This paper addresses the question why a lot of firms demand stricter environmental regulation. With non-identical producers within the same industry, lobbying for tighter environmental rules turns out to be an important strategy of raising rivals' costs. Furthermore, the paper explains when the...

In diesem Aufsatz wird die nichtparametrische Autoregression auf die Prognose von Quantilen angewendet. Verfahren der Kernregression werden benutzt, um zu autoregressiven Quantiisschätzern zu gelangen. Da die üblichen Maße zur Beurteilung der Prognose, wie etwa der mittlere quadratische...

This paper considers trade policies and welfare in a Harris-Todaro model with risk averse workers. Workers are assumed to have identical and homothetic preferences, but their incomes differ, depending on whether and where they are employed. When workers are equally weighted, maximizing social...

The simple Ricardian model explains the comparative cost advantage by a relative productivity advantage of the single factor of production. This model is tested in this paper using microdata of the german business survey. In a first approach labour is being considered to be the only factor of...

This paper analyses the effects of cuts in the marginal tax rates on income from labour and capital on the macroeconomy and on the intergenerational distribution of welfare in a small open economy. For this purpose we set up a computable general equilibrium model incorporating overlapping...

We develop a model of international trade with increasing returns to scale by taking into account the possibility of cooperation among agents in an egalitarian economy. It is shown that each country gains from trade in a trading world in which there are arbitrary numbers of...

Zur Analyse saisonbehafteter Zeitreihen stehen heutzutage eine größere Anzahl von unterschiedlichen methodischen Ansätzen und auch von fertigen Software-Systemen zur Verfügung. Für die praktischen Anwendungen spielen nicht nur methodische Gesichtspunkte, sondern teilweise auch rein...