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Externalities in knowledge production: Evidence from a randomized field experiment

Hinnosaar, Marit; Hinnosaar, Toomas; Kummer, Michael; … - 2019

Do contributions to online content platforms induce a feedback loop of ever more user-generated content or will they discourage future contributions? To assess this, we use a randomized field experiment which added content to some pages in Wikipedia while leaving similar pages unchanged. We find...

Persistent link: https://www.econbiz.de/10011985216

Does Wikipedia matter? The effect of Wikipedia on tourist choices

Hinnosaar, Marit; Hinnosaar, Toomas; Kummer, Michael; … - 2017

We document a causal influence of online user-generated information on realworld economic outcomes. In particular, we conduct a randomized field experiment to test whether additional information on Wikipedia about cities affects tourists' choices of overnight visits. Our treatment of adding...

Persistent link: https://www.econbiz.de/10011778712

"Brain gain" on Wikipedia: Immigrants return knowledge home

Slivko, Olga - 2018

Economic literature acknowledges the impact of immigration on cross-border patenting and scientific publications. However, the role of immigration ows in the dissemination of knowledge in a broader sense is yet to be assessed. In this paper, I estimate the effect of immigration on the...

Persistent link: https://www.econbiz.de/10011793092

Competition and privacy in online markets: Evidence from the mobile app industry

Kesler, Reinhold; Kummer, Michael E.; Schulte, Patrick - 2019

Policy makers are increasingly concerned about the combination of market power and massive data collection in digital markets. This concern is fueled by the theoretical prediction that more market power causes firms to collect ever more data from their users. We investigate the relationship...

Persistent link: https://www.econbiz.de/10012161724

Innovation, competition and incentives for R&D

Wörter, Martin; Rammer, Christian; Arvanitis, Spyros - 2010

This paper analyses the relationship between past innovation output, competition, and future innovation input in a … dynamic econometric setting. We distinguish two dimensions of competition that correspond to the concepts of product … results for both countries. Innovation output in t-1 as measured by the sales share of innovative products is positively …

Persistent link: https://www.econbiz.de/10010300512

Public ICT investment in reaction to the economic crisis: A case study on measuring IT-related intangibles in the public sector

Saam, Marianne; Weinhardt, Laura; Trottner, Lukas - 2016

-related intangibles in government beyond software (including e.g., IT-training, innovation in e-services), (3) investigate how to form …

Persistent link: https://www.econbiz.de/10011571074

Mobile network interconnection and investments

Veith, Tobias - 2009

Abstract In markets with competing interconnected networks like mobile telecommunication markets investments affect the investor’s and also any competitors’ profits. In a theoretical model it is shown that cost-reducing investments reduce the investor’s termination rates and increase...

Persistent link: https://www.econbiz.de/10010299497

European telecommunication regulation: Effects on telecommunication providers

Veith, Tobias - 2010

analysis. These findings show that European Commission interventions are competition enhancing and support the expected …

Persistent link: https://www.econbiz.de/10010303007

Competition among digital services: Evidence from the 2021 Meta outage

Rehse, Dominik; Valet, Sebastian - 2025

On October 4, 2021, all services provided by Meta Platforms, Inc. (then Facebook, Inc.) became unavailable unexpectedly for all its worldwide users for a period of about six hours. We use detailed high-frequency tracking data from smartphones, tablets and desktop computers of thousands of Meta...

Persistent link: https://www.econbiz.de/10015338518

The Role of Creative Industries in Industrial Innovation

Trüby, Johannes; Rammer, Christian; Müller, Kathrin - 2008

This paper analyses the role of creative industries in affecting an economy's innovation performance. We conducted a … innovative sectors in the economy. They support innovation in a variety of other sectors through creative inputs, such as ideas … for new products (i.e. innovation content), supplementary products and services (such as software) or marketing support …

Persistent link: https://www.econbiz.de/10010298691