Hotellings berühmtes "Prinzip der minimalen Differenzierung" behauptet, dass zwei Firmen, die sich miteinander in räumlichem Wettbewerb befinden, dieselbe Position wählen. Wenn man räumlichen Wettbewerb als Modellierung von Produktdifferenzierung versteht, bedeutet dieses, dass die Firmen...

We combine two extensions of the differentiated duopoly model of Dixit (1979), namely Caminal and Vives (1996) and Brander and Spencer (2015a,b), to analyze the effect of consumer learning on firms' incentives to differentiate their products in models of Cournot and Bertrand competition....

The use of well-designed improved cookstoves (ICS) in regions devoid of modern energy yields high private and social returns, mostly related to considerable woodfuel savings. Take-up rates are nonetheless often very low when people have to pay costcovering prices. This paper presents main...

This paper evaluates an intervention that randomized information letters about energy efficient investments and behaviors among 120,000 customers of two utilities in Germany. We find that conservation effects differ considerably between both utilities, ranging from a precisely estimated zero...

Energy labels have been introduced in many countries to increase consumers’ attention to energy use in purchase decisions of durables. In a discrete-choice experiment among about 5,000 households, we implement randomized information treatments to explore how energy labels influence purchasing...

The seminal studies by Allcott and Mullainathan (2010), Allcott (2011), and Allcott and Rogers (2014) suggest that social comparison-based home energy reports (HER) are a cost-effective non-price intervention to stimulate energy conservation. The present paper demonstrates the context-dependency...

Do firms under relative payoffs maximizing (RPM) behavior always choose a strategy profile that results in tougher competition compared to firms under absolute payoffs maximizing (APM) behavior? In this paper we will address this issue through a simple model of symmetric oligopoly where firms...

Including the entry decision in a Bertrand model with imperfectly informed consumers, we introduce a trade-off at the level of social welfare. On the one hand, market transparency is benefi cial when the number of firms is exogenously given. On the other, a higher degree of market transparency...

In recent years, several countries have introduced non-monetary performance incentives for health care providers to improve the quality of medical care. Evidence on the effect of non-monetary feedback incentives, predominantly in the form of public quality reporting, on the quality of medical...

Our study proposes a novel mechanism to reduce information asymmetry about product quality between buyers and sellers. Product testing organizations like Consumer Reports (US) and Stiftung Warentest (Germany) seek to reduce this asymmetry by providing credible information. However, limited...