Two key resources here:
1.1.2 Nature and Purpose of Economic Activity
1.1.4 Scarcity Choice and Allocation
1.2.2 Price Income and Cross Elasticities (PED, YED, XED)
1.2.4 Price Elasticity of Supply (PES)
1.2.5 Determinants of Market Equilibrium
1.2.6 Interrelationships between markets
1.3.1 Production and Productivity
1.3.2 Specialisation and Division of Labour
1.3.4 Economies and Diseconomies of Scale
1.3.5 Costs Revenues and Profits
1.5.2 Meaning of Market Failure
1.5.3 Public Private and Quasi-Public Goods
1.5.4 Positive and Negative Externalities
1.5.7 Inequitable Distribution