Narrow search
Showing 1 - 10 of 218
Cover Image
Spillovers in networks of user generated content : pseudo-experimental evidence on Wikipedia
Kummer, Michael E. - 2014
I quantify spillovers of attention in a network of content pages, which is challenging, because such networks form …
Persistent link: https://www.econbiz.de/10010468371
Cover Image
Are we spending too many years in school? : Causal evidence of the impact of shortening secondary school duration
Büttner, Bettina; Thomsen, Stephan L. - 2010
; learning intensity ; natural experiment …
Persistent link: https://www.econbiz.de/10003936744
Cover Image
Variation of learning intensity in late adolescence and the impact on noncognitive skills
Büttner, Bettina; Thiel, Hendrik; Thomsen, Stephan L. - 2011
increase in the amount of curriculum per unit of time (learning intensity) at the end of higher secondary schooling on nine … ; learning intensity ; natural experiment ; Big Five ; Locus of Control ; Reciprocity ; Self-Control …
Persistent link: https://www.econbiz.de/10008901881
Cover Image
The effects of experience on selecting innovation projects : better the devil you know
Schmidt, Tobias (contributor);  … - 2008
Innovation success depends heavily on firm's ability to set priorities and select the most promising options from its … project portfolio before the odds of success or failure become visible and reliable. We ask: What does previous innovation … learning mechanisms. On the one hand, real options theory suggests a process based on financial data. On the other hand …
Persistent link: https://www.econbiz.de/10003761053
Cover Image
Who chooses whom? : Syndication, skills and reputation
Tykvová, Tereza (contributor) - 2005
Syndication, which is a joint realization of one project/one investment by several capital providers, is a long existing phenomenon that plays a central role in many financial market segments. Within this paper we develop a theoretical model focusing on the dynamic aspect of syndication, namely...
Persistent link: https://www.econbiz.de/10003181073
Cover Image
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
Cover Image
The impact of the financial crisis on investments in innovative firms
Giebel, Marek; Kraft, Kornelius - 2015
This paper investigates the impact of the financial crisis on investment decisions in innovative versus non-innovative firms. Firms are defined as being innovative if they have introduced a new product to the market. The empirical test is based on data for the years before and after the recent...
Persistent link: https://www.econbiz.de/10011339805
Cover Image
Sources of spillovers for imitation and innovation
Cappellin, Riccardo; Czarnitzki, Dirk; Kraft, Kornelius - 2013
market (innovation). It turns out that spillovers from rivals lead to more imitation, while inputs from customers and … research institutions enhance original innovation. …
Persistent link: https://www.econbiz.de/10009787404
Cover Image
Do trademarks diminish the substitutability of products in innovative knowledge-intensive services?
Crass, Dirk; Schwiebacher, Franz - 2013
Trademarks are often supposed to reduce substitutability and imitability of product innovations. Using German CIS data for 2010, we provide empirical evidence that trademarking firms assess easy product substitutability as less characteristic for their competitive environment. This is...
Persistent link: https://www.econbiz.de/10009787415
Cover Image
From less promising to green? : technological opportunities and their role in (green) ICT innovation
Cecere, Grazia; Rexhäuser, Sascha; Schulte, Patrick - 2015
This paper aims to shed light on the role of technological opportunities for green innovation by studying the case of … Green ICT innovation. We test two hypotheses: (1) Firms active in low-opportunity technological areas are less innovative … Office with firm-level data from the German Innovation Panel (Mannheim Innovation Panel). The results are based on dynamic …
Persistent link: https://www.econbiz.de/10011436068