Microeconomic theory and practice?

What is demand?

What is supply?

The interaction of supply and demand in determining market equilibrium?

Perfect competition ?

Monopoly ?

Monopolistic competition ?

Oligopoly ?

Costs of production according to economic theory ?

Marginal revenue and maximisation of profit ?

The use of market prices to guide firm entry and exit in a perfectly competitive market ? How monopolies maximise profits ?

How firms in monopolistic competition maximise profits ?

How oligopolies maximise profits?

Market failure through asymmetric information ?

Market failure through externalities?