Wednesday, May 26, 2010

ECO401 MID May 2010

Today Paper (26-05-2010)

1. How can a firm transfer from monopolistic competition to perfect competition? (3)
2. Advantages and disadvantages of monopoly. (5)
3. define Isoquant and how can its analysis help a firm? (5)

Another Paper:-

These Questions were in my todays ECO401's paper

1.explain the difference between extrnal economies of scale and diseconomies of scale with the help of examples? (5)
2.define non-price competetion.why monoplists engage in it? and why competetive firms do not engage in it? (5)
3.difference between long run and short run firms on the bases of profit maximization? (3)



Another Paper:-

Question No: 1 ( Marks: 1 ) - Please choose one
Microeconomics is the branch of economics that deals with which of the following topics?



► The behavior of individual consumers.

► Unemployment and interest rates.

► The behavior of individual firms and investors.

► The behavior of individual consumers and behavior of individual firms and investors.



Question No: 2 ( Marks: 1 ) - Please choose one

A market is said to be in equilibrium when:

► Demand equals output.

► There is downward pressure on price.

► The amount consumers wish to buy at the current price equals the amount producers wish to sell at that price.

► All buyers are able to find sellers willing to sell to them at the current price.



Question No: 3 ( Marks: 1 ) - Please choose one

In order to calculate the price elasticity of supply, you need to know:



► Two prices and two quantities supplied.

► The slope of the supply curve.

► The equilibrium price and quantity in the market.

► The quantity supplied at two different prices, all else equal.



Question No: 4 ( Marks: 1 ) - Please choose one

A demand curve is price elastic when:



► Changes in demand are proportionately greater than changes in price.

► Changes in demand are equal to changes in price.

► None of the given options.

► Changes in demand are proportionately smaller than changes in price.



Question No: 5 ( Marks: 1 ) - Please choose one

Which of the following will be TRUE if demand is inelastic?

► The coefficient of elasticity is greater than one.

► The percentage change in quantity demanded is same as the percentage change in the price.

► An increase in price will increase total revenue.

► None of the given options.



Question No: 6 ( Marks: 1 ) - Please choose one

Which of the following is regarded as a general determinant of price elasticity of demand?

► Nature of the good (luxury versus necessity).

► Availability of close substitutes.

► Share of consumer's budget and passage of time.

► All of the given options.



Question No: 7 ( Marks: 1 ) - Please choose one

The substitution effect of a wage increase will lead a person to:



► Work more.

► Take more leisure.

► Not change anything.

► None of the given options.



Question No: 8 ( Marks: 1 ) - Please choose one

A production function:



► Relates inputs with output.

► Generates a curve that is upward sloping.

► Shows diminishing marginal product of an input, since it gets flatter as output rises.

► All of the given options.



Question No: 9 ( Marks: 1 ) - Please choose one

If isoquants are straight lines, it means that:

► Only one combination of inputs is possible.

► There is constant returns to scale.

► Inputs have fixed costs at all use rates.

► The marginal rate of technical substitution of inputs is constant.



Question No: 10 ( Marks: 1 ) - Please choose one

A firm maximizes profit by operating at the level of output where:

► Average revenue equals average cost.

► Average revenue equals average variable cost.

► Total costs are minimized.

► Marginal revenue equals marginal cost.



Question No: 11 ( Marks: 1 ) - Please choose one

Producer surplus in a perfectly competitive industry is:

► The difference between profit at the profit-maximizing and profit-minimizing level of output.

► The difference between revenue and total cost.

► The difference between revenue and variable cost.

► The difference between revenue and fixed cost.



Question No: 12 ( Marks: 1 ) - Please choose one

The good produced by a monopoly:



► Has perfect substitutes.

► Has no substitutes at all.

► Has no close substitutes.

► Can be easily duplicated.



Question No: 13 ( Marks: 1 ) - Please choose one

A market with few entry barriers and with many firms that sell differentiated products is:



► Purely competitive.

► A monopoly.

► Monopolistically competitive.

► Oligopolistic.



Question No: 14 ( Marks: 1 ) - Please choose one

Which of the following is true in long run equilibrium for a firm in a monopolistic competitive industry?



► The demand curve is tangent to marginal cost curve.

► The demand curve is tangent to average cost curve.

► The marginal cost curve is tangent to average cost curve.

► The demand curve is tangent to marginal revenue curve.



Question No: 15 ( Marks: 1 ) - Please choose one

Which of the following best expresses the law of demand?



► A higher price reduces demand.

► A lower price reduces demand.

► A higher price reduces quantity demanded.

► A lower price shifts the demand curve to the right.



Question No: 16 ( Marks: 1 ) - Please choose one

You observe that the price of houses and the number of houses purchased both rise over the course of the year. You conclude that:





► The demand for houses has increased.

► The demand curve for houses must be upward-sloping.

► The supply of houses has increased.

► Housing construction costs must be decreasing.



Question No: 17 ( Marks: 1 ) - Please choose one

Insurance companies operate under the principle of:



► Law of large numbers.

► Law of small numbers.

► Law of zero numbers.

► All of the given options.



Question No: 18 ( Marks: 1 ) - Please choose one

If income elasticity is negative, the good is:



► Normal good.

► A substitute good.

► A complementary good.

► Inferior good.



Question No: 19 ( Marks: 1 ) - Please choose one

In monopoly, which of the following is NOT true?



► Products are differentiated.

► There is freedom of entry and exit into the industry in the long run.

► The firm is a price maker.

► There is one main seller.



Question No: 20 ( Marks: 1 ) - Please choose one



In the above figure, the marginal utility of income is:

► Increasing as income increases.

► Constant for all levels of income.

► Diminishes as income increases.

► None of the given options.



Question No: 21 ( Marks: 1 ) - Please choose one

How many points you need to know to calculate the price elasticity of demand on the same demand curve?

► One.

► Two.

► Three.

► Four.



Question No: 22 ( Marks: 1 ) - Please choose one

What is the assumption of constructing a production possibilities curve?

► Economic resources are underutilized.

► Resources are equally productive in many alternative uses.

► All available resources are employed efficiently.

► Production technology is allowed to vary.



Question No: 23 ( Marks: 1 ) - Please choose one

Production possibilities curve will shift downward if there is:

► Immigration of skilled workers into the nation.

► An increase in the size of the working-age population.

► A decrease in the size of the working-age population.

► Increased production of capital goods.



Question No: 24 ( Marks: 1 ) - Please choose one

Which of the following will happen if the current market price is set below the market clearing level?

► There will be a surplus to accumulate.

► There will be downward pressure on the current market price.

► There will be upward pressure on the current market price.

► There will be lower production during the next time period.



Question No: 25 ( Marks: 1 ) - Please choose one

The total cost (TC) function is given as: TC = 200 + 5Q. What is the variable cost?

► 5Q.

► 5.

► 5 + (200/Q).

► 200.



Question No: 26 ( Marks: 1 ) - Please choose one

If average physical product (APP) is decreasing then which of the following must be true?



► Marginal physical product is more than the average physical product.

► Marginal physical product is less than the average physical product.

► Marginal physical product is decreasing.

► Marginal physical product is increasing.



Question No: 27 ( Marks: 1 ) - Please choose one

Which of the following statement describes decreasing returns to scale?

► Increasing the inputs by 1/4% leads to a 1/2% increase in output.

► Increasing inputs by 1/2 leads to an increase in output of 1/6.

► Doubling the inputs used leads to double the output.

► None of the given options.



Question No: 28 ( Marks: 1 ) - Please choose one

All the factors of production become variable in:

► Law of increasing return.

► Long run.

► Law of decreasing cost.

► Short run.



Question No: 29 ( Marks: 1 ) - Please choose one

Indifference curves that are concave to the origin reflect:

► An increasing marginal rate of substitution

► A decreasing marginal rate of substitution

► A constant marginal rate of substitution

► A marginal rate of substitution that first decreases then increases



Question No: 30 ( Marks: 1 ) - Please choose one

The total cost (TC) function is given as TC = 500 + 30Q. What is the average total cost?

► 500

► 30+ (500/Q)

► 30Q2+500Q

► 30



Question No: 31 ( Marks: 1 ) - Please choose one

Which of the following is not included in the key ingredients of any market structure?

► Number of firms in the market/industry

► Extent of barriers to entry

► Perfect knowledge

► Degree of control over price



Question No: 32 ( Marks: 1 ) - Please choose one

At the profit-maximizing level of output, marginal cost equals to:

► Average revenue

► Total revenue

► Marginal revenue



► None of the given options



Question No: 33 ( Marks: 1 ) - Please choose one

Monopolists produce lower quantities at higher prices compared to perfectly competitive firms, because monopolists do not produce where

► Marginal cost = marginal revenue

► Average revenue = marginal cost

► Price = average variable cost

► Price = marginal cost



Question No: 34 ( Marks: 1 ) - Please choose one

An increase in quantity demand is shown by:

► Shifting the demand curve to the left.

► Shifting the demand curve to the right.

► Upward movement along the demand curve.

► Downward movement along the demand curve.



Question No: 35 ( Marks: 3 )

Describe the profit-maximizing conditions that give answer to the following questions faced by any competitive business firm:

a) How much output to produce?

b) How to produce that output?





Question No: 36 ( Marks: 5 )

A. Derive the equation of budget line. Which part of the equation shows the slope and which part shows the intercept?

B. Which factors cause the shift in budget line and which cause the change in slope of budget line?

(Marks: 3+2)



Question No: 37 ( Marks: 5 )

How advertisement can affect a cartel’s marginal cost and average revenue?



Another Paper:-
 
1) k monopolistic competition mai long run n short run mai elasticity same rahati ha ya different hoti ha 3 marks ka tha ye
2) in monopolistic competition why firms concentrate on non price competition rather than price competition ye kuch esi kisam ka tha n 5 marks ka tha
3) flaws in indifference curve approach ye b 5 marks ka tha

Another Paper:-

34 mcqs and 3 ans que thay..
mcqs jis tarah k hotay hain us tarah k he thay..
or ans que jo mujay aye wo ye thay k...

1- where monopolistic can invest his profit? (3 marks)
2- draw engle curve?(5 marks)
3- wo mujay bhool gya..per hai monopoly wala he tha..

Another Paper:-
MIDTERM  EXAMINATION
Spring 2010
ECO401- Economics (Session - 2)
Time: 60 min
Marks:Question No: 1    ( Marks: 1 )    - Please choose one
 Which of the following is a normative statement?

       ► Intermediate microeconomics should be required of all economics majors in order to build a solid foundation in economic theory.
       ► The minimum wage should not be increased, because to do so would increase unemployment.
       ► Smoking should be restricted on all airline flights.
       ► All of the given options.
   
Question No: 2    ( Marks: 1 )    - Please choose one
 Ceteris paribus means:

       ► Equal access to public transportation.
       ► Other things being equal.
       ► Other things not being equal.
       ► All things considered.
   
Question No: 3    ( Marks: 1 )    - Please choose one
 An increase in supply is shown by:
       ► Shifting the supply curve to the left.
       ► Shifting the supply curve to the right.
       ► Upward movement along the supply curve.
       ► Downward movement along the supply curve.
   
Question No: 4    ( Marks: 1 )    - Please choose one
 Which of the following is calculated as the percentage change in quantity demanded of a given good with respect to the percentage change in the price of another good?

       ► Price elasticity of demand.
       ► Income elasticity of demand.
       ► Cross price elasticity of demand.
       ► Price elasticity of supply.
   
Question No: 5    ( Marks: 1 )    - Please choose one
 In order to calculate the price elasticity of supply, you need to know:

       ► Two prices and two quantities supplied.
       ► The slope of the supply curve.
       ► The equilibrium price and quantity in the market.
       ► The quantity supplied at two different prices, all else equal.
   
Question No: 6    ( Marks: 1 )    - Please choose one
 Which of the following is the term that economists use to describe how consumers rank different goods and services?

       ► Satisfaction index.
       ► Goodness.
       ► Utility.
       ► None of the given options.
   
Question No: 7    ( Marks: 1 )    - Please choose one
 If a consumer’s marginal rate of substitution equals 2 eggs for 1 hamburger then:


       ► The consumer’s indifference curve must be positively sloped.
       ► The consumer’s indifference curve must be convex with respect to the origin of the graph.
       ► The ratio of the consumer’s marginal utility of 1 egg to that of 1 hamburger must equal ½.
       ► All of the given options.
   
Question No: 8    ( Marks: 1 )    - Please choose one
 As long as all prices remain constant, an increase in money income results in:

       ► An increase in the slope of the budget line.
       ► A decrease in the slope of the budget line.
       ► An increase in the intercept of the budget line.
       ► A decrease in the intercept of the budget line.
   
Question No: 9    ( Marks: 1 )    - Please choose one
 The income effect of a price change:

       ► Is always positive.
       ► Is always negative.
       ► May be positive or negative.
       ► Is associated with a change in nominal income.
   
Question No: 10    ( Marks: 1 )    - Please choose one
 Which of the following is considered to be a variable cost in the long run?

       ► Expenditures for wages.
       ► Expenditures for research and development.
       ► Expenditures for raw materials.
       ► All of the given options.
   
Question No: 11    ( Marks: 1 )    - Please choose one
 _______________ arises when an increase in all inputs leads to a more-than-proportional increase in the level of output. _____________ means that as inputs are added to the production process, output increases proportionally.

       ► Economies of scale; constant returns to scale.
       ► Constant returns to scale; decreasing returns to scale.
       ► Decreasing returns to scale; economies of scale.
       ► Economies of scale; decreasing returns to scale.
   
Question No: 12    ( Marks: 1 )    - Please choose one
 If isoquants are straight lines, it means that:
       ► Only one combination of inputs is possible.
       ► There is constant returns to scale.
       ► Inputs have fixed costs at all use rates.
       ► The marginal rate of technical substitution of inputs is constant.
   
Question No: 13    ( Marks: 1 )    - Please choose one
 Costs determine all of the following EXCEPT:

       ► Demand for a product.
       ► Firm's behaviour.
       ► How firms should expand?
       ► Firm's profitability.
   
Question No: 14    ( Marks: 1 )    - Please choose one
 At the profit-maximizing level of output, marginal profit:
       ► Is positive.
       ► Is increasing.
       ► Is zero.
       ► Is also maximized.
   
Question No: 15    ( Marks: 1 )    - Please choose one
 A perfectly competitive firm maximizes profit by finding the level of production at which:

       ► Price = Marginal Cost.
       ► Price = Average Total Cost.
       ► Average Total Cost = Marginal Cost.
       ► Price < Marginal Cost.
   
Question No: 16    ( Marks: 1 )    - Please choose one
 As compared to existing firms, a new firm entering in monopolist market has:
       ► High costs.
       ► Low costs.
       ► Equal costs.
       ► None of the given options.
   
Question No: 17    ( Marks: 1 )    - Please choose one
 Cartels are likely to fail when:

       ► The members adhere to their output quotas.
       ► The non-cartel members increase output.
       ► The members charge identical prices.
       ► None of the given options.
   
Question No: 18    ( Marks: 1 )    - Please choose one
 Which of the following best expresses the law of demand?

       ► A higher price reduces demand.
       ► A lower price reduces demand.
       ► A higher price reduces quantity demanded.
       ► A lower price shifts the demand curve to the right.
   
Question No: 19    ( Marks: 1 )    - Please choose one
 If the cross price elasticity of demand between two goods X and Y is positive; it means that goods are:


       ► Independent.
       ► Complements.
       ► Substitutes.
       ► Inferior.
   
Question No: 20    ( Marks: 1 )    - Please choose one
 If the income elasticity of demand is 1/2, the good is:

       A luxury.
       A normal good (but not a luxury).
       An inferior good.
       A Giffen good.
   
Question No: 21    ( Marks: 1 )    - Please choose one
 If the demand curve for a good is downward sloping, then the good:
       ► Must be inferior.
       ► Must be giffen.
       ► Can be normal or inferior.
       ► Must be normal.
   
Question No: 22    ( Marks: 1 )    - Please choose one
 What is meant by freedom of enterprise in pure capitalism?
       ► It means that businesses are free to produce products that consumers want.
       ► It means that consumers are free to buy goods and services that they want.
       ► It means that resources are distributed freely to businesses.
       ► It means that government is free to direct the actions of businesses.
   
Question No: 23    ( Marks: 1 )    - Please choose one
 What questions are related with explanation? What questions are related with what ought to be?
       ► Positive, negative.
       ► Negative, normative.
       ► Normative, positive.
       ► Positive, normative.
   
Question No: 24    ( Marks: 1 )    - Please choose one
 Which of the following will happen if the current market price is set below the market clearing level?
       There will be a surplus to accumulate.
       There will be downward pressure on the current market price.
       There will be upward pressure on the current market price.
       There will be lower production during the next time period.
   
Question No: 25    ( Marks: 1 )    - Please choose one
 What is meant by the term utility?
       ► Useless.
       ► Require.
       ► Necessary.
       ► Satisfaction.
   
Question No: 26    ( Marks: 1 )    - Please choose one
 The total cost (TC) function is given as: TC = 200 + 5Q. What is the variable cost?
       ► 5Q.
       ► 5.
       ► 5 + (200/Q).
       ► 200.
   
Question No: 27    ( Marks: 1 )    - Please choose one
 Which of the following is NOT included in the perfect information assumption of perfect competition?
       ► Consumers know their preferences.
       ► Consumers know their income levels.
       ► Consumers know the prices available.
       ► Consumers can anticipate price changes.
   
Question No: 28    ( Marks: 1 )    - Please choose one
 Which of the following is TRUE for third-degree price discrimination?
       ► Charging different prices to different groups based upon differences in elasticity of demand.
       ► Charging each consumer the same two part tariff.
       ► The use of increasing block rate pricing.
       ► Charging lower prices the greater the quantity purchased.
   
Question No: 29    ( Marks: 1 )    - Please choose one
 The government can regulate monopolies to ensure that they set a price where the AR curve intersects the
       ► Marginal revenue curve.
       ► Average variable cost.
       ► Marginal cost curve.
       ► None of the given options.
   
Question No: 30    ( Marks: 1 )    - Please choose one
 A reduced price may be offered if you buy two t-shirts instead of just one. This is an example of
       ► Perfect competition.
       ► First-degree price discrimination.
       ► Monopoly.
       ► Second-degree price discrimination.
   
Question No: 31    ( Marks: 1 )    - Please choose one
 When different prices are charged to customers who purchase different quantities, this is an example of

       ► Second-degree price discrimination.
       ► First-degree price discrimination.
       ► Monopoly.
       ► Perfect competition.
   
Question No: 32    ( Marks: 1 )    - Please choose one
 The demand curve for eggs is downward-sloping. Suddenly the price of eggs decreases from Rs.60/- per dozen to Rs.50/- per dozen. This will cause:

       ► The demand curve for eggs to shift leftward.
       ► Quantity demanded of eggs to decrease.
       ► The demand curve for eggs to shift rightward.
       ► Quantity demanded of eggs to increase.
   
Question No: 33    ( Marks: 1 )    - Please choose one
 Slope and elasticity of demand have

       ► A direct relation.

       ► An inverse relationship.

       ► No relation between slope and elasticity.
       ► None of the given options.

   
Question No: 34    ( Marks: 1 )    - Please choose one
 If you sum the marginal utilities obtained by consumption from one unit to five units of any commodity, you will get:
       ► The marginal utility for the consumption of the fifth unit.
       ► The marginal utility for the consumption of the sixth unit.
       ► The total utility for the consumption of the first five units.
       ► The average utility for the consumption of the first five units.
   
Question No: 35    ( Marks: 3 )
 Why the monopolists produce lower quantities at higher prices compared to perfectly competitive firms?
Ans:
1)     Large initial fixed cost is involved
2)     Product differentiation or drabd loyalty
3)     Monopolistic controls the supply of key factors of production

Question No: 36    ( Marks: 5 )
 Write down any five situations in which cartel can survive?

Ans:
1)    Cartel can survive when number of firms is small.
2)    When the collusion is tacit or hidden not explicit.
3)    The products are homogeneous.
4)    Industry is sable
5)    There is opening among the firms regarding their production process.
6)    Government’s strictness in implementing antitrust law.


   
Question No: 37    ( Marks: 5 )
 Differentiate between external economies of scale and external diseconomies of scale with the help of examples.

Ans:

External economies: These are the benefits which are accured to any firm in the presence of other firms. For example setting of credit information bureaus by bank , advertising by industry such as rival industry.
Discovery of new techniques.
This type of economy occurs when an industry is heavily concentrated in a particular area.
Economies is available to all firms for example construction of roads

External diseconomies of scale :
These are the forces which causes the large firms to produce goods and services at increased per unit costs.
This type of scale occurs when an industry grows larger and shortage of  skilled laor taking place and shortage of raw materials are the types of external diseconomies.
When a firm become large then supervision of workers become difficult and problem is created for management is taking place which cause adverse effect on efficiency.

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