locking-in effect for those with high numeracy, as they tend to commit more often to intensive training programmes. Another tentative explanation, which is supported by the data, is that younger people have fewer signals to send such that their cognitive abilities may have a higher relative signalling value.

We study the intrapersonal relationship between trust and reciprocity in a laboratory experiment. Reciprocal subjects trust significantly more than selfish ones. This finding raises questions about theories of social preferences which predict that "fairer" players should trust less.