Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. www.econstor.eu Postdoc is a special transitional position for those with a doctoral degree and is usually regarded as an investment to accumulate the additional human and social capital needed to facilitate future job searches or to add to an academic reserve army of unemployed PhDs. Given the prevalence of postdoctoral positions nowadays, it is crucial to explore the role played by postdoctoral participation in the post-PhD labor market. By taking advantage of a comprehensive data set from the National Profiles of Human Resources in Science and Technology in Taiwan, we first explore several characteristics associated with the choice of a postdoctoral position for newly-minted doctoral degree holders, such as age, discipline or the time taken to complete the degree. We then apply the control function approach to address the possible endogenous decision of postdoctoral experience when estimating the effects of postdoctoral positions on the current career choices between academic and non-academic jobs. The empirical results suggest that engaging in postdoctoral positions could increase the probability of advancing to the academic sector by about 6.1%. The heterogeneous effects of gender, major and cohort in regard to the postdoctoral experience are also found by splitting the data. Moreover, we experiment with several groupings for the definition of being awarded an academic position and obtain very robust empirical results. Terms of use: Documents in D I S C U S S I O N P A P E R S E R I E SJEL Classification: I2, J24

The authors consider the absolute income effect and several relative income effects on happiness. The latter include both a longitudinal comparison, which consists of both upward and downward comparisons, and a parallel comparison with individuals of similar traits. It is found that the longitudinal comparison and parallel comparison exist simultaneously, although the downward comparison is insignificant. However, the symmetry of the upward comparison, downward comparison, and parallel comparison cannot be rejected. Because the absolute income effect and the relative income effects countervail, the effect of income growth on subjective well-being is likely to be negligible. Copyright � 2009 The Authors. Journal compilation � 2009 Blackwell Publishing Ltd.

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