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Virtuality, Innovation and R&D Activities

Ale Ebrahim, Nader - 2014

Innovation plays a central role in economic development, at regional and national level. In the competitive environment … achieve innovations of high quality. Depending on the type of industry, the type of business, the type of innovation and the … strategic objectives that have been set, firms will regularly have to modify the way in which their R&D and innovation is …

Persistent link: https://www.econbiz.de/10013068854

Establish a Digital Footprint for Your Publication by Using Twitter

Ale Ebrahim, Nader - 2016

Twitter is a social media site created in 2006 that gives you a chance to share quick thoughts using not more than 140 characters in a post. It's a great way to share your current research, publications and links to achieve maximum publicity. Twitter assist you to stay current with the...

Persistent link: https://www.econbiz.de/10012998950

New Product Development in Virtual Environment

Ale Ebrahim, Nader; Ahmed, Shamsuddin; Taha, Zahari - 2014

Purpose - The literature on the topic has evolved exponentially since eight years ago. Relaying on a review of studies published in recent years, this article proposes and discusses a framework which incorporates a set of virtual teams involved in a new product development initiative....

Persistent link: https://www.econbiz.de/10014190473

Externalities in knowledge production : evidence from a randomized field experiment

Hinnosaar, Marit; Hinnosaar, Toomas; Kummer, Michael E.; … - 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/10011983935

Virtual Marketing in Virtual Enterprises

Ale Ebrahim, Nader; Fattahi, Hamid A.; Golnam, Arash - 2014

Virtualization caused tremendous evolution in the economics of marketing channels, patterns of physical distribution and the structure of distributors and developed a new concept that is known as virtual marketing (VM). VM combines the powerful technologies of interactive marketing and virtual...

Persistent link: https://www.econbiz.de/10014043704

Economic downturn and volunteering : do economic crises affect content generation on Wikipedia?

Kummer, Michael E.; Slivko, Olga; Zhang, Michael - 2015

In this paper, we address the impact of surging unemployment on online public good provision. Specifically, we ask how drastically increased unemployment affects voluntary contributions of content to the online encyclopedia Wikipedia. We put together a monthly country-level data set, which...

Persistent link: https://www.econbiz.de/10011381947

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

Kummer, Michael E. - 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/10010204042

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 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/10010468371

Economic downturn and volunteering : do economic crises affect content generation on Wikipedia?

Kummer, Michael E.; Slivko, Olga; Zhang, Michael - 2016 - This Version: February 2016

Persistent link: https://www.econbiz.de/10011478744

Wikipedia Matters

Hinnosaar, Marit - 2019

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

Persistent link: https://www.econbiz.de/10012900944