This paper employs concepts from information theory to choosing the dimension of a data set. We calculate relative measures of information in the data in terms of eigenvalues and derive criteria to determine the `optimal' size of the data set, in particular whether an extra variable adds...

In this study we construct a business cycle indicator for the Netherlands. The Christiano-Fitzgerald band-pass .lter is employed to isolate the cycle using the de.nition of business cycle frequencies as waves with lengths longer than 3 years and shorter than 11 years. The main advantage of...

This study analyses the dynamic characteristics of staffing employment across di¤erent business sectors and across different geographical regions in the Netherlands. We analyse a micro data set of the market leader of the Dutch staffing employment market, Randstad. We apply the dynamic factor...