When Is the Marginal Cost Horizontal? (2024)

Marginal cost refers to the change in total cost arising from the production of one additional unit. For example, in a manufacturing firm, the marginal cost will give a measure of the change in total costs incurred due to an incremental change in output. For discrete changes in output, these incremental changes can be represented graphically. If the total cost function is known -- or can be estimated -- the marginal cost can be seen as the derivative of your total production costs with respect to the level of output.

Marginal Cost Basics

  1. You can obtain the marginal cost by using simple math. Suppose the total cost of producing two widgets is $10, while it takes $7 to produce one unit, then the marginal cost for producing two widgets is $3. This can be repeated for three units, then four and so on. The difference will represent the marginal costs for consecutive amounts of units. You can then represent this data graphically to give your company's marginal cost curve. When you chart this information linearly, you may find that the marginal cost trends horizontally. Generally, marginal cost will be horizontal when its value is constant for each unit produced, regardless of how many units of widgets you produce.

Stability Around Unit Price

  1. If your company can figure out the volume of production required to maximize profits, you will be able to determine a marginal cost that equals your unit price. By maintaining a stable unit price, your marginal cost will trend in the same fashion irrespective of your production volume. The significance of this is that you'll have stabilized the unit price for your product, and the marginal cost will be horizontal.

Optimized Production

  1. Selling an additional unit will generate marginal revenue -- an added revenue that can be realized by optimizing your level of production. Determine how much of your resources are dedicated to producing one unit of the product and how closely your production correlates with demand for the product. This will help you in strategically setting your production volume such that your marginal cost is equal to marginal revenue. When charted linearly, both marginal revenue and marginal cost will be horizontal. Being competitive, your horizontal marginal cost curve will also represent your demand curve.

Supply Considerations

  1. Typically, your company's supply curve will be dictated by its marginal costs. If your sales can't cover the marginal cost of production, it won't be worthwhile to make the additional units, and there will be less need to increase production. Because of this relationship, your marginal cost curve also acts as your supply curve -- the factors that cause fluctuations in your company's supply of the product will affect the stability of your marginal cost.

When Is the Marginal Cost Horizontal? (2024)

FAQs

When Is the Marginal Cost Horizontal? ›

The marginal cost is horizontal when the cost of making the next unit is the same as the cost of making units prior to it.

How do you answer marginal cost? ›

Marginal cost = (Change in cost) / (Change in quantity)

The change in quantity is the increase or decrease in the volume of production. There will be a difference in cost with an increase or decrease in production. This concludes the article on the marginal cost formula, which plays an important role in production.

When marginal cost is equal to marginal revenue this is the best level of output True or false? ›

According to economic theory, a firm should expand production until the point where marginal cost is equal to marginal revenue. Beyond this point, it would incrementally cost more to make a good than then incremental revenue the company would receive.

Do you want marginal cost to be high or low? ›

If the marginal cost is lower than the price you can sell the additional product for, it may make sense to increase the level of output. But if the marginal cost is higher, it might be better to maintain or decrease the quantity of output. You can also consider raising your prices if you plan to increase production.

Why is MC horizontal in price discrimination? ›

Second Degree Price Discrimination

The product can be provided at a constant marginal cost until a rigid fixed capacity is reached; this means that the marginal cost curve will be horizontal up to the point where full capacity is reached where it becomes vertical.

What is marginal cost answer in one sentence? ›

The marginal cost refers to the increase in production costs generated by the production of additional product units. It is also known as the marginal cost of production. Calculating the marginal cost allows companies to see how volume output influences cost and hence, ultimately, profits.

What is marginal cost with an example? ›

The Importance of Marginal Cost

Marginal cost is the added cost to produce an additional good. For example, say that to make 100 car tires, it costs $100. To make one more tire would cost $80. This is then the marginal cost: how much it costs to create one additional unit of a good or service.

When marginal cost must be equal to marginal revenue? ›

The marginal revenue is the additional revenue added by increasing the quantity. This is also known as the additional revenue “at the margin.” Therefore, profit is maximized when marginal cost equals marginal revenue which is the same as saying when marginal profit equals zero.

Is marginal cost always equal to marginal revenue? ›

Answer and Explanation: Marginal revenue is not always equal to the marginal cost.

When marginal cost is equal to marginal revenue the firm should? ›

Explanation: Firms maximize their profits at the point where their marginal revenue is equal to the marginal cost M R = M C . When M R > M C , the firm is producing too little and it can earn more profits by increasing its production until the marginal revenue is equated to the marginal cost.

Is high marginal cost good or bad? ›

When marginal cost exceeds marginal revenue, it is no longer financially profitable for a company to make that additional unit as the cost for that single quantity exceeds the revenue it will collect from it. Using this information, a company can decide whether it is worth investing in additional capital assets.

Is low marginal cost good? ›

The Relationship between Marginal Cost and Revenue

If the marginal cost is lower than the marginal revenue, it indicates that producing or selling additional units will contribute positively to overall profit. This means that the revenue generated from selling the extra unit exceeds the cost incurred to produce it.

When marginal cost is rising? ›

If marginal cost is increasing, average costs are rising. As the cost of the next item produced rises, the average cost of all the items produced must also be rising. The average cost is the average of the total costs. It is the ratio of total costs and the number of goods produced.

Is marginal cost always horizontal? ›

Simply put, marginal cost is the cost of producing one additional unit of your product. And depending on where you are on the cost curve, the marginal cost can be falling, rising, or horizontal.

What does it mean when marginal cost is horizontal? ›

The marginal cost is horizontal when the cost of making the next unit is the same as the cost of making units prior to it.

Can marginal cost be a horizontal line? ›

The marginal cost curve is a horizontal line starting from the x-axis at a price (P subscript c) that is less than the y-intercept of the demand curve. The marginal cost curve is labeled MC=AC; that is, there are no fixed costs, so marginal cost equals average cost.

How do you calculate marginal formula? ›

To determine the gross profit margin, we need to divide the gross profit by the total revenue for the year and then multiply by 100. To determine the net profit margin, we need to divide the net income (or net profit) by the total revenue for the year and then multiply by 100.

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