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The performance of German firms in the business-related service sectors : a dynamic analysis
Nguyen van Phu - 2000
We analyze the performance of firms in the German business-related services sector. A quarterly business survey provides the panel data base of our study. Firm performance is measured by the survey respondents' ordinal indication of their changes in total sales. We use a firstorder Markov chain...
Persistent link: https://www.econbiz.de/10013428340
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Strategic complementarities between different types of ICT-expenditures
Kaiser, Ulrich - 2003
Persistent link: https://www.econbiz.de/10013428579
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Measuring knowledge spillovers in manufacturing and services: an empirical assesssment of alternative approaches
Kaiser, Ulrich - 1999
knowledge spillovers are unmeasurable, a 'goodness of fit' measure is constructed using innovation survey data. It turns out … measures constructed from innovation survey data appear to work reasonably well while measures of the Euclidean technological …
Persistent link: https://www.econbiz.de/10013428289
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Research cooperation and research expenditures with endogenous absorptive capacity : theory and microeconometric evidence for the German service sector
Kaiser, Ulrich - 2000
collaborate in R&D is increasing in R&D productivity. The key findings of the theoretical model are tested using German innovation … survey data for the service sector. A simultaneous model for cooperation choice and innovation expenditures shows that R …&D cooperation has a weakly significant positive effect on innovation expenditures. The empirical results broadly support the …
Persistent link: https://www.econbiz.de/10013428320
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Econometric Models for Count Data with an Application to the Patents-R&D Relationship
Hausman, Jerry A.; Hall, Bronwyn H.; Griliches, Zvi - 2021
This paper focuses on developing and adapting statistical models of counts (non-negative integers) in the context of panel data and using them to analyze the relationship between patents and R&D expenditures. The model used is an application and generalization of the Poisson distribution to...
Persistent link: https://www.econbiz.de/10013218984
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The Effects of Website Provision on the Demand for German Women's Magazines
Kaiser, Ulrich - 2022
The effect of website provision on the demand for German women's magazines is analyzed using differentiated product demand models estimated on panel data that cover the period 1990 2000. Descriptive evidence on the magazines' website contents suggests that websites are used to provide...
Persistent link: https://www.econbiz.de/10014120018
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Productivity effects of organizational change: microeconometric evidence
Bertschek, Irene - 2001
the input factors and workplace reorganization. The estimation results show that changes in human resources practices do … observable firm heterogeneity are larger if workplace reorganization is realized. We therefore apply Kernel density estimation … realized. We therefore apply Kernel density estimation technique to demonstrate that the entire labor productivity distribution …
Persistent link: https://www.econbiz.de/10013428430
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Fremdvergabe von IT-Dienstleistungen aus personalwirtschaftlicher Sicht
Henkel, Joachim - 2002
Persistent link: https://www.econbiz.de/10013428539
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Quantification of qualitative data using ordered probit models with an application to a business survey in the German service sector
Kaiser, Ulrich; Spitz-Oener, Alexandra - 2000
This paper aims at providing business survey analysts with simple econometric tools to quantify qualitative survey data. We extend the traditional and commonly applied method proposed by Carlson and Parkin (1975) to capture observable survey respondent heterogeneity. We also discuss...
Persistent link: https://www.econbiz.de/10001531547