inflation matters: targets & types – what can monetary ... · • inflation tax is...
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Inflation Matters: Targets & Types –
What can monetary policy do?
Anis Chowdhury
Senior Economic Affairs Officer
Office of the Under-Secretary-General
UN-DESA, New York
DESA-ESCAP-Bangladesh Bank Regional Training Workshop on
Beyond Inflation Targets: Policy Options and Instruments for Sustaining Growth
and Equitable Development
Dhaka
19-22 December 2011
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Outline
• Inflation-growth-poverty: inconclusive evidence
• Inflation targeting: costly trade-offs –limits of Taylor rule
• Sources of inflation: food price, imported – limits of monetary policy
• Beyond inflation targeting: multiple targets & pragmatism
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Inflation matters, buttargets can contract
“On balance, … support the use of single digit
inflation targets….However, pushing inflation
too low—say, below 5 percent—may entail a
loss of output and seigniorage revenue,
suggesting a need for caution in setting very
low inflation targets in low-income countries.
.. Inflation targets should be set so as to help
avoid risks of an unintended contractionary
policy stance.” (IMF, 2006: 17)
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Actual targets: 5% or lessInflation targets in PGRF 2003-Feb 2007
12
10 10
9
9.5
10
10.5
11
11.5
12
12.5
<=3% 3-5% >5%
No
. of
cou
ntr
ies
Of 32 program countries, inflation target 5% or less in 22 (69%)!
Source: Goldsbrough, Adovor
& Elberger (2007)
Clearly, actual policy not based on research findings
Inflation target <5% in 29 SSA IMF program countries in 2000s (IEO, 2007)
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Does inflation harm growth?
• “Historically, all possible combinations
have occurred: inflation with and
without [economic] development, no
inflation with and without [economic]
development.” (Friedman, 1973: 41)
• “The ratio of fervent beliefs to tangible
evidence seems unusually high on this
topic.” (Bruno & Easterly, 1998: 3)
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Inflation not bad for growth (40 developing countries)
-20
-10
010
2030
GR
OW
TH
-10 0 10 20 30 40INF
-20
020
40G
RO
WT
H
-20 0 20 40 60INF
1960s 1970s
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Evidence inconclusive-2
0-1
00
1020
GR
OW
TH
-20 0 20 40 60INF
-10
010
20G
RO
WT
H
-20 0 20 40 60INF
1980s 1990s
“IMF policy staff acknowledge that the empirical literature on
the inflation-growth relationship is inconclusive” IEO (2007: 10)
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Mild +ve relation up to 20%-1
00
1020
GR
OW
TH
0 10 20 30 40 50INF
-20
020
40G
RO
WT
H
-20 0 20 40 60INF
2000s 1960-2010
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Low inflation can hurt
•Inflation >5%
does not harm
growth.
•Trying to keep
inflation at low
single digit level
may harm growth
Source: Anwar & Islam (2011)
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Inflation bad for poor?0
2040
6080
Pov
1980
s
0 10 20 30 40 50INF1980s
020
4060
80P
ov19
90s
0 10 20 30 40 50INF1990s
1980s 1990s
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Mild -ve relation up to 20%!0
2040
60P
ov20
00s
0 5 10 15 20 25INF2000s
020
4060
80P
ov
0 10 20 30 40 50INF
2000s 1980-2010
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Impact of inflation on poor depends on:
• Real wage & employment effects
• Wealth & net debt effects
• Food & other essential prices
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What next? – Back to basics
• No suggestion that deliberately targeting higherinflation can yield faster growth or poverty reduction. It depends considerably on the inflation history and institutional arrangements of each country
• IMF Article IV: … each member shall:1 (i) endeavor to direct its economic and financial policies toward the objective of fostering orderly economic growth with reasonable price stability, with due regard to its circumstances
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Inflation targeting –
What are the trade offs?
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Very low target reduces fiscal space
• Inflation > typical in IMF programs →additional fiscal space, via monetary financing of fiscal deficit
• Additional monetary expansion → higher inflation → redistribute resources toward the government (via the inflation “tax” on those holding currency)
• Inflation tax is distortionary; but other taxes are distortionary too
• Given the low tax base and collection, inflation tax (seigniorage) is impt source of revenue
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Higher interest rates
• Higher government borrowing costs & deficit even if no new spending
• Lower private investment
• Attract short-term capital flows:
–pushes up exchange rate
→ loss of competitiveness
–increases financial sector fragility
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Interest rate response asymmetric Lending rates rise with policy
rate, but do not fall
Median LDC Interest Rates
14.5
18.2 18
4.55.8
9.56.9
9
12.8
0
5
10
15
20
1970s-80s 1990s 2000s
Lending Rate (%)
Real Interest Rate (%)
Spread (lending-deposit rate, %)
Lower inflation, but high borrowing costs in 2000s
Oligopolistic banks
Premium of reduced inflation captured by big banks; NOT passed on to borrowersSource: Anwar & Islam (2011)
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Exchange effects: Differential lags
• Shorter lag of pass through;imported inflation
• Longer lag of aggregate demandeffects
• Frequent adjustments of exchange rate to achieve inflation target, can produce growth, employment instability
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Taylor rule – simple, but difficult
• No precise basis for choice of coefficients
• Actual variables required for implementation –equilibrium real interest rate, potential output –not observable – must be inferred from other information. Nominal & real output not known with any accuracy until much later
• Output gap may narrow due to decline in potential output; not due to rise in actual output
• Given these uncertainties, central banks tend to be cautious in interpreting economic data, and to smoothen interest rate paths
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Taylor rule – rigid & costly• Rigid commitment to one instrument rule
– violates Tinbergen rule – biased towards inflation
(Blanchard: ‘divine coincidence’)
– no room for judgment or discretion
• Reliance on interest rate – limits policy options – can be
costly
• May encourage unhelpful market speculation or prevent a
central bank dealing promptly with a crisis (Greenspan &
Bernanke)
• No explicit account of exchange rate and food price or
imported inflation
• IMF (WP/05/148, 2005): possibility of abuse
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Sources of inflation matter
Dealing with
imported inflation
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Supply shocks – imported food & energy
Source: Anwar & Islam (ILO, 2011)
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Should monetary policy be tightened?
• “Let’s kill GDP – Inflation will
fall” Surjit Bhalla, ex-WB economist on recent RBI efforts
• Greater output fluctuations when
focused on price stability
• Pro-cyclical bias of IT monetary
policy in responding to supply
shocks
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Dealing with food price inflation
• Rationing & public distribution
• Provision of social wage
• Non-inflationary wage
adjustments
• Needs expanded fiscal space
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Beyond inflation targeting
Monetary policy
after the crisis
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IMF research rethinking“Before the crisis, mainstream economists and policy-
makers had converged on a beautiful construction
for monetary policy. … we had convinced
ourselves that there was one target, inflation. There
was one instrument, the policy rate. And that
was basically enough to get things done.
If there is one lesson to be drawn from this crisis, it is
that this construction wasn't right, that beauty is
unfortunately not always synonymous with truth.
The fact is that there are many targets and there
are many instruments.” (Blanchard 2011)
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Monetary policy
• Avoid stabilisation trap: Recognise both price, growth stabilisation roles
• Participatory policy making -- trade-off inflation, unemployment parameters
• Monitor asset price inflation – curb unproductive lending
• Greater use of other instruments, e.g. reserve requirement, directed credit
• Encourage productive investment, SMEs, agriculture
• Coordinate with fiscal authority to stabilise food prices
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References cited• Anwar, S. & Islam, I. (2011). Should Developing
Countries Target Low, Single Digit Inflation to Promote Growth and Employment?, ILO WP #87
• Blanchard, O. (2011). ‘Monetary Policy in the Wake of the Crisis’, IMF Macro Conference, March
• Bruno, M, & W Easterly (1998). Inflation Crises and Long-run Growth. J. of Monetary Economics, 41: 3-26
• Friedman, M. (1973). Money and Economic Development, Toronto: Lexington Books
• Goldsbrough, D. Adovor, E. & Elberger, B. (2007). Inflation Targets in IMF-Supported Programs. Center for Global Development, Washington, DC.
• IMF (2006). Designing Monetary and Fiscal Policy in Low-Income Countries. Occasional Paper 250.
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Thank you
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