What is marginal revenue and marginal cost?
Andrew Campbell
Updated on January 05, 2026
Marginal revenue is the amount of revenue one could gain from selling one additional unit. Marginal cost is the cost of selling one more unit.
What is the marginal revenue curve?
The marginal revenue curve is a horizontal line at the market price, implying perfectly elastic demand and is equal to the demand curve. The marginal revenue curve is downward sloping and below the demand curve and the additional gain from increasing the quantity sold is lower than the chosen market price.
Is the change in total revenue resulting from an increase in sale by an additional unit of the product *?
Marginal revenue is the extra revenue earned by producing and selling one extra unit of output. Thus its calculated as the difference between the revenue of the nth unit and the (n-1)th unit.
What is the relationship between marginal revenue and average revenue?
The relationship between average revenue and marginal revenue is the same as between any other average and marginal values. When average revenue falls marginal revenue is less than the average revenue. When average revenue remains the same, marginal revenue is equal to average revenue.
How do you calculate change in total revenue?
To calculate the revenue percentage change, subtract the most current period’s revenue from the revenue for your earlier period. Then, divide the result by the revenue number from the earlier period. Multiply that by 100, and you’ll have the revenue percentage change between the two periods.
What does this mean in terms of marginal revenue?
Marginal revenue (MR) is the increase in revenue that results from the sale of one additional unit of output. In economic theory, perfectly competitive firms continue producing output until marginal revenue equals marginal cost.
What is the difference between profit and revenue?
Revenue is the total amount of income generated by the sale of goods or services related to the company’s primary operations. Profit is the amount of income that remains after accounting for all expenses, debts, additional income streams, and operating costs.
What does a price elasticity of 1 mean?
When the value of elasticity is greater than 1.0, it suggests that the demand for the good or service is affected by the price. A value that is less than 1.0 suggests that the demand is insensitive to price, or inelastic.
What is the formula to calculate revenue?
A simple way to solve for revenue is by multiplying the number of sales and the sales price or average service price (Revenue = Sales x Average Price of Service or Sales Price).