Katsuji Nakazawa is a Tokyo-based senior staff and editorial writer at Nikkei. He spent seven years in China as a correspondent and later as China bureau chief. He was the 2014 recipient of the Vaughn-Ueda International Journalist prize.

Chinese President Xi Jinping, left, and former President Jiang Zemin had different approaches to the economy. (Nikkei montage/Getty Images/CCTV/AP)
The drastic turnaround that put China on a growth surge has lessons for Xi