Abstract. Over time there was a diverse and continually evolving methods of business development beyond the country of origin, from the traditional export with the center to the complex leading to today's concept of international investment. The level of humanity development known today results from an ongoing investment in various forms. Different ways of measuring the efficiency of investment and investment level were the subject of discussions since the beginning of economic science, leading today that investment hold a great significance because of the dynamics of the economic development and economic growth, and also because of the great inequalities, given by the information asymmetry. In this paper we first proposed to explore the determinants of investment that lead to making the investment decision and in the second part we analyze the competitive economic environment with regard to Romania and its implications for economic growth and investment decision.

Keywords: investment decision; competitiveness; economic growth.