According to Professor Mian, total factor productivity, which measures production output efficiency, was higher too.

米昂教授表示，衡量生产产出效率的全要素生产率也更高。

China, Pyongyang's mian ally and South Korea also welcomed the move, but Japan expressed caution, as did some South Koreans.

朝鲜主要的同盟中国以及韩国也对此举表示欢迎，但是日本和一些韩国人士表示仍对此持谨慎态度。

According to research done by Professor Mian and his colleagues, real investment by the ultra-rich is down by 2 to 3% over the past few decades.

根据米昂教授和他的同事所做的研究，在过去的几十年里，超级富豪的实际投资下降了 2% 到 3%。