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AKSOE: Physik sozio-ökonomischer Systeme

AKSOE 1: Dynamics of Groups and Organizations I

AKSOE 1.5: Talk

Friday, March 4, 2005, 12:00–12:30, TU P-N203

Multiplicative Models for Company Dynamics — •Frank Schweitzer — D-MTEC, ETH Zentrum, CH-8032 Zuerich

Since the pioneering work of Gibrat (1931) stochastic models with multiplicative noise are used to describe the growth of companies. The talk reviews current results in this field, with particular emphasis on US and Japanese firms. Further, a simple model of investment strategies is discussed.