From George Dorgan:
The best way to push real GDP upwards is, hence, to understate inflation via the GDP deflator. Lombard Street Research assumes that Chinese officials followed that approach:
Via Wall Street Journal Blogs
Lombard Street Research, a London economic research firm that takes a bearish view on China, constructs its own version of the country’s GDP. Lombard’s conclusion: China’s economy grew just 6.1% in the fourth quarter of 2013, year-over-year, down from 7.5% the previous quarter. That compares with the 7.7% fourth-quarter increase reported by China’s statistics bureau, which was down a smidgen from 7.8% in the third quarter.
The main difference between Lombard’s numbers and the official numbers, said Lombard economist Diana Choyleva, is the estimation of China’s inflation. GDP is reported in real—that is, inflation adjusted — terms. If China’s inflation is higher than reported, its GDP growth will be lower.
Read more at China: The best way to manipulate GDP is to lower inflation.