sentences:  Courses at the University of Manchester interpret business economics to be concerned with the economic analysis of how businesses contribute to welfare of society rather than on the welfare of an individual or a business.This is done via an examination of the relationship between ownership, control and firm objectives; theories of the growth of the firm; the behavioural theory of the firm; theories of entrepreneurship; the factors that influence the structure, conduct and performance of business at the industry level.Italian universities borrow their concept of business economics from the tradition of Gino Zappa, for example a standard course at the Politecnico di Milano involves studying corporate governance, accounting, investment analysis, budgeting and business strategy.