The self-employed constitute a large proportion of the workforce in developing countries and the sector is growing. Different accounts exist as to the causes of this development, with pull factors such as high returns to capital contrasted with push factors such as barriers to more desirable...

Using machine learning methods in a quasi-experimental setting, I study the heterogeneous effects of introducing waste prices - unit prices on household unsorted waste disposal - on waste demands and social welfare. First, using a unique panel of Italian municipalities with large variation in...

Matching has become a popular approach to estimate average treatment effects. It is based on the conditional independence or unconfoundedness assumption. Checking the sensitivity of the estimated results with respect to deviations from this identifying assumption has become an increasingly...

This study analyses the behavioural response of travellers on a temporal reduction of public transport prices in Germany through the so-called 9 Euro Ticket during summer 2022. The focus is on the inertia effect, e.g. the resistance to change behaviour, on people's travel mode decisions for...

Using a binary reference series based on the dating procedure of Artis, Kontolemis and Osborn (1997) different procedures for predicting turning points of the German business cycles were tested. Specifically, a probit model as proposed by Estrella and Mishkin (1997) as well as Markov-switching...

Estimating labor supply functions using a discrete rather than a continuous specification has become increasingly popular in recent years. On basis of the German Socioeconomic Panel (GSOEP) I test which specification of discrete choice is the appropriate model for estimating labor supply: the...

Mit Daten des Sozio-oekonomischen Panels für das Jahr 2002 wird gezeigt, dass die jüngere Generationmit ihrer finanziellen Alterssicherung deutlich unzufriedener ist als die ältere. Dieser Effekt ist unabhängig von der ökonomischen Situation der Befragten, weist also darauf hin, dass es...

Die aktuelle Diskussion über den Risikostrukturausgleich (RSA) zwischen den Gesetzlichen Krankenkassen konzentriert sich auf die Frage, ob zusätzlich Morbiditätsmerkmale berücksichtigt werden sollen. Vorliegende Studien deuten darauf hin, dass Kassenwechsler im Durchschnitt bessere Risiken...

Much progress has been made in recent years on developing and applying a direct measure of utility using survey questions on subjective well-being. In this paper we explore whether this new type of measurement can be fruitfully applied to the study of interdependent utility in general, and...

The article argues that IT continues to have strategic relevance for companies because it enables innovation. A conceptual link between the adoption of IT and innovation is established. This conceptual link allows a market-based, economic explanation for variations in IT payoffs among firms: The...