Predict the economic impact of each of the following events by drawing the appropriate shifts in a demand/supply diagram. Then use a +, -, 0 or ? to indicate whether there will be an increase or decrease or no change or uncertain change in demand (D), supply(S), equilibrium price (P) and equilibrium quantity (Q).

MARKET EVENT DIAGRAM D S P Q

(a). Tennis balls Golf becomes more

expensive

(b). Big screen It becomes cheaper to

televisions make large glass

screens

(c). Visits to Parking fees in Vancouver

Vancouver increase substantially

nightclubs

(d). Canadian Early frost destroys a large

wine percentage of the grape

crop in British Columbia

(e). Bicycles There is increasing concern

about physical fitness; also

the price of gasoline rises

(f). Beer Population of drinking age

increases; also, brewery unions

negotiate a large increase in

remuneration