✔ 最佳答案
1)
elasticity = % change in Qd / % change in P
Ed = 0.8 細過 1, 即係inelastic
畫一條斜d既Demand curve同一條Supply curve
當有subsidy, Supply curve向下shift, 因為個price會下降
係原本個equilibrium point向下拉一條線,
即係Supply curve下降既幅度, 就係subsidy既總數
係新既equilibrium打橫畫一條線
上面果part就係consumer既
下面果part就係supplier既
consumer果part應該大過supplier
2)
同上面一樣都係inelastic
但係今次係少左收成,supply向左shift
Price係上升唔係下降
因為佢係inelastic,% increase in price > % decrease in Qd
所以Price上升會令個Total Expenditure增加
所以Supplier收入都係多左