Es wird vielfach vermutet, daß die Software-Industrie von starken Netzwerkeffekten geprägt ist. Doch wie hoch sind die Netzwerkeffekte wirklich? Für die Messung der Netzwerkeffekte bietet sich der hedonische Preisansatz an. Zwei Anwendungen des hedonischen Preisansatzes in der...

Standard economics omits the role of narratives (the stories that people tell themselves and others) when they make all kinds of decisions. Narratives play a role in understanding the environment; focusing attention; predicting events; motivating action; assigning social roles and identities;...

When preparing a research article, academics engage in informal intellectual collaboration by asking their colleagues for feedback. This collaboration gives rise to a social network between academics. We study whether informal intellectual collaboration with an academic who is more central in...

We present and discuss a novel dataset on informal collaboration in financial economics, manually collected from more than 5,000 acknowledgement sections of published papers. We find that informal collaboration is the norm in financial economics, while generational differences in informal...

As consumers' demand for organic products and especially organic food grows, organic certification for tropical fruit is increasingly promoted in many developing countries. Certified organic pineapple exports only started taking off after 2005 and are rapidly increasing. The organic and...

Markennamen spielen eine wichtige Rolle im Wirtschaftsleben. Doch wie hoch ist ihr Wert wirklich? Der hedonische Preisansatz ist geeignet, den Wert von Markennamen auf Produktebene zu bestimmen. Er wird in dieser Arbeit vorgestellt und auf die Surfboard-Industrie angewandt. Die...

As consumer demand for organic food grows, organic certification is increasingly promoted in many developing countries. Organic products earn a premium price on the market compared to conventional varieties. Hence, organic production is often seen as a valuable alternative for developing...

This paper uses micro-data from the World Bank Investment Climate Surveys 2002-2006 to investigate how foreign ownership and access to external finance affect the likelihood of manufacturers in emerging markets to export and/or import. Applying propensity score matching to control for...

We examine how foreign ownership of a firm affects the variety of goods that the firm exports and the number of countries it trades with. We construct a simple theoretical model of how foreign ownership may affect these extensive margins of exports and take this model to data from Germany, one...

We analyze the concentration of FDI in India at the district level, based on project-specific location choices since the reform program in the early 1990s. The decomposition property of the Theil index allows us to trace changes over time in the overall concentration of FDI to changes in...