We examine the relationship between the prices paid by households and their shopping patterns measured in terms of shopping frequency and the range of stores visited. We use the TNS data which allows us to control for household heterogeneity. The main contribution of the paper is that we find...

We study how the introduction of private-label brands (PLs) affects retailers' prices, demand, and profits, explicitly accounting for assortment adjustments of national brands (NBs) in retail stores. Using a detailed dataset on the U.S. beef market, we find that, when PLs are added to the...

We study a platform's design of membership and transaction fees when sellers compete and buyers cannot observe the prices and features of goods without incurring search costs. The platform alleviates sellers' competition by charging them transaction fees that increase with sales revenue, and...

Researchers are increasingly able to observe consumers’ behavior prior to a purchase, such as their navigation through a store or website and the products they consider. Such pre-purchase (or search) data can be valuable to researchers in a variety of ways: as an additional source of...

This paper presents new evidence on the question: Why don’t consumers switch electricity contracts? By conducting a large-scale survey experiment with 3% of the Danish working-age population, I have gathered data on respondents’ factual knowledge of the retail electricity market, their...

On 3 June 2020, the German government announced a temporary value added tax (VAT) rate reduction. VAT rates were reduced on 1 July 2020 and went back to their previous level on 1 January 2021. We study the price effects of the temporary VAT rate reduction using a web-scraped data set covering...

This paper reports on ongoing research on the interactions between product regulation and labor market outcomes. In particular, I summarize work on the employment effects of shop-closing regulation in the retail and other related sectors. Evidence on employment in the retail sector from Germany,...

This paper investigates the influence of the political regime on the relative importance of conspicuous consumption. We use the separation of Germany into the communist GDR and the democratic FRG and its reunification in 1990 as a natural experiment. Relying on household data that are...

We study how website defaults affect consumer behavior in the domain of charitable giving. In a field experiment that was conducted on a large platform for making charitable donations over the web, we exogenously vary the default options in two distinct choice dimensions. The first pertains to...

This paper analyses the relationship between locus of control (LOC) and the demand for supplementary health insurance. Drawing on longitudinal data from Germany, we find robust evidence that individuals having an internal LOC are more likely to take up supplementary private health insurance...