Platforms often display their products ahead of third-party products in search. Is this due to consumers preferring platform-owned products or platforms engaging in self-preferencing by biasing search towards their own products? What are the welfare implications? I develop a structural model of...

The life-cycle hypothesis implies that consumption would not decline at retirement. However, several studies found relevant declines in food consumption after retirement for the United States. Others concluded that this contradiction of the life-cycle hypothesis is solved by allowing for broader...

This paper investigates empirically the consumer demand of environmentally relevant goods for Germany, as well as their relationship to the demand for leisure. Higher prices for energy goods like gas, electricity or fuel oil due to higher indirect taxation amongst others may have serious welfare...

This paper empirically investigates whether individuals withhold a certain amount of cash for precautionary reasons at the point-of-sale (POS) in order to be able to cover future transactions that might have to be paid for in cash. Such behaviour is costly for consumers because it imposes...

A central motivating factor for studying price markups is their effect on consumer welfare. Reported estimates of (firm-level) price markups in the literature, however, are often focused on industry or cross-country comparisons. These treat different industries equally rather than based on how...

Widespread electric vehicle adoption is considered a major policy goal in order to decarbonize the transport sector. However, potential rebound effects both in terms of vehicle ownership and distance traveled might nullify the environmental edge of electric vehicles. Using cross-sectional...

This paper analyses the behaviour of prices and supply on the German housing market taking into account the interaction between prices and quantities. A novel price index for residential property prices covering the whole country going back to 1993 is used in a macroeconomic model to estimate...

Environmental considerations are becoming increasingly important in the decision making process of consumers and producers. A credible environmental label can only be established if it is issued by a neutral or state organisation on the basis of scientifically derived criteria. This holds true...