business firm growth;
Polya's urn;
Laplace distribution;
D O I:
10.1016/S0378-4371(02)01889-7
中图分类号:
O4 [物理学];
学科分类号:
0702 ;
摘要:
Recently from analyses on different databases the tent-shape of the distribution of firm growth rates has emerged as a robust and universal characteristic of the time evolution of corporates. We add new evidence on this topic and we present a new stochastic model that, under rather general assumptions, provides a robust explanation for the observed regularity. (C) 2002 Elsevier Science B.V. All rights reserved.