The decision to contact a physician and the decision, how often to contact a physician, are based on different decision makers. We introduce a negative binominal distributed hurdle model that specifies the two stages of the decision process as different stochastic processes, and takes also care...

This paper presents structural estimates for a bargaining model which nests the right-to-manage, the efficient wage bargaining, the seniority and the standard neo- classical labor demand model as special cases. In contrast to most existing models, our approach accounts for heterogeneous skill...

The recent availability of large data sets covering single transactions on financial markets has created a new branch of econometrics which has opened up a new door of looking at the microstructure of financial markets and its dynamics. The specific nature of transaction data such as the...

In this paper we develop a dynamic model for integer counts to capture the dis- creteness of price changes for financial transaction prices. Our model rests on an autoregressive multinomial component for the direction of the price change and a dynamic count data component for the size of the...

The EU electricity directive (96/92/EC) established the right of the member states to choose between Regulated and Negotiated Third Party Access (RTPA and NTPA). The interest group theory is able to explain whether the introduction of NTPA in Germany had been an interest group equilibrium under...

The EU electricity directive (96/92/EC) established the right of the member states to choose between Regulated and Negotiated Third Party Access (RTPA and NTPA). The interest group theory is able to explain whether the introduction of NTPA in Germany had been an interest group equilibrium under...

Dieses Papier untersucht die empirischen Effekte der Deregulierung der Kfz-Versicherungstarife durch die 3. Sachversicherungsrichtlinie der EU aus dem Jahr 1994 auf die Risikostruktur des deutschen Kfz-Versicherungsmarktes und die Betriebsergebnisse der Kfz-Versicherungsanbieter. Unsere...

This paper presents structural estimates for a bargaining model which nests the right-to-manage, the efficient wage bargaining, the seniority and the standard neoclassical labor demand model as special cases. In contrast to most existing models, our approach accounts for heterogeneous skill...