Ein Standardwerk in Arbeitsmarktökonomie, 16 Jahre Präsident des ZEW, 15 Jahre im Rat der Wirtschaftsweisen und vier Jahre sein Vorsitzender. Dazu unzählige Paper, Debattenbeiträge, Auszeichnungen. Prof. Dr. Dr.…

This paper explores the effect of own and peer attractiveness on various measures of academic performance. Using data from the National Longitudinal Survey of Adolescent Health (Add Health), we focus on high…

Does large-scale refugee immigration affect crime rates in receiving countries? We address this question based on the large and unexpected refugee inflow to Germany that peaked in 2015–2016. Arriving refugees…

The properties of emerging, digital, and general-purpose technologies make it hard to empirically capture adoption by firms and theoretically its determinants. This study builds on epidemic models of inter-firm…

How do patient and provider incentives affect the provision of long-term care? Our analysis of 551 thousand nursing home stays yields three main insights. First, Medicaid-covered residents prolong their stays…

Consumers acquire information through their own search efforts or through word-of-mouth
communication within their social network. Information diffusion leads to free-riding and
less active search. Free-riding…

Public support schemes are typically targeted towards capital investments. However, the targeting of digitization investments might not only be a missed opportunity to increase the usage of state-of-the-art…

Start-up subsidies play an important role in supporting start-up innovation and performance. However, what characteristics help and hinder start-ups to seek public subsidies remains unclear. We study whether and…