ECON1102 Chapter Notes - Chapter 3: Ceteris Paribus, Demand Curve, Inferior Good

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browngrasshopper99

20 Jul 2018

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The types and quantities of goods and services produced ultimately depend on the desires of consumers. The model of demand and supply is one of the most powerful tools in economics. The quantity demanded is the amount of a good or service that a consumer is able and willing to purchase at a given price. A demand schedule is a table that shows the relationship between the price of a product and the quantity of the product demanded. A demand curve is a graph showing the relationship between the price of a product and the quantity of the product demanded. Market demand is the demand by all consumers of a given good or service. The law of demand states that ceteris paribus holding everything else constant the quantity of a product demanded increases when the price falls and decreases when the price rises. Demand curves slope downwards because of the substitution effect and the income effect.

Related Questions

1. Suppose that a 10% increase in the wage results in a 5% reduction in employment. In this case, labor demand is said to be:

A. elastic

B. inelastic

C. unit elastic

2. Which of the following best explains why elasticity varies along a linear demand curve?

A. As the quantity of labor demanded rises, the percentage change in quantity demanded declines (for a given change in labor use) while the percentage change in wage increases.

B. As the quantity of labor demanded rises, the percentage change in quantity demanded rises (for a given change in labor use) as does the percentage change in the wage.

C. As the quantity of labor demanded rises, the percentage change in quantity demanded declines (for a given change in labor use) as does the percentage change in the wage.

D. As the quantity of labor demanded rises, the percentage change in quantity demanded declines (for a given change in labor use) while the percentage change in wage decreases

3. Labor demand is more elastic when:

A. the substitution effect resulting from a wage change is larger

B. the scale effect resulting from a wage change is larger

C. both are correct

D. none of the above

4. The scale effect associated with a change in the wage is larger when:

A. the demand for the final product is more elastic

B. labor costs are a smaller share of total costs

C. there are many close substitutes for this category of labor

D. economics of scale are present in the production of the good

5. The price elasticity of demand for the final products affects the own-wage elasticity of demand for labor by affecting the magnitude of:

A. the substitution effect that occurs in the labor market

B. the scale effect that occurs in the labor market

C. both substitution and scale effects

D. neither substitution nor scale effects

6. Unions are expected to attempt to:

A. make it more difficult to replace labor with other resources

B. reduce the elasticity of demand for the final product

C. support laws that reduce the elasticity of supply of other resources

D. all of the above.

E. none of the above

7. Unions are likely to be less successful in negotiating higher wages in those labor markets in which:

A. the demand for the final product is more elastic

B. there are few close substitutes for union workers

C. the price elasticity of supply for other factors of production is relatively high

D. labor costs comprise a small share of total costs

browncoyote590

Which of the following that will occur when the price of normal good falls?

a. The income effect and the substitution effect will work to increase the quantity demanded of goods whose price decreases due to an increase in purchasing power.

b. The income and substitution effect will work towards decreasing the demand of consumers because the purchasing power will relatively decrease from the fall of the price.

c. The substitution effect expresses that the sales of goods whose price rises to increase.

d. None of the above.

periwinkleraccoon191

When demand for a good is very elastic, revenue ________ when the price falls.

(2)

An elasticity measure less than one means that demand is __________.

(3)

An elasticity measure greater than one means that demand is __________.

(4)

The Latin expression ceteris paribus means

	having made all other necessary changes.
	holding constant all other variables.
	assuming all households have similar incomes.
	given the level of income in the economy.

(5)

A variable measured in terms of money is called a ____________________.

	real variable
	nominal variable
	macroeconomic variable
	microeconomic variable

(6)

Which of the following is true about the importance of money in economics?

	Money is important in both macroeconomics and microeconomics.
	Money is important in macroeconomics but not microeconomics.
	Money is important in microeconomics but not macroeconomics.
	Money is not important in either microeconomics or macroeconomics.

(7)

What is the difference between normative and positive economics?

	Positive economics is descriptive and predictive; normative economics is prescriptive.
	Positive economics highlights the positive aspects of the economy; normative economics highlights the average features.
	Positive economics studies the actions of individuals; normative economics studies the actions of households.
	Positive economics is an applied social science; normative economics is a theoretical social science.

(8)

The slope of the demand curve is negative because

	the quantity of a good demanded decreases as income declines.
	the quantity of a good demanded increases as income declines.
	the quantity of a good demanded increases as the price declines.
	the quantity of a good demanded decreases as the price declines.

(9)

What is the result of an increase in the price of bread, a normal good?

	The demand curve shifts to the right.
	The demand curve shifts to the left.
	The quantity demanded increases.
	The quantity demanded decreases.

(10)

What is the effect on demand for bread when the price of bagels, a substitute for bread, rises?

	The demand curve for bread shifts to the right.
	The demand curve for bread shifts to the left.
	The quantity of bread demanded increases.
	The quantity of bread demanded decreases.

(11)

Which of the following would cause the supply curve for bread to shift inward?

	An increase in the price of bread
	An increase in the price of bagels
	A decrease in the price of bread
	An increase in the price of flour

(12)

An improvement in technology shifts the supply curve outward because

	at every price, firms find producing the good to be more profitable.
	the price of the good increases.
	at every price, firms find producing the good to be less profitable.
	the price of the good decreases.

(13)

Which of the following factors does not affect how much bread a baker is willing to produce?

	The price of bread
	The demand for bread
	The cost of inputs
	Technology

(14)

How do expectations of prices affect how much of a good producers are willing to sell?

	Expectations of prices affect only demand, not supply.
	Actual prices, not expectations of prices, affect supply.
	If producers expect prices to fall in the future, they supply less at every price.
	If producers expect prices to rise in the future, they supply less at every price.

(15)

When the price of a good is above equilibrium level,

	the quantity demanded exceeds the quantity supplied.
	the quantity supplied exceeds the quantity demanded.
	the supply curve shifts to the left.
	the supply curve shifts to the right.

(16)

At a price of P₀ in the diagram below, which of the following statements is true?

	Supply equals demand.
	There is excess demand.
	There is excess supply.
	There is scarcity.

(17)

If demand for bread increases at every price, the equilibrium price of bread will

	fall.
	rise.
	remain unchanged.
	depend on income.

(18)

If the demand for bread declines, then

	at the original equilibrium price, there is excess demand.
	at the original equilibrium price, there is excess supply.
	the supply curve shifts to the right.
	the supply curve shifts to the left.

(19)

Peanut butter and jelly are complementary goods. When the price of peanut butter rises, the demand for jelly ________ and the price of jelly ________.

	rises; falls
	rises; rises
	falls; rises
	falls; falls

(20)

The measure of elasticity that economists use is

	always a positive number.
	always a negative number.
	positive when demand is elastic and negative when demand is inelastic.
	negative when demand is elastic and positive when demand is inelastic.

(21)

Which of the following formulas is the correct expression for the slope of a line?

(22)

Graphically how would an increase in income affect the demand for hamburgers?

	The slope of the demand curve would increase.
	The slope of the demand curve would decrease.
	The demand curve would shift outward, parallel to the original demand curve.
	The demand curve would shift inward, parallel to the original demand curve.

(23)

Given the equation P = $6.00 ? $.40Q, where P is the price of the good and Q is the quantity of the good demanded, how many units will this consumer demand if the price is $3.60?

	1.44 units
	3 units
	3.6 units
	6 units

(24)

Which of the following is true about unit elasticity?

	Revenues remain unchanged when the price changes.
	Elasticity of demand increases as one moves down the demand curve.
	Elasticity of demand decreases as one moves down the demand curve.
	The elasticity of demand is greater than one at every point along the demand curve.

(25)

Which of the following could be a determinant of the quantity demanded of a good?

	The price of the good
	The price of related goods
	Income
	Expectations about the future price of the product
	All of the above

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ECON1102 Chapter Notes - Chapter 3: Ceteris Paribus, Demand Curve, Inferior Good

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