This module introduces to the functioning of economies, progressing from national to international markets. The decisions that firms, workers and consumers are making is examined in Microeconomics. Macroeconomics addresses the whole economy of a country with a view to delivering stable and sustainable economic growth. The nature of economic globalization and its many effects on firms, governments and individuals is analyzed in International Economics. A key question in all three courses of this module is when, how and why governments may want to intervene in markets in order to deliver satisfactory outcomes for society as a whole, while balancing the contradicting interests of various societal stakeholders.