Econometric model
Using information provided by the sample the following models have been estimated, Table 1,
displays the totality of models built and estimated with respect to the relationship between the
technological index and a battery of variables containing: characteristics of the company, staff
characteristics, strategic plan, origin of the financing of the technological investments and
training strategies of the company.
The endogenous variables have been defined as the quotient between the amount of
innovations of a company and the total of innovations carried out, as has been set out in section
2 of this study.