A national-champions-related industrial policy has become (again) en vogue among European politicians. Against this background, our work orders different types of national champions along the industry lifecycle. Different types of locally bound externalities appear along the lifecycle. In a...

We investigate whether time-persistent cultural borders impede economic exchange across regions of the same country. To measure cultural differences we evaluate, for the first time in economics, linguistic micro-data about phonological and grammatical features of German dialects. These data are...

We propose an index of working from home (WfH) capacity for industries and counties in the German economy. Our analysis draws on individual-level survey information and administrative employment statistics. We find that overall 56 percent of jobs are suitable for part-time or fulltime remote...

We estimate the impact of Covid-induced working from home (WFH) on offline consumer spending in urban agglomerations. Our analysis draws on postcode-level data on card transactions and WFH patterns in major German cities between January 2019 and May 2022. We address endogeneity in WFH uptake by...

Marshall's student Pigou noted: It's all in Marshall. From a static point of view, this seems rather bold in a constantly changing world. However, this statement becomes more plausible in a dynamic context, where principles are subject to change. Indeed, over time, Marshall's concept of external...

Due to the COVID-19 crisis and the related "social distancing" measures, working from home (WfH) has suddenly become a crucial lever of economic activity. This paper combines survey and administrative data to compute measures for the feasibility of working from home among German employees....

We estimate the impact of Covid-induced working from home (WFH) on offline consumer spending in urban agglomerations. Our analysis draws on postcode-level data on card transactions and WFH patterns in major German cities between January 2019 and May 2022. We address endogeneity in WFH uptake by...

We evaluate the impact of a major European state aid programme for broadband deployment applied to rural areas in the German state of Bavaria in the years 2010 and 2011. Using matched difference-in-differences estimation strategies, we find that aided municipalities have – depending on...

Demographic change will be one of the major challenges for economic policy in the developed world in the next decades. In this article, we analyze the relationship between age structure and the number of startups. We argue that an individual's decision to start a business is determined by his or...