01:220:102 Chapter Notes - Chapter 6: Inferior Good, Normal Good, Midpoint Method

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3 Oct 2016

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To earn significant profits, you need to know the price elasticity of demand (used to predict relationship between rise in price and increase in revenue) The price elasticity of demand is the ratio of the percent change in the quantity demanded to the percent change in the price as we move along the demand curve. The law of demand says that demand curves are downward sloping, so price and quantity demanded always move in opposite directions. The midpoint method is a technique for calculating the percent change. In this approach, we calculate changes in a variable compared with the average, or midpoint, of the starting and final values. The case of a zero price elasticity of demand is known as perfectly inelastic demand. Demand is perfectly inelastic when the quantity demanded does not respond at all to changes in the price. When demand is perfectly inelastic, the demand curve is a vertical line.

Related Questions

A perfectly elastic demand implies that:

(i) any rise in price above that represented by the demand curve will result in a quantity demanded of zero.

(ii) buyers will not respond to any change in price.

(iii) quantity demanded and price change by the same percent as we move along the demand curve.

(iv) the price will rise by an infinite amount when there is a change in quantity demanded.

beigereindeer595

Most economists report the elasticity of demand as:

a. the absolute value of the actual number.

b. a negative number, since price and quantity demanded move in opposite directions.

c. a percentage, since both the numerator and denominator are percentages.

d. a dollar amount, since we are measuring the change in price.

jadegoat188

Question 1

If economic profits are zero

		accounting profits is less than the cost of capital.
		accounting profit is just covering the cost of capital.
		the cost of capital is negative.
		the entrepreneur should go to his/her next best alternative.

3 points

Question 2

Markets provide

information.

prices.

incentives.

all of these choices.

3 points

Question 3

The entrepreneur is always searching for

positive profit.

normal profit.

accounting profit.

economic profit.

3 points

Question 4

Social regulations can create

a more competitive market place.

network externalities.

a lower HHI.

barriers to entry.

3 points

Question 5

According to economic theory, profits are maximized where

total revenue equals total cost.

marginal revenue equals marginal cost.

price and average cost are equal.

where marginal product and average cost are equal.

3 points

Question 6

Brand names help

create commodities.

maintain market power.

create competition.

keep economic profits at zero.

3 points

Question 7

Entry of new firms causes

accounting profits to go to zero.

market share to grown.

economic profits to go to zero.

total revenue to be maximized.

3 points

Question 8

Fixed costs

do not vary with output

vary with output

do not vary with price

vary with price

3 points

Question 9

Variable costs

do not vary with price.

do not vary with output.

vary with price.

vary with output.

3 points

Question 10

Value maximization means

		that managers make decision so as to increase the long-run market value of the financial claims on the firm.
		that a firm should make products that have the highest price.
		that managers make decision so as to increase the short-run market value of the financial claims on the firm.
		all of these choices.

3 points

Question 11

A manager can determine if her product is viewed as a normal good or an inferior good by considering

price elasticity.

cross elasticity.

income elasticity.

advertising elasticity.

3 points

Question 12

If demand is perfectly elastic,

		the smallest increase in price will cause quantity demanded to fall to zero.
		the smallest increase in price will cause demand to fall to zero.
		the smallest increase in price will cause quantity demanded to fall.
		the smallest increase in price will cause demand to fall.

3 points

Question 13

If demand is perfectly elastic, then

demand and price are inversely related.

quantity demanded and price are inversely related.

the demand curve is a vertical line.

the demand curve is a horizontal line.

3 points

Question 14

If price elasticity is 3.25 then

		for every one percent change in price, there will be a 3.25 percent change in quantity demanded.
		for every one percent change in price, there will be a 3.25 percent change in demand.
		for every one percent change in price, there will be a 32.5 percent change in quantity demanded.
		for every one percent change in price, there will be a .0325 percent change in quantity demanded.

3 points

Question 15

If price elasticity is 3.25, then demand is

inelastic.

elastic.

unitary.

negative.

01:220:102 Chapter Notes - Chapter 6: Inferior Good, Normal Good, Midpoint Method

01:220:102 Full Course Notes

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Related Questions

		positive profit.
		normal profit.
		accounting profit.
		economic profit.

		a more competitive market place.
		network externalities.
		a lower HHI.
		barriers to entry.

		total revenue equals total cost.
		marginal revenue equals marginal cost.
		price and average cost are equal.
		where marginal product and average cost are equal.

		create commodities.
		maintain market power.
		create competition.
		keep economic profits at zero.

		accounting profits to go to zero.
		market share to grown.
		economic profits to go to zero.
		total revenue to be maximized.

		do not vary with output
		vary with output
		do not vary with price
		vary with price

		do not vary with price.
		do not vary with output.
		vary with price.
		vary with output.

		price elasticity.
		cross elasticity.
		income elasticity.
		advertising elasticity.

		demand and price are inversely related.
		quantity demanded and price are inversely related.
		the demand curve is a vertical line.
		the demand curve is a horizontal line.

		information.
		prices.
		incentives.
		all of these choices.

		inelastic.
		elastic.
		unitary.
		negative.