The main purpose of our paper is to present a model which allows a comparison of different types of technology policies to be made. It appears that there is a kind of model which is appropriate to that purpose but which belongs to the theory of the firm. Indeed, one of the characteristics of...

This paper aims to study those firms which have similar characteristics at the beginning of time. The objective is to observe the relation that exists between technological evolution, firms' performances, and economic instability. This is done using an adaptation of the Nelson and Winter model,...