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In economics, the marginal cost is the change in the total cost that arises when the quantity produced is increased, i.e. the cost of producing additional quantity. [1] In some contexts, it refers to an increment of one unit of output, and in others it refers to the rate of change of total cost as output is increased by an infinitesimal amount.
To deal with over-production, Pigou recommends a tax placed on the offending producer. If the government can accurately gauge the social cost, the tax could equalize the marginal private cost and the marginal social cost. In more specific terms, the producer would have to pay for the non-pecuniary externality that it created.
The total cost curve, if non-linear, can represent increasing and diminishing marginal returns.. The short-run total cost (SRTC) and long-run total cost (LRTC) curves are increasing in the quantity of output produced because producing more output requires more labor usage in both the short and long runs, and because in the long run producing more output involves using more of the physical ...
Diminishing marginal product ensures the rise in cost from producing an additional item (marginal cost) is always greater than the average variable (controllable) cost at that level of production. Since some costs cannot be controlled in the short run, the variable (controllable) costs will always be lower than the total costs in the short run.
Both the marginal cost and marginal revenue are extremely important in economics as a firm's profit is maximized when the marginal cost is equal to the marginal revenue. [26] Managers can make business decisions on the output level based on this analysis in order to maximize the profit of the firm.
The corresponding point on the supply curve measures marginal cost, the increase in total cost to the supplier for the corresponding unit of the good. The price in equilibrium is determined by supply and demand. In a perfectly competitive market, supply and demand equate marginal cost and marginal utility at equilibrium. [21]
At the highest level of generality, a marginal cost is a marginal opportunity cost. In most contexts, marginal cost refers to marginal pecuniary cost, that is to say marginal cost measured by forgone money. A thorough-going marginalism sees marginal cost as increasing under the law of diminishing marginal utility, because applying resources to ...
The explicit costs are the wages and materials needed to fund soldiers and required equipment, whilst an implicit cost would the lost output as resources are direct from civilian to military tasks. Opportunity cost at a government level example. Another example of opportunity cost at government level is the effects of the Covid-19 pandemic.