Definition of inflation and deflation. Measurement of inflation and deflation using the Consumer Prices Index (CPI). Causes of inflation: demand-pull and cost-push. Causes of deflation: demand-side and supply-side. The consequences of inflation and deflation for consumers, workers, savers, lenders, firms and the economy as a whole. The range of policies available to control inflation and deflation and how effective they might be.
Total cost (TC), average total cost (ATC), fixed cost (FC), variable cost (VC), average fixed cost (AFC), average variable cost (AVC). Calculation of TC, ATC, FC, VC, AFC and AVC. Definition, drawing and interpretation of diagrams that show how changes in output affect costs of production. Total revenue (TR) and average revenue (AR). Calculation of TR and AR. The influence of sales on revenue. Survival, social welfare, profit maximisation and growth. Note: marginal cost is not required. Note: marginal revenue is not required.