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Unobservable, but Unimportant? The Influence of Personality Traits (and Other Usually Unobserved Variables) for the Evaluation of Labor Market Policies

Caliendo, Marco; Mahlstedt, Robert; Mitnik, Oscar A. - Institute for the Study of Labor (IZA) - 2014

Many commonly used treatment effects estimators rely on the unconfoundedness assumption ("selection on observables") which is fundamentally non-testable. When evaluating the effects of labor market policies, researchers need to observe variables that affect both treatment participation and labor...

Persistent link: https://www.econbiz.de/10010884355

Dynamic Incentive Effects of Heterogeneity in Multi-Stage Promotion Contests

Stracke, Rudi; Sunde, Uwe - Institute for the Study of Labor (IZA) - 2014

This paper shows that the incentive effects of heterogeneity may be positive rather than negative in dynamic contests … with multiple stages. In particular, the well-studied adverse effects of heterogeneity in static interactions are … compensated by positive continuation-value and selection effects. Due to these positive dynamic incentive effects of heterogeneity …

Persistent link: https://www.econbiz.de/10010886143

Causal Returns to Schooling and Individual Heterogeneity

Pfeiffer, Friedhelm; Pohlmeier, Winfried - Institute for the Study of Labor (IZA) - 2012

In this paper, human capital investments are evaluated by assuming heterogeneous returns to schooling. We use the potential outcome approach to measure the causal effect of human capital investments on earnings as a continuous treatment effect. Empirical evidence is based on a sample of West...

Persistent link: https://www.econbiz.de/10011279259

The Life-Cycle and the Business-Cycle of Wage Risk: A Cross-Country Comparison

Bayer, Christian; Juessen, Falko - Institute for the Study of Labor (IZA) - 2009

This paper provides a cross-country comparison of life-cycle and business-cycle fluctuations in the dispersion of household-level wage innovations. We draw our inference from household panel data sets for the US, the UK, and Germany. First, we find that household characteristics explain about...

Persistent link: https://www.econbiz.de/10005015462

Repeated Selection with Heterogenous Individuals and Relative Age Effects

Dawid, Herbert; Muehlheusser, Gerd - Institute for the Study of Labor (IZA) - 2012

In contexts such as education and sports, skill-accumulation of individuals over time crucially depends on the amount of training they receive, which is often allocated on the basis of repeated selection. We analyze optimal selection policies in a model of endogenous skill formation where, apart...

Persistent link: https://www.econbiz.de/10010541270

And I Will Try to Fix You: A Study of Heterogeneity in Job Satisfaction with Implications for Flexible Employment Contracts

Chongvilaivan, Aekapol; Powdthavee, Nattavudh - Institute for the Study of Labor (IZA) - 2011

This paper is an empirical study of slope heterogeneity in job satisfaction. It provides evidence from the generalized …

Persistent link: https://www.econbiz.de/10009216290

Exploring the Causes of Frictional Wage Dispersion

Tjaden, Volker; Wellschmied, Felix - Institute for the Study of Labor (IZA) - 2012

duration dependence in unemployment benefits in a random on the job search model featuring two-sided heterogeneity. General …

Persistent link: https://www.econbiz.de/10009646280

Exogenous Treatment and Endogenous Factors: Vanishing of Omitted Variable Bias on the Interaction Term

Nizalova, Olena Y.; Murtazashvili, Irina - Institute for the Study of Labor (IZA) - 2012

consistent. We find that if the source of heterogeneity and omitted variable are jointly independent of policy or treatment, then …

Persistent link: https://www.econbiz.de/10009646286

Wages or Fringes? Some Evidence on Trade-offs and Sorting

Eriksson, Tor; Kristensen, Nicolai - Institute for the Study of Labor (IZA) - 2010

-fringe trade-offs, considerable heterogeneity in willingness to pay for fringe benefits, and signs of sorting. The findings imply …

Persistent link: https://www.econbiz.de/10008693836

Immigrants and Firms' Productivity: Evidence from France

Mitaritonna, Cristina; Orefice, Gianluca; Peri, Giovanni - Institute for the Study of Labor (IZA) - 2014

Immigrants may complement native workers, increase productivity, allow specialization by skill in the firm and lower costs. These effects could be beneficial for the firm and increase its productivity and profits. However not all firms use immigrants. Allowing firms to have differential fixed...

Persistent link: https://www.econbiz.de/10010756235