Economic theory makes much use of marginal concepts. Marginal cost, marginal revenue, marginal rate of substitution, marginal utility, marginal product, and marginal propensity to consume are a few...
The process of identifying the benefits and costs of different alternatives by adding one extra unit of any input variable (raw materials, Machines and workers etc.) but others factors should be...
Average cost: determines the accounting profit maximisation and minimal point where the firm can remain profitable. Marginal cost: determines economic profit maximisation and minimal 'shut-down'...