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Crowdsourced innovation : how community managers affect crowd activities
Hornuf, Lars; Jeworrek, Sabrina - 2018 - This version: July 10, 2018
stimulate crowd activities through their engagement. Using a novel data set of 22 large online idea crowdsourcing campaigns, we … find that active engagement of community managers positively affects crowd activities in an inverted Ushaped manner …In this study, we investigate whether and to what extent community managers in online collaborative communities can …
Persistent link: https://www.econbiz.de/10011877762
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Lock-in effects in online labor markets
Ciotti, Fabrizio; Hornuf, Lars; Stenzhorn, Eliza - 2021
This article reports on an investigation of the role of lock-in exploitation and the impact of reputation portability on workers’ switching behaviors in online labor markets. Online platforms using reputation mechanisms typically prevent users from transferring their ratings to other...
Persistent link: https://www.econbiz.de/10012652857
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Social networks and housing markets
Bailey, Michael; Cao, Ruiqing; Kuchler, Theresa; … - 2016
The recent house price experiences within an individual's social network affect her perceptions of the attractiveness of property investments, and through this channel have large effects on her housing market activity. Our data combine anonymized social network information from Facebook with...
Persistent link: https://www.econbiz.de/10011476018
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Social media and mental health
Braghieri, Luca; Levy, Ro’ee; Makarin, Alexey - 2022
The diffusion of social media coincided with a worsening of mental health conditions among adolescents and young adults in the United States, giving rise to speculation that social media might be detrimental to mental health. In this paper, we provide quasi-experimental estimates of the impact...
Persistent link: https://www.econbiz.de/10013186450
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Politics in the Facebook era evidence from the 2016 US presidential elections
Liberini, Federica; Redoano, Michela; Russo, Antonio; … - 2020
Through social media, politicians can personalize their campaigns and target specific groups of voters with an unprecedented precision. We assess the effects of such political micro-targeting by exploiting daily advertising prices on Facebook during the 2016 US presidential campaign. We measure...
Persistent link: https://www.econbiz.de/10012206082
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Symptom or culprit? : social media, air pollution, and violence
Du, Xinming - 2023
This paper provides the first causal evidence that hostile activities online lead to physical violence. Given the recently documented relationship between pollution and social media, I exploit exogenous variation in local air quality as the first step to instrument for online aggression. In an...
Persistent link: https://www.econbiz.de/10014226647
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Growth effects of non proprietary innovation
Saint-Paul, Gilles - 2002
We study an endogenous growth model where a profit-motivated R and D sector coexists with the introduction of free blueprints invented by philanthropists. These goods are priced at marginal cost, contrary to proprietary ones which are produced by a monopoly owned by the inventor. We show that...
Persistent link: https://www.econbiz.de/10011409970
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Dynamics of open source movements
Athey, Susan; Ellison, Glenn - 2010
This paper considers a dynamic model of the evolution of open source software projects, focusing on the evolution of quality, contributing programmers, and users who contribute customer support to other users. Programmers who have used open source software are motivated by reciprocal altruism to...
Persistent link: https://www.econbiz.de/10008697802
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Who cares for social image? : interactions between intrinsic motivation and social image concerns
Friedrichsen, Jana; Engelmann, Dirk - 2013
We consider the interaction of intrinsic motivation and concerns for social approval in a laboratory experiment. We elicit a proxy for Fairtrade preferences before the experiment in which we elicit willingness to pay for conventional and Fairtrade chocolate. Treatments vary whether this can be...
Persistent link: https://www.econbiz.de/10010223073
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Do norms on contribution behavior affect intrinsic motivation? : field-experimental evidence from Germany
Boyer, Pierre C.; Dwenger, Nadja; Rincke, Johannes - 2016
, communicating the legal norm results in a significant crowd-out of intrinsic motivation. In contrast, strongly intrinsically …
Persistent link: https://www.econbiz.de/10011509266