What effect on the demand curve for apples do you think the following would have? (a) A fall in the price of pears. (b) The government enforcing a fixed price for apples of 40p a pound. (c) A...

(a) A fall in the price of pears.

(b) The government enforcing a fixed price for apples of 40p a pound.

(c) A healThwarning that dangerous chemical fertilisers have been used on apple trees.

(d) A blight that destroys a large proportion of the apple crop.

(e) An increase in the rate of income tax on salaries over £30 000 a year, together wiTha rise in social security payments, such that the total net income of the population remains constant.