2000/04 LEM Working Paper Series

Industry Life Cycle and the Evolution of an Industry Network
 
Bonaccorsi A. and P. Giuri
 
  Keywords
 
industry life cycle; entry, exit; network; vertical relations


  Abstract
 
This paper addresses the problem of the general validity of models of the industry life cycle, which have been proposed to analyse the long-term evolution of many industries, exhibiting a typical pattern of shakeout. We study a case of non shake-out in the commercial jet aero-engine industry, marked by a small number of entry events distributed over 40 years of industry evolution, by no exits and by a resulting slowly increasing number of firms. We argue that the vertical structure of the industry, as represented by the network of vertical relations between aero-engine suppliers and aircraft manufacturers, "regulated" the process of entry and exit and posed the conditions for a non shakeout to take place.


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