In today's modern world, economic competition is important for achieving economic justice & development. The emergence of global competition, in the transition from traditional societies and from the state economy to the market economy, as well as the move from monopoly/oligopoly markets to competitive markets, necessitates the enactment of laws and regulations designed for this circumstances and on the other hand requires proper and continuous supervision of competition and regulatory bodies for the full implementation of the laws and regulations adopted by the legislatures. Therefore, investor’s consciousness and knowledge of the laws and regulations of each of the competitive industry, and the principles and techniques of negotiating with governmental administrations, regulatory bodies, firms and commercial companies, is a prerequisite for achieving business success.