Which of the following would reduce unemployment in the countryside?
(1) The social welfare benefit of workers in the Pearl River delta improves.
(2) Labour wages in the Peral River delta fall.
(3) Firms in the Peral River delta move to the countryside.
更新1:
A. (1) and (2) only B. (1) and (3) only C. (2) and (3) only D. (1), (2), (3) Ans. B Why statement 2 is incorret?