INTRODUCTION TO MICROECONOMICS

QUESTION ONE

  • (a) State the law of demand. (2mks)
  • (b) Explain the applications of the concept of elasticity. (6mks)
  • (c) Highlight the characteristics of a free market system. (5mks)
  • (d) Distinguish between ordinal and cardinal utility theories. (4mks)
  • (e) The demand and supply curves of commodity W in the market are defined by the following functions
    P=100-2Qd
    P=4Qs
    Where Qd is the quantity demand. Qs is the quantity supplied and P is the price.

Determine the equilibrium price and quantity of W in the market.      (4mks)

  • (f) Following the price decrease of eggs from ksh 5 to ksh 3 per egg, the quantity demanded for eggs per day increased from 45 to 60. Calculate the price elasticity of demand.                 (4mks)

QUESTION TWO

  • (a) Explain any three sources of monopoly power. (6mks)
  • (b) Explain the exceptions of the law of demand. (6mks)
  • (c) Distinguish between a normal and an inferior good. (3mks)

QUESTION THREE

  • (a) Explain the properties of an indifference curve.                                    (5mks)
  • (b) With the aid of a diagram explain the stages of production. (10mks)

 

QUESTION FOUR

  • Explain the factors of internal economies of scale. (8mks)
  • Explain the concept of a kinked demand curve. (4mks)
  • Explain the concept of a shift and movement in the supply curve.    (3mks)

QUESTION FIVE

  • Highlight the conditions necessary for profit maximization. (2mks)
  • Distinguish between monopoly and monopolistic competition.                          (6mks)
  • Illustrate the determination of normal and abnormal profits in a perfectly competitive market. (7mks)
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