1. Cantillion defines an entrepreneurs an one who bears uncertainty, buys labor and materials, and sells products at uncertain prices. he is one who take risks and makes innovations on the factors of production.
2. In French concept, an entrepreneur is an adventurer, undertake, and projector. his function is to supply and accumulate capital.
3. to Schumpeter, an entrepreneur is an innovator. he does new things in a new way. he supplies new products; makes new techniques of production; discovers new markets; and develops new sources of raw materials.