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Amid sharp GDP data revision, debate continues over its fairness
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SME Times News Bureau | 01 Jun, 2020
The sharp revision in quarterly GDP data has grabbed the eyeballs of
economists and experts and the government has also received flak over
it.
The debate still continues over whether the revision of the previous quarter's GDP growth numbers were justified or not.
State
Bank of India (SBI) Group Chief Economic Adviser, Soumya Kanti Ghosh,
in a report, has questioned the data quality and 'remarkable' volatility
in the new series adopted by the CSO that has led to frequent sharp
revisions in GDP numbers in each of quarterly estimates with wide upward
and downward swings in numbers in each of the quarter estimate from
excisions.
Noting that the loss of economic activity due to the
lockdown in last few days of March has dragged GDP growth to a
40-quarter low of 3.1 per cent in Q4 FY20, he said: "However, CSO has
significantly revised the previous quarters' growth rates (compared to
Q3 release) which is quite puzzling and raises questions about data
quality and remarkable volatility in the new series and we believe that a
methodological note from CSO explaining the frequent revisions will be
very useful."
The SBI Ecowrap report, authored by Ghosh, said
that in February, the quarterly numbers underwent significant upward
revisions and such numbers have now been steeply revised downwards by an
almost equal amount, within a span of three months.
"While it is
customary to change the quarterly numbers in May when the 3rd estimate
of FY20 is released, the extent of such revision reveals possibly the
loss in Q4 because of lockdown may have been evenly distributed across
quarters/Rs 1.18 lakh crore loss estimated and distributed across
quarters in FY20 (Q4 accounted for only 50 per cent of such)," it said.
Talking
to IANS, former Chief Statistician of India Pronab Sen said that the
fourth quarter numbers are fine, but the revision of the third quarter
numbers was the major problem which should have been avoided as it was
out of schedule.
"As far as changes were concerned, the changes
that were released during this fourth quarter... those are fine. There
is no problem at all, that is how it should be. The problem here was the
change made with the third quarter data. That was problematic, that was
off schedule."
He explained that as per the normal schedule, the
quarterly data is not changed till the provisional estimates of the
year are released in June.
"But prior to that, the three quarters
data is not changed. When the provisional annual data is released, then
the quarterly data has to be changed so that there is consistency
between the four quarters and the annual figures. That is the standard
operating procedure... now that got violated this year," Sen said.
N.R.
Bhanumurthy, Professor at the National Institute of Public Finance and
Policy, however, noted that official GDP data has revisions and this is
the third revision, which is called provisional estimates. He was of the
view that revision in previous quarters' GDP numbers should not be a
matter of concern as it is a routine process.
On the concerns
regarding the quality of data, he said that improving the quality of
data is a work in progress as the country is now getting into a new data
basis.
Bhanumurthy, who is also a member of the Advisory
Committee on National Accounts Statistics (ACNAS), said: "We are now
getting into a much more wider data sense in getting the GDP numbers. I
would say it's still a long way to go. The contribution of the informal
sector is always taken on a pro-rata basis based on some survey done in
2011-12... those things need to be updated."
He was of the view that the problems would have existed in the old GDP data calculation methodology.
Bhanumurthy
noted that the GST data is not given in a "disaggregated level" which
is also a major obstacle in getting accurate data.
"Previously,
we used to use indirect tax data, now we don't get that kind of a
granularity. There used to be VAT separately, there used to be service
tax separately. GST is a combination of that, we don't know what is
goods and what is services," he added.
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Customs Exchange Rates |
Currency |
Import |
Export |
US Dollar
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66.20
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64.50 |
UK Pound
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87.50
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84.65 |
Euro
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78.25
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75.65 |
Japanese
Yen |
58.85 |
56.85 |
As on 13 Aug, 2022 |
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