The management literature is paying increasing attention to the phenomenon of imitation. However, there are several gaps in understanding what drives firms imitative behaviors. Furthermore, a fragmented array of disciplinary perspectives has investigated imitation phenomena in the past. This...

Can large-scale peer interaction foster entrepreneurship and innovation? We conducted an RCT involving almost 5,000 entrepreneurs from 49 African countries. All were enrolled in an online business course, and the treatment involved random assignment to either face-to-face or virtual...

The marketing-finance interface literature has largely investigated the direct link between innovativeness and stock returns. In this paper, we move a step further investigating two key unanswered questions: How and under what conditions is innovativeness associated with stock returns? Answering...

Monetary policy announcements of major central banks trigger substantial discussions about the policy on social media. In this paper, we use machine learning tools to identify Twitter messages related to monetary policy in a short-time window around the release of policy decisions of three major...

We study the role of perceived threats from other cultures induced by terrorist attacks and by a criminal event on public discourse and voters’ support for radical right parties. We first develop a rule which allocates Twitter users in Germany to electoral districts and then use a machine...

Can large-scale peer interaction foster entrepreneurship and innovation? We conducted an RCT involving almost 5,000 entrepreneurs from 49 African countries. All were enrolled in an online business course, and the treatment involved random assignment to either face-to-face or virtual...

We study the role of perceived threats from cultural diversity induced by terrorist attacks and a salient criminal event on public discourse and voters' support for far-right parties. We first develop a rule which allocates Twitter users in Germany to electoral districts and then use a machine...

This paper explores the relationship between central bank communication and market sentiment,and proposes a new measure. Market sentiment is proxied using a Twitter-based metric: theCentral Bank Surprise Index. The empirical study covers three cases: the Federal Reserve, theEuropean Central Bank...