Novelty of the work consist in the following points. Systematic analysis of macro- and micro-objects interacting within the single economic environment, including the influence of the macro-object on the development of science and technology parks, especially the influence of the country's macro policy in the field of innovations on the development of the science and technology parks. Estimation of the contribution of the small enterprises into the country's GDP and assessment of the development trends. The work proposed directions of the small enterprises' development and trends for the changing of the institutional mechanisms and evolution of the country's policy, also there have been created an algorithm for choosing the type of innovation.