Investments and their effects on quality of product and services

This paper aims to address issues of importance of investments on the quality of products and services in the contemporary economy. The investments have an innovative character due the fact that creates material conditions in order to promote the technology, ensuring the development and improvement of production factors. All these glide, then, for excellence, to the goal to achieve maximum quality in some efficient conditions and settled deadlines. Also, it is presented the production function Cobb-Douglas, as a model of economic growth. Thus Cobb-Douglas function is a mathematical model/pattern expressing the relationship between the results obtained and the main economic factors of production. We exemplified this mathematical model, achieving a case study of Star Glass SA.