Why do the inefficient firms survive, trapping resources in low-productivity activities? What is preventing the market from working its magic and making everyone better off?
那么这在发展中国家为什么没能实现？为什么低效企业持续生存，把资源耗费在低效活动之中？是什么让市场失去了魔力，无法改善人们的生活水平？