A Level Economics · Edexcel (Economics A, 9EC0)
Extended EconomicsA Level · Edexcel Economics A

Theme 3 · Microeconomics · Papers 1 and 3

Business behaviour and the labour market

Microeconomics inside the firm. How costs, revenue and profit behave, how the market structure a firm sits in shapes its choices, and how wages and employment are set in the labour market.

Topics in this theme

Topic pages

3.1

Business growth

Why firms grow or stay small, organic versus integrated growth, and the reasons some demerge.

Content coming

3.2

Business objectives

Profit maximisation and the alternatives: revenue maximisation, sales maximisation, and satisficing.

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3.3

Revenues, costs and profits

Total, average and marginal revenue and cost; short-run and long-run costs; economies and diseconomies of scale; normal and supernormal profit.

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3.4

Market structures

Perfect competition, monopolistic competition, oligopoly, monopoly and monopsony; efficiency, contestability and price discrimination.

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3.5

The labour market

The demand for and supply of labour, wage determination, and the effects of a minimum wage and of monopsony employers.

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3.6

Government intervention

Competition policy, regulation of monopoly and the labour market, and the limits of intervention.

Content coming

The template

Diagram-heavy theme: cost and revenue curves, and the market-structure diagrams, do a lot of the work here. Each page follows the worked example in Theme 1.