3.1.1 - Economic Methodology and the Economic Problem, 3.1.2 - The Nature and Purpose of Economic Activity, 3.1.4 - Scarcity, Choice and the Allocation of Resources...
2.1 The determinants of demand for goods and services, 2.2 Price, income and cross-elasticities of demand, 2.3 The determinants of the supply of goods and services...