What four basic functions does the entrepreneur perform for the economy?

Please provide the best answer for the statement.

First, the entrepreneur takes the initiative in combining resources to produce a product. In this way the entrepreneur is a catalyst for production in the economy. Second, the entrepreneur makes basic business policy decisions that set the course for the business enterprise. Third, the entrepreneur will introduce new or improved products to the market place or develop new forms of business organization. In this role, the entrepreneur serves as an innovator for the economy. Fourth, the entrepreneur bears the risk in terms of time, effort, and invested funds. A market economy has no guarantee of profits for the entrepreneurs, but it is the expectation of profit that gives incentives to the entrepreneur to bear risk.