Semiparametric estimates of long memory seem useful in the analysis of long financial time series because they are consistent under much broader conditions than parametric estimates. However, recent large sample theory for semiparametric estimates forbids conditional heteroscedasticity. We show...

Econometric interest in the possibility of long memory has developed as a flexible alternative to, or compromise between, the usual short memory or unit root prescriptions, for example in the context of modelling cointegrating or other relationships and in describing the dependence structure of...

This Report examines the monetary unification of Europe and the creation of a European Central Bank. It deals first with the macroeconomics of monetary union and highlights four issues. What monetary constitution is required to deliver price stability, and do the draft statutes of the European...