[學生提問] 潛在產出Yf

2014/1/38
Which of the following government policies will lead to an increase in the aggregate output of a country in the long run?
(1) to tighten regulations on environmental protection
(2) to grant an amnesty (特赦) to illegal immigrants
(3) to ban the importation of foreign domestic helpers
(4) to build more international schools for attracting expatriates to work in the country
A. (1) and (3) only
B. (1) and (4) only
C. (2) and (3) only
D. (2) and (4) only

題目問長期LRAS/Yf的影響因素，有一定數量同學見到「amnesty (特赦) to illegal immigrants」一項太新穎，選左B，結果非常慘烈。
我們學長期Yf時，有4大因素可以增加潛在產出：
人力資源human capital、實際資本physical capital、科技tech、天然資源natural resources

看看題目4項選擇：
(1) 環境保護法規限制廠商生產，絕對談不上增加Yf
(2) 特赦是給illegal immigrants居民身分(同學如有留意(例如港大醫學院的Betty就是非常好的例子)，human capital 增加，Yf增加
(3) 少左外勞，human capital減少，Yf減少
(4) 辦教育吸引專才，human capital 增加，Yf增加

Ans: D