Simms looks at the Plaza Accord of 1985 and the 60% appreciation of the yen, the lowering of interest rates and the real estate bubble that followed, and what this tells China's economic planners about managing the renminbi. A academic member of the People's Bank of China, Yu Yongding, sees one of the lessons as how Japan mismanaged the aftermath and creation of the asset bubble. There may be different complexities in China's situation with the increase in local government debt and loans in the shadow banking system, so that China cannot become complacent.