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Shooting the messenger

Rejecting CES data undermines India’s statistical system

Published on: Nov 19, 2019 11:55 AM IST
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On Friday, the government rejected the Household Consumer Expenditure Survey (CES) 2017-18, conducted by the National Statistical Office (NSO), because of data quality issues. The same morning, the Business Standard had published leaked findings of the report, which showed that real average consumption had fallen between 2011-12 and 2017-18. The government said that a new CES would be conducted around 2020-21. Policymakers will, thus, not have access to consumption data for more than a decade. The decision undermines the statistical system and complicates policymaking.

The Consumer Expenditure Survey (CES) numbers would have provided much needed clarity in devising policies to address the economic slowdown (Getty Images/iStockphoto)
The Consumer Expenditure Survey (CES) numbers would have provided much needed clarity in devising policies to address the economic slowdown (Getty Images/iStockphoto)

Once a survey has been commissioned and its design approved, the only valid reason to reject its findings can be an error in data collection. Any other objection, such as sample design and questions, ought to have been flagged earlier. The 2017-18 CES had exactly the same design as previous ones. So, questioning the current findings is tantamount to discrediting the earlier surveys as well. The divergence between NSO and National Account Statistics (NAS) data, which the government has cited as a key reason for rejecting the report, is not new. Many economists, such as Nobel laureate Angus Deaton, have warned against trying to attribute all the errors to NSO numbers. At a time when many independent economists believe that there is an overestimation problem with India’s GDP statistics, Mr Deaton’s cautionary note is even more important.

 
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