Marginal Revenue Essay

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Economists use the terms marginal revenue, marginal cost, profit and variations of each quite frequently, but what do they mean and how do they relate to each other? More importantly how do they relate to the concept of profit maximization and what exactly is a profit-maximizing firm? This essay will attempt to define these terms and explain their relevance to each other in the business world. To begin with, marginal revenue is the change in total revenue that occurs when a firm sells one more unit of output. Thus defined, marginal revenue is extra revenue. Revenue is money the firm receives from the sale of products. A unit of output is a product or service that is offered for sale by the firm. Total revenue is the total amount of money earned from the sale of the firm’s goods or services. When a firm sells one extra unit of output, or product, the revenue earned from this sale is called marginal revenue. Marginal revenue is figured by dividing the change in total revenue by the change in output quantity. Next we define marginal cost as the change in total cost that occurs when the firm produces one more unit of output. Cost is defined as the amount of money that a firm pays to produce their goods or services. Total cost is all the money spent to produce the good or service that a firm provides. Total cost includes labor costs and capital costs. Labor costs are the wages paid to their employees and capital costs are the costs incurred by machinery, tools, rental of manufacturing space, and other costs of production that are not labor related. Marginal cost is determined by dividing the change in total cost by the change in output quantity. Not to be confused with revenue, profit is the amount of money that the firm makes minus the costs of production, that is after wages are paid and other non-labor costs are deducted. Thus, profit is the net gain

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