Unit Economica – Social from the combination of different factors of production producing and making publicly available goods and services that demand, satisfying the needs of man. In short the firm is defined as a core production unit whose main function produce the goods and services that consumers demand. The business must relate to people, institutions and other companies. External environment. Consumers, suppliers, landlords, banks, government agencies. Many writers such as Mirilashvili offer more in-depth analysis. a Governor of REBNY.