The classical approach to testing for structural change employs retrospective tests using a historical data set of a given length. Here we consider a wide array of fluctuation-type tests in a monitoring situation – given a history period for which a regression relationship is known to be...

The recent renaissance of business cycle analysis has led to a renewed interest in business cycle classification as pioneered by Burns/Mitchell, Spiethoff and resumed in the seventies by Meyer/Weinberg (1975a, b). The rather successful elaboration and test of a “modern” four-phase...