After the end of World War II in 1945, millions of refugees arrived in what in 1949 became the Federal Republic of Germany. We examine their effect on today's productivity, wages, income, rents, education, and population density at the municipality level. Our identification strategy is based...

We use the prolonged Greek crisis as a case study to understand how a lasting economic shock affects the innovation strategies of firms in economies with moderate innovation activities. Adopting the 3-stage CDM model, we explore the link between R&D, innovation, and productivity for different...

The advent of cloud computing promises to improve the way firms utilize IT solutions. Firms are expected to replace large and inflexible fixed-cost investments in IT with more targeted variable spending in cloud solutions. In addition, cloud usage is expected to increase the productivity of...

This paper provides insights into the apparent seesaw between the generation of theoretical versus empirical economics research over time. A dynamic model considers the incentives of researchers to focus on empirical versus theoretical papers. It yields the main characteristics of the...

Speculative news on corporate takeovers may hurt productivity because uncertainty and threat of job loss cause anxiety, distraction, and reduced collaboration and morale among employees and managers. Using a panel of OECD-headquartered firms, we show that firm productivity temporarily declines...

I study the role of firm heterogeneity for the transmission of unconventional monetary policy in the form of "credit policy" à la Gertler and Karadi (2011). To this end, I lay out a Two-Agent New-Keynesian model with financially constrained and unconstrained firms and a financial intermediary...

Informal care reduces work on the intensive and extensive margins; however, we do not know how caregiving affects work productivity. We link two new unique national U.S. data sets to provide the first causal estimates of the effect of providing at least 80 hours of informal care in the past...

While the recent success of Africa’s ‘Lionesses’ – successful female entrepreneurs - is internationally celebrated, less is known about how liquidity can fuel the success of the ‘Lionesses’ and other businesswomen. Using information from a panel of over 800 male- and female-owned...

Firm ownership is a major determinant for the economic performance of firms, and emissions of pollutants are often by-products of industrial production. We investigate the impact of ownership on pollutant emissions of firms and their in- dustrial facilities in Europe jointly with their output,...

Our paper contributes to the discussion about Europe’s digital sovereignty. We analyze the relationship between firm performance and the diversification of sourcing countries for imported ICT goods. The analysis is based on administrative data for 3888 German manufacturing firms that imported...