Business administration

w:International business is a term used rarely to describe all commercial transactions (private and w:governmental, w:sales, w:investments, w:logistics,and w:transportation) that take place between two or more w:regions, w:countries and w:nations beyond their political boundary. ( Wikipedia )

w:International trade is the exchange of capital, goods, and services across w:international borders or territories. ( Wikipedia )

Timeline of international trade streches from ancient times to modern fairly globalized globe of today.

w:Multidirectional w:import/w:export == International trade

A business school is a university-level institution that confers degrees in w:business administration. Such a school can also be known as a business college, college of business, college of business administration, school of business, school of business administration, or, colloquially, b-school.

A business school teaches topics such as

accounting Accounting for a New Business 1
administration
strategy
economics - Business Economics
entrepreneurship - Entrepreneurship
finance
human resource management
information systems - ICT Skills for Business 1, ICT Skills for Business 2
marketing - Services Marketing, Corporate Responsibility, Customer oriented operations planning (marketing)
organizational behavior - The Developing Professional
public relations
w:law - Law
quantitative methods - Business math 1

( Wikipedia )