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...

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...

Properties of blogging networks are derived from a model where bloggers devote attention to others, produce content for others, and exchange attention with content within their network of relations. The predictions from the model are tested with a novel dataset from LiveJournal, a major blogging...

Social networks can be successfully used to promote any business, being developed in such a way to allow both individuals and business organizations to interact one with another. Companies may obtain important information about users of social networks which will help to a better understanding...

Today, many platforms rely on contributions by users to create value. While they play an increasing role in today's digital economy, little is known about how dominant user-driven platforms emerge and what determines the production of content here. We aim to extend our understanding of this...

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...

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...

The extent of digital disruption was not really perceived by many financial intermediaries justa few years ago. It is clear in 2017 that the digital disruption will change the financial industryfar more widely than the regulatory avalanches did since the financial crisis: The business modelin...

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...