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Selection bias in innovation studies : a simple test
De Rassenfosse, Gaétan; Wastyn, Annelies - 2012
selection bias. Using a novel dataset of the whole population of patents by Belgian firms, we show that the single-office count … results in a selection bias that affects econometric estimates of innovation production functions. We propose a methodology to … evaluate whether estimates that rely on the single-office count are affected by a selection bias. -- Innovation production …
Persistent link: https://www.econbiz.de/10009509662
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Decreasing wage mobility in Germany
Gernandt, Johannes - 2009
Using data from the German Socio Economic Panel (SOEP) for the years 1984 to 2007, this paper analyses the amount, the development and the explanations of wage mobility, as well as volatility in West Germany, measured by ranks in the wage distribution. Individual wage mobility decreased between...
Persistent link: https://www.econbiz.de/10003875240
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A note on how to realize the full potential of the EU-SILC data
Berger, Melissa; Schaffner, Sandra - 2015
The European Union Statistics on Income and Living Conditions (EU-SILC) is a rotational panel provided by Eurostat that … on income and hourly pay can be derived. …
Persistent link: https://www.econbiz.de/10010465410
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Mobile applications and access to private data : the supply side of the Android ecosystem
Kesler, Reinhold; Kummer, Michael E.; Schulte, Patrick - 2017
We analyze the data collection strategies of 65,000 developers in the market for mobile applications and track 300,000 applications over four years. Many apps belong to developers with multiple apps. This fact generates variation in the privacy behaviors of the same developer for our analysis....
Persistent link: https://www.econbiz.de/10011780857
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Field of study, qualification mismatch, and wages : does sorting matter?
Berlingieri, Francesco; Zierahn, Ulrich - 2014
Graduates from Science, Technology, Engineering, and Mathematics (STEM) are usually found to have higher wages and a lower risk of overqualification. However, it is unclear whether we can interpret the effect of STEM subjects on overqualification and wages in a causal way, since individuals...
Persistent link: https://www.econbiz.de/10010416218
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Local labor market size and qualification mismatch
Berlingieri, Francesco - 2017
This paper investigates the effect of the size of the local labor market on skill mismatch. Using survey data for Germany, I find that workers in large cities are both less likely to be overqualified for their job and to work in a different field than the one they are trained for. Different...
Persistent link: https://www.econbiz.de/10011752572
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Is it who you ask or how you ask? : findings of a meta-analysis on genetically modified food valuation studies
Dannenberg, Astrid (contributor) - 2008
This paper presents a meta-analysis of 46 primary studies reporting a total of 108 genetically modified food valuation estimates. The analysis shows that elicitation methods and formats used in the primary studies affect valuation estimates much more than do sample characteristics. Moreover,...
Persistent link: https://www.econbiz.de/10003784544
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The accuracy and efficiency of the consensus forecasts : a further application and extension of the pooled approach
Ager, Philipp (contributor); Kappler, Marcus (contributor);  … - 2007
1996 to 2006 regarding bias and information efficiency. A pooled approach is employed which permits the evaluation of all …
Persistent link: https://www.econbiz.de/10003545994
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IT outsourcing and firm productivity : eliminating bias from selective missingness in the dependent variable
Breunig, Christoph; Kummer, Michael E.; Ohnemus, Jörg; … - 2016
-response does not depend on the potentially missing variables' realization. However, assuming missing-at-random may introduce bias … individual-level data on income or privacy-sensitive behaviors. In this paper, we propose a novel approach to deal with selective …
Persistent link: https://www.econbiz.de/10011580805
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An investigation of record linkage refusal and its implications for empirical research
Warnke, Arne Jonas - 2017
previously inconsistent results. This is also the first study in which possible linkage consent bias is investigated in applied …
Persistent link: https://www.econbiz.de/10011701697