%0 Generic %A Albu, Lucian-Liviu %D 1986 %F mpra:13919 %K intangible investment, catastrophe theory, structural stability, rapid variable, slow variable %P 121-126 %T Un modèle d’analyse de la modification structurelle des investissements par stades de développement économique %U https://mpra.ub.uni-muenchen.de/13919/ %V 30 %X Empirical data show during the historical process of economic development profound structural changes in economy. One of the most important movements is from stages where the so-called tangible investments are predominant to those where intangible investments become predominant. Applying some results derived from the so-called Catastrophe Theory we try to demonstrate that in modern era by changing dramatically the structure of investment countries could obtain jumps from inferior stages of economic development to more advanced stages in a short historical period.