Economics Essay

According to the feedback given by the teacher and what I’ve learned so far, please help me revise the economics essay.

The essay is based on what I’ve learned so far, so far I’ve learned :

Supply, demand and the market mechanism/ Elasticities of demand and supply/consumer theory and maximizing behavior/ production theory/costs of production and maximizing behavior/market structures: perfect competition, monopoly, monopolistic competition, oligopoly, and market failure