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  • 1
    Electronic Resource
    Electronic Resource
    Barefoot and in a German kitchen: Federal parental leave and benefit policy and the return to work after childbirth in Germany (1996)
    Springer
    Journal of population economics 9 (1996), S. 247-266 
    Details
    ISSN: 1432-1475
    Keywords: Key words: Maternity leave ; childbirth ; labor force participation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Sociology , Economics
    Notes: Abstract. Since 1979 German federal maternity leave and benefit policy has given women incentives to stay at home and take care of their newborn and youngest children. In 1986 this leave and benefit policy was changed in several ways, turning it into a powerful instrument for delaying mothers‘ return to work after childbirth. Using a flexible duration dependence estimation technique for proportional hazards due to Prentice and Gloeckler (1978) and applied to grouped durations by Meyer (1987, 1990), we estimate post childbirth return to work hazards for women during the federally protected leave protection period and immediately upon completion of this leave period. During the leave mothers are less likely to return to work the longer is the time left in the leave protection period; however, this result cannot be attributed generally to high levels of maternity benefits. When the leave protection period ends, mothers with strong labor force attachment who are still on leave return to their jobs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001480050017
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  • 2
    Electronic Resource
    Electronic Resource
    Elasto-plastic constitutive relations of unidirectional fiber composites for cyclic loadings (1993)
    Springer
    Acta mechanica solida Sinica 6 (1993), S. 39-46 
    Details
    ISSN: 0894-9166
    Keywords: composite materials ; cyclic loading ; elasto-plasticity ; constitutive relations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The clasto-plastic constitutive behaviors of continuous fiber reinforced composites under cyclic loadings are studied by the micromechanics method in which the equal-strain model is used in the fiber direction, the equal-stress model in the other directions. It is supposed that fiber is linearly elastic and matrix is clastic-viscoplastic. The constitutive equations of the matrix are described by Bodner-Partom's unified constitutive theory. Boron/Aluminum composite, as an example, is investigated in detail for an understanding of the stress-strain relations and initial yield behaviors of metal matrix composites. Present results are compared with the experimental data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02207812
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    Paper (German National Licenses)
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