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The sorting of female careers after first birth: A competing risks analysis of maternity leave duration
Arntz, Melanie; Dlugosz, Stephan; Wilke, Ralf A. - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2014
A number of contributions have found evidence for motherhood being a critical life event for women's employment careers. This study presents a detailed model for the du- ration of maternity leave in which young mothers can make a transition into a number of states related to employment and...
Persistent link: https://www.econbiz.de/10011122575
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Cultural influences on the fertility behaviour of first- and second-generation immigrants in Germany
Stichnoth, Holger; Yeter, Mustafa - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2013
Based on a 1% sample of the German population, we study how fertility rates in the country of origin-a proxy for … cultural imprint-influence the fertility outcomes of first- and second-generation female immigrants. We use both total … fertility rates in the year of migration and a new measure of completed cohort fertility rates in the countries of origin as …
Persistent link: https://www.econbiz.de/10010957659
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Completed fertility effects of family policy measures: Evidence from a life-cycle model
Abiry, Raphael; Reuss, Karsten; Stichnoth, Holger - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2014
We estimate a structural life-cycle model of fertility and female labour supply and use it to evaluate the effects of a … childcare are found to have substantial fertility effects. Without these measures, completed fertility is estimated to be lower … a negligible effect on fertility. …
Persistent link: https://www.econbiz.de/10010957675
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Short-run fertility effects of parental leave benefits: Evidence from a structural model
Stichnoth, Holger - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2014
Based on a structural model of fertility and female labour force supply with unobserved heterogeneity and state … generous earnings-related transfer. The model predicts a short-term fertility effect of about 4%, which is consistent with … recent quasi-experimental evidence. The fertility effect is strongest for first births and increases with income. We use the …
Persistent link: https://www.econbiz.de/10010957743
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Gains and Pains from Contract Research: A Transaction and Firm-level Perspective
Kaiser, Ulrich; Grimpe, Christoph - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2008
Determining the research and development (R&D) boundaries of the firm as the choice between internal, collaborative and external technology acquisition has since long been a major challenge for firms to secure a continuous stream of innovative products or processes. While research on R&D...
Persistent link: https://www.econbiz.de/10005097539
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Censored Quantile Regressions and the Length of Unemployment Periods in West Germany
Lüdemann, Elke; Wilke, Ralf A.; Zhang, Xuan - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2004
We apply censored quantile regressions to representative German register data with more than 91,000 observations in order to determine crucial factors that influence the distribution of unemployment duration in West Germany during the 1980s and 1990s. We find that the effect of some regressors...
Persistent link: https://www.econbiz.de/10005097725
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Do R&D subsidies matter? Evidence for the German service sector
Czarnitzki, Dirk; Fier, Andreas - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2001
In recent times the service sector is often called the driving force of today?s economies. This paper analyses the innovative activities of German service firms. We investigate whether firms that receive public subsidies for innovation projects engage more in innovative activities than others....
Persistent link: https://www.econbiz.de/10005097741
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Inventors? Response to Firm Acquisitions
Hussinger, Katrin - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2007
Mergers and acquisitions (M&As) constitute a disruption to the working environment of the inventive labor force of the acquired company. If inventors would respond with a decline of their patent productivity or departure from the firm this can be detrimental to the innovative process within the...
Persistent link: https://www.econbiz.de/10005097752
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Management Control and Innovative Activity
Czarnitzki, Dirk; Kraft, Kornelius - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2000
This paper discusses theoretically the different incentives of managers versus firm owners to invest in innovative activities. There are opposing effects concerning R&D intensity in the manager-controlled firm. Our study on the determinants of R&D intensity presents empirical results concerning...
Persistent link: https://www.econbiz.de/10005097769
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New technologies and the demand for medium qualified labour in Germany
Jacobebbinghaus, Peter; Zwick, Thomas - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2001
The literature on skill-biased technological change concentrates on highly skilled and unskilled employees. It is unclear, however, if the employment opportunities of the majority of the labour force in Germany-employees with a degree from the dual apprenticeship system-increase or not. In...
Persistent link: https://www.econbiz.de/10005097772