The back series data of GDP released recently by a panel of experts has evoked sharp reactions among political circles and experts. N R Bhanumurthy, professor of economics at the National Institute of Public Finance and Policy, and the author of the series, presented in a report to the National Statistical Commission, explains to Abhishek Waghmare various aspects of the methodology. Edited excerpts:
The methodology you have used to formulate the back series has sparked a heated political debate. Is it an appropriate methodology?
As discussed in the committee report, this is just one of the three suggested methods. Ideally, one