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Impacts of parental health on children's development of personality traits and problem behavior: Evidence from parental health shocks

Morefield, Brant; Mühlenweg, Andrea M.; Westermaier, Franz - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2011

In this paper, we examine how parental health affects children's development of personality traits and problem behavior. Based on a German mother-and-child data base, we draw on observed parental health shocks as a more exogenous source of health variation to identify these effects and control...

Persistent link: https://www.econbiz.de/10009283661

Do Computers Call for Training? Firm-level Evidence on Complementarities Between ICT and Human Capital Investments

Hempell, Thomas - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2003

This paper explores whether investments in information and communication technologies (ICT) and firm?sponsored training programmes are complementary. Three approaches are applied to panel data from German service companies for the time period 1994?98. Results for a system of interrelated factor...

Persistent link: https://www.econbiz.de/10005097535

Impacts of parental health shocks on children's non-cognitive skills

Westermaier, Franz; Morefield, Brant; Mühlenweg, Andrea M. - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2013

We examine how parental health shocks affect children's non-cognitive skills. Based on a German mother-and-child data base, we draw on significant changes in selfreported parental health as an exogenous source of health variation to identify effects on outcomes for children at ages of three and...

Persistent link: https://www.econbiz.de/10010985651

Spillovers in networks of user generated content: Evidence from 23 natural experiments on Wikipedia

Kummer, Michael E. - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2013

Endogeneity in network formation hinders the identification of the role social networks play in generating spillovers, peer effects and other externalities. This paper tackles this problem and investigates how the link network between articles on the German Wikipedia influences the attention and...

Persistent link: https://www.econbiz.de/10010957727

Spillovers in networks of user generated content: Pseudo-experimental evidence on Wikipedia

Kummer, Michael - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2014

I quantify spillovers of attention in a network of content pages, which is challenging, because such networks form endogenously. I exploit exogenous variation in the article network of German Wikipedia to circumvent this problem. Wikipedia prominently advertises one featured article on its main...

Persistent link: https://www.econbiz.de/10011139789

Intermediate input markets, ICT and innovation in Germany: A firm level analysis

Cerquera, Daniel; Klein, Gordon J. - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2013

the importance of adoption externalities and knowledge spillovers inherent in the introduction of ICT. The results show …

Persistent link: https://www.econbiz.de/10010957582

Innovation, employment growth, and foreign ownership of firms: A European perspective

Dachs, Bernhard; Peters, Bettina - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2013

This paper examines how foreign-owned and domestically owned firms transform innovation into employment growth. The …, reveals important differences between the two groups: Due to general productivity increases and process innovation, foreign … innovation are larger for foreignowned firms. Together with employment-stimulating effects stemming from existing products, they …

Persistent link: https://www.econbiz.de/10010957608

ICT, Innovation and Business Performance in Services: Evidence for Germany and the Netherlands

van der Wiel, Henry; van Leeuwen, George; Hempell, Thomas - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2004

deepening and innovation for productivity. We employ a model that takes into account that innovation and ICT use may be … technological innovations on a more permanent basis. Moreover, the joint impact of ICT use and permanent technological innovation on … productivity appears to be of the same order of magnitude in the two countries. However, the direct impacts of innovation on multi …

Persistent link: https://www.econbiz.de/10005097585

Does Experience Matter? Innovations and the Productivity of ICT in German Services

Hempell, Thomas - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2002

In this paper, it is argued that ICT investment is closely linked with complementary innovations and most productive in firms with innovative experience. In an analysis based on firm?level panel data covering the period 1994?99, system GMM estimates for an extended production function framework...

Persistent link: https://www.econbiz.de/10005097592

Does Innovation Stimulate Employment? A Firm-Level Analysis Using Comparable Micro-Data From Four European Countries

Harrison, Rupert; Jaumandreu Balanzo, Jordi; Mairesse, … - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2008

This paper studies the impact of process and product innovations introduced by firms on employment growth in these firms. A simple model that relates employment growth to process innovations and to the growth of sales separately due to innovative and unchanged products is developed and estimated...

Persistent link: https://www.econbiz.de/10005097602