Nils Levsen focuses on the international diffusion of product and service innovations for elderly users. In particular, the existence and location of lead markets is being investigated. Lead markets are characterized by their early adoption of innovations and their influence on design choice in...

Die Analyse der Faktoren, die zum Erfolg einer Produktidee führen, ist für das Management von großer Bedeutung, insbesondere in den Frühphasen der Produktentwicklung, wenn noch keine Absatzdaten für eine Diffusionsprognose vorliegen. Auf der Grundlage der Adoptions- und Diffusionstheorie...

"Outcome bias occurs when an evaluator considers ex-post outcomes when judging whether a choice was correct, ex-ante. We formalize this cognitive bias in a simple model of distorted Bayesian updating. We then examine strategy changes made by professional football coaches. We find they are more...