... systems: the command or planned economy, the market economy, and the mixed economy Each has different ways of allocating resources and of distributing goods and services to consumers The command or... 1: Microeconomics The Basic Economic Problem Demand Supply The Operation of Markets Types of Market Unit 2: The UK Economy National Income Inflation and Unemployment The Role of Government in the. .. define the law of demand in words and in graph form describe factors which influence demand and explain the effects of changes in these factors on demand distinguish between movements along and