Dieser Beitrag untersucht die gesamtwirtschaftlichen Auswirkungen der Immigration von Gastarbeitern in die Bundesrepublik Deutschland im Rahmen eines makroökonometrischen Rationierungsmodells. Das Modell beruht auf einem expliziten Aggregationsansatz über Mikromärkte, auf denen...

This paper is devoted t.o an interpretation of both vacancy data and the Beveridgecurve. Officially reported vacancy data are critically reviewed. The theoretical foundation and empirical application of the Beveridge-curve is examined. We find that the Beveridge-curve is everything but a...

This paper constitutes an interim report on the development of a macroeconometric disequilibrium model. Despite several caveats the model as it stands can be used already for two purposes. First, it is possible to investigate the models forecasting abilities. While the estimation period of the...

In this paper a variety of theories concerning the wage and price formation in Germany are tested. More specifically, wage and price equations are specified in a fairly general manner which nests several theoretical arguments (such as the target real wage bargaining model, hysteresis effects,...

In this paper, a dynamic decision model of the firm with a delayed adjustment of employment and investment is developed. Special attention is devoted to dynamic inefficiencies, i.e. underutilizations of the capital stock and labour hoarding. Market disequilibrium is introduced by allowing for a...

"Despite the currently improving economic forecasts, the present labour market situation in Germany does not look too good. Especially the high and further increasing unemployment in eastern Germany is a key problem for current economic policy. Rigidities on the labour market, which manifest...

Despite rapid economic integration and massive help from the Federal Government East German productivity catching up faded out in the nineties. This paper presents panel-data estimates of the productivity adjustment based on a production function framework and a stylized adjustment model of the...

Mit dem Konjunkturtest, dem Innovationstest und dem Investitionstest des ifo Instituts liegt ein umfangreicher Datensatz der Unternehmen des verarbeitenden Gewerbes in der Bundesrepublik Deutschland vor, der es erlaubt, detaillierte Untersuchungen des Unternehmensverhaltens durchzuführen. Diese...

Mit dem Konjunkturtest, dem Innovationstest und dem Investitionstest des ifo Instituts liegt ein umfangreicher Datensatz der Unternehmen des verarbeitenden Gewerbes in der Bundesrepublik Deutschland vor. Die Daten dieser drei Umfragen wurden hier erstmals für einen längeren Zeitraum...

In the paper, a theoretical model of the determinants of innovation behaviour and investment is developed. The model is estimated with micro-data for West- German manufacturing firms from the ifo firm panel. The empirical results reveal a positive effect from firm size and market power on...