This paper evaluates the effect of the Russian invasion of Ukraine in February 2022 on refinery margins, i.e. the difference between wholesale prices for road fuels (gasoline and diesel) and oil prices in Europe and Germany in particular. Following the Russian invasion of Ukraine, wholesale road...

Many Central banks around the world are considering the introduction of a Central Bank Digital Currency (CBDC) as a new means of payment. One of the reasons for introducing a CBDC is a change in payment behavior towards an increasing use of electronic forms of payment. This paper examines the...

Competition authorities increasingly rely on economic screening tools to identify markets where firms deviate from competitive norms. Traditional screening methods assume that collusion occurs through secret agreements. However, recent research highlights that firms can use public announcements...

This paper evaluates the temporary reduction in energy taxes implemented by the German government between June and September 2022. We use pricing and quantity data from the wholesale market for crude oil, gasoline, and diesel and find an average pass through of 80% to 85% of the tax cut, which...

Utilizing Connor's International Cartel Database and employing difference-in-differences methodology, we find that market concentration, the number of buyers and cartel duration have significant impacts on cartel overcharges. We also find that the European Commission's 2006 guidelines on the...

Households differ in their consumption baskets and inflation rates along the wealth and income distribution. We use German data to show that subsistence consumption is a main driver of these differences: the share of subsistence consumption in overall consumption is significantly higher for...

We analyze infinitely repeated multiplayer prisoner's dilemmas in continuous-time experiments. As the number of players changes, our design keeps the payoffs of the all-defection, all-cooperation, and unilateral- defection and -cooperation outcomes constant, thus controlling for the minimum...

Information unraveling is an elegant theoretical argument suggesting that private information is voluntarily and fully revealed in many circumstances. However, the experimental literature has documented many cases of incomplete unraveling and has suggested limited depth of reasoning on the part...

We investigate how strongly the local environment beyond the family can contribute to understanding the formation of children's economic preferences. Building on precise geolocation data for around 6000 children, we use fixed effects, spatial autoregressive models and Kriging to capture the...

To test the localized tastes hypothesis, we use historical dialect similarity as an instrument to predict the persistent component of regional taste differences. Analyzing wholesale markets for fruits and vegetables in Japan, we find that predicted taste differences have a strong, statistically...