This paper empirically analyzes the effect of the widely used agency model on the retail prices of e-books in United Kingdom. Using a unique cross-sectional data set of e-book prices for a large sample of book titles across all major publishing houses, we exploit cross-genre and cross-publisher...

We analyze the substitutability between brick-and-mortar stores and e-Commerce. Using a novel data set on the German book market we find that between 26 and 55% of the decrease in book sales from 2014-2017 can be explained by the decrease in the number of bookstores. This indicates that...

We empirically analyze the role of e-Commerce and brick-and-mortar retailers in discovering new bestsellers in the book market, using the German market as an example. Using an AR(1)-Process, we find that when a title becomes a bestseller sales increase in e-Commerce and decrease in...

This paper empirically analyzes the impact of leadership communication on the COVID-19 vaccination rate using a quasi-experimental design. Based on a speech of the President of France, Emmanuel Macron, we examine how political leaders can in uence the willingness to get vaccinated of a country's...

This article investigates the efficiency of the roll-out of Covid-19 vaccinations when vaccines are scarce. Using Germany as an example, we find considerable differences across federal states in terms of efficiency, defined as the ability to get most vaccinations out of a given number of...