This paper offers a reappraisal of the inflation-unemployment tradeoff, based on ?frictional growth,? describing the … effects. Although our theory contains no money illusion, no permanent nominal rigidities, and no departure from rational … expectations, there is a long-run inflation-unemployment tradeoff. Our empirical analysis suggests that this Phillips curve may be …

emerging and developing countries. This fact is surprising considering the background of relatively low local advertising …Das internationale Werbefestival in Cannes ist einer der wichtigsten internationalen Gradmesser für kreative Werbung …

This paper develops the advertising-sales model in continuous time with a view to studying the consequences of temporal … aggregation for estimation. Difficulties arising from temporal aggregation are shown to correspond to the problem of unobservables …

likelihood estimation (MLE) or iterated least squares. However, relative to simple, two-step procedures, these approaches require …

Unemployment in Germany strongly increased in 2005. Beside other influences a labor market reform that came into force … in 2005 (Hartz IV reform) was ascribed to redistribute hidden to open unemployment. Using different methodological … approaches and data sets this article analyses the scale of this change from hidden to open unemployment in West Germany. Yet …