A Master of Business Administration (MBA; also Master's in Business Administration) is a graduate degree focusing on business administration and investment management. The core courses in an MBA program cover various areas of business administration such as accounting, applied statistics, human resources, business communication, business ethics, business law, business strategy, finance, managerial economics, management, entrepreneurship, marketing, supply-chain management, and operations management in a manner most relevant to management analysis and strategy. It originated in the United States in the early 20th century when the country industrialized and companies sought scientific management.