Although it is not possible, in general, to give a macro description of a micro model over the entire state space of the micro model, it is possible to aggregate exactly over a subspace. The set of micro states where aggregation is possible forms the aggregation set. The paper considers the...

In explaining economic phenomena, economic analysis concentrates on selected influences and fixes the host of other factors under a ceteris paribus clause. This view, which goes back to Alfred Marshall (1842-1924), is developed in the first part of the book. Aggregation is viewed as a particular...

Diese Abhandlung hat die isolierende Betrachtungsweise (ceters-paribus-Analyse) und konzeptionellen Grundlagen der aggregierten Analyse zum Gegenstand. Die Überlegungen bauen auf den Schriften von Alfred Marshall (1842-1924) und John Maynard Keynes (1883-1946) auf.