# Economics Total Revenue Represents All the Company Essay

#### Excerpt from Essay :

Economics

Total revenue represents all the company income. Total revenue is calculated by multiplying the price of products with the quantity sold. Typically, total revenue is calculated as follows:

Total revenue = price x quantity

Where price (P) and quantity (Q).

Total revenue=PxQ

As being revealed in Table 1, total revenue is calculated by multiplying price with quantity, when firm produces 2 quantities of goods, firm's total revenue is \$10, however, when a firm produces 3 quantities of goods, its total revenue is \$15.

Marginal revenue is an additional revenue that a firm generates when a firm sells additional unit of output. The marginal revenue plays an important role in the perfectly competitive firm where a perfectly competitive firm maximizes its profit when marginal revenue is equal to marginal cost. The formula used to calculate marginal revenue is:

Marginal revenue= Change in total revenue/Change quantity.

The average revenue is calculated by dividing the total revenue by the quantity produced.

The table below summarizes a firm's marginal revenue:

Table 1: Total Revenue and Marginal Revenue of a Perfect Competitive Firm (\$)

Quantity

Price

Total Revenue

Marginal Revenue

Average revenue

0

5

0

5

0

1

5

5

5

5

2

5

10

5

5

3

5

15

5

5

4

5

20

5

5

5

5

25

5

5

6

5

30

5

5

7

5

35

5

5

8

5

40

5

5

9

5

45

5

5

10

5

50

5

5

Within the perfect competitive market structure, perfect competitive firms are price takers because they have no control of the market and they receive the market price offered to them in the market. In the market competition, there are many firms selling identical products and each firm charges the same market price for the goods sold because a firm has to charge the market price to remain in business. Charging above the market price will make firms to lose its customers and charging below the market price will makes firms to lose profits.

Under perfect competition, the price is constant making firms to earn the same marginal revenue no matter the quantity of the goods sold. As being revealed in Table 1, the price is \$5 no matter the quantity sold and increase in the quantity produced will not change the price. Under perfect competition, the total revenue is the quantity produced multiplied by the price and the marginal revenue is constant which is equal to the price.

1b. Fig 1: Total Revenue, Marginal Revenue and Average Revenue of Price Taker firm

Fig 2: Marginal Revenue, Average Revenue and Total revenue of Price fixing Firm

TR

There are fundamental difference between price taker and price fixing firm. Overview the fig 1 reveals that marginal revenue and average revenue are the same and they are equal to price under the perfect competition. On the other hand, the average revenue (AR) and marginal revenue (MR) is downward slope under price fixing firm (See Fig 2). Typically, the price under monopoly (price fixing firm) faces downward slopping market demand curve. While the price of price taker remains constant, the price fixers sell additional units by lowering the price. While the marginal revenue of price taker remains the same with increase in production, the marginal revenue of price fixers declines with increase in the quantity offered to the market.

Moreover, the price is equal to marginal revenue (P=MR) under the price taker, however, the price setter take into account the production level before it sets the price. Thus, marginal revenue is not equal to price under the price setter.

1c. Price elasticity of demand measures the degree of responsiveness of demand as a result of change in price. The formula used to calculate the price elasticity of demand is as follows:

Price elasticity of demand= % Change in Quantity Demand/% Change in Price

Fig 3: Demand curves under elastic and inelastic demand

Elasticity of demand and total revenue for a producer / supplier

Under elastic demand, demand curve is vertical in slope while the demand curve for inelastic demand is downward slope. Typically, under elastic demand curve, a 20% change in price will lead to more than 20% change in demand. However, under inelastic demand, a 20% change in price will make the demand by less than 20% in demand.

2a. Marginal costs are the additional costs needed to produce…

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