Tests of causality in variance in multiple time series have been proposed recently, based on residuals of estimated univariate models. Although such tests are applied frequently little is known about their power properties. In this paper we show that a convenient alternative to residual based...

The paper analyzes the dynamic effects of anticipated price increases of imported raw materials upon two large open economies. It is assumed that the economies have an asymmetric macroeconomic structure on the supply side and are dependent upon a small third country for oil or raw materials...

In many countries the provision of the performing arts is assigned to the public sector. Public theaters cover most of their costs by subsidies rather than ticket sale. Moreover, relatively low utilization of capacity suggests that there are large and persistent over-capacities in the market. In...