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China-US Currency Issues. Jeffrey Frankel Harpel Professor CLD Program, Ash Center, June 8, 2010, 4:00 - 5:30 PM, L230 . Topics to be covered. (I) Historical timeline of exchange rate diplomacy (II) What is in China’s interest? (III) What is in the US & RoW interest?

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china us currency issues

China-USCurrency Issues

Jeffrey Frankel

Harpel Professor

CLD Program, Ash Center, June 8, 2010, 4:00 - 5:30 PM, L230

topics to be covered
Topics to be covered

(I) Historical timeline of exchange rate diplomacy

(II) What is in China’s interest?

(III) What is in the US & RoW interest?

(IV) Shifting power relationships

  • Addendum: The current account imbalances

Historical timeline

“I have listened to both sides of this debate. Here is what I think. I think those who call for a fixed exchange rate are right in the short run. And those who call for a floating exchange rate are right in the long run.How long is the short run, you ask? You must understand. China is 8000 years old. So when I say, short run, it could be 100 years.”-- Li Ruogu, Deputy Governor, People’s Bank of China, Dalian, May 2004

historical timeline of currency diplomacy
Historical timeline of currency diplomacy
  • 1973: End of Bretton Woods era.
    • Major currencies switch from fixed to floating. The rest keep their pegs.
  • 1977: IMF members agree that each shall “avoid manipulatingexchange rates … in order to prevent effective balance of payments adjustment or to gain an unfair competitive advantage over other members.” [Principle (A) of the “1977 Decision on Surveillance over Exchange Rate Policies,” and Sect.1, Clause 3, of Article IV amended in 1978.]
    • In practice, the IMF almost never pressures countries to revalue their currencies upward;
      • It just pressures deficit countries to devalue.
  • 1983-84: ¥/$ Agreement. 1985: Plaza Accord.
    • Japan, US & others cooperate to bring down overvalued $, esp. vs. ¥
  • 1987-89:
    • Louvre Agreement: $ depreciation halted.
    • Big bubbles in Japan’s equity & real estate markets,
    • followed by crash, & severe Japanese stagnation in 1990s.
timeline continued
Timeline, continued
  • 1988:The Omnibus Trade & Competitiveness Actmandates the US Treasury report to Congress biannually on whether trading partners were manipulating currencies.
    • Section 3004 requires the Treasury to “consider whether countries manipulate the rate of exchange between their currency and the United States dollar for purposes of preventing effective balance of payments adjustments or gaining unfair competitive advantage in international trade.\'\'
    • The US must hold talks with governments deemed to be breaking rules.
    • In the first Reports to Congress on International Economics & Exchange Rate Policy, Korea & Taiwan PoC were found to be guilty of manipulation,
      • while Singapore & Hong Kong SAR “got off with a warning.”
      • China was named in early 1990s.
Analysis of the Treasury Department’s biannualReport to Congress on International Economics and Exchange Rate Policy

-- Frankel & Wei (2007)

Two hypotheses regarding determinants of US Treasury decisions whether partnersare manipulating currencies:
  • (1) Legitimate economic variables
    • the partner’s overall current account/GDP,
    • its reserve changes,
    • the real overvaluation of its currency; vs.
  • (2) Variables suggestive of domestic American political expediency
    • the bilateral trade balance,
    • US unemployment,
    • an election year dummy .
timeline continued1
Timeline, continued
  • Those countries named as manipulators, or given warnings, have always been Asian.
  • What political economy determines Treasury findings?
    • Econometric analysis:
    • Domestic political variables are as important as global manipulation criteria.
Findings suggest the domestic US variablesaffect the Treasury decision as much as the legitimate global manipulation criteria:
  • weak role for partner reserve accumulation,
  • very high significance of bilateral balance,
  • significance of US unemployment, and
  • significant (borderline) extra effect of unemployment in election years.

If the IMF were interpreting Article IV, rather than the Treasury interpreting the 1988 US law,

  • the criterion of consistent uni-directional forex intervention would receive more emphasis,
  • and US-specific variables such as the bilateral trade balance would not appear at all.
some sympathy for the treasury
Some sympathy for the Treasury
  • It walks a fine line.
  • An additional finding:

Treasury is eager not to single out one country for unique opprobrium.

    • No single country is left exposed on its own.
      • the top-ranked country is less likely to be named than if it had some other country to hide behind, while
      • the 2nd- & 3rd-ranked countries are more likely to be moved up, to give the leader company.
timeline continued exchange rate
Timeline, continued:Exchange rate
  • Jan. 1994: China devalues its official rate,
    • unifying its dual exchange rate system.
  • 1997-98: East Asia crisis.
    • China wins plaudits for keeping RMB (“yuan”’) fixed
      • while all its neighbors are devaluing.
  • 1995-2005: China continues to peg
    • for 10 years
    • at 8.28 RMB/$.
timeline continued us pressure
Timeline, continued:US pressure
  • Oct. 2003: Treasury Secretary Snow begins to “browbeat” China to allow appreciation.
    • Report: RMB merits concern & talks
    • Speculators in financial markets start to bet appreciation.
        • as reflected in either capital flows (residual; see Prasad & Wei)
        • or non-deliverable forwards (see appendix graph).
  • Feb. 2005: Senators Schumer & Graham propose first of bills to impose (WTO-illegal) tariffs of 27.5 % against all Chinese goods if China does not substantially revalue its currency.
    • Subsequent versions, by Baucus-Grassley and others substitute the phrase “currency misalignment” in place of “unfair manipulation” to ease standard of proof.
timeline continued china s macroeconomy
Timeline, continued:China’s macroeconomy
  • 2004- :Rapid growth puts China into Excess Demand condition.
  • 2005-06:Despite large balance of payments surpluses, PBoC sterilization of reserve inflows prevents excessive money growth & inflation.
  • 2007-08:Sterilization finally falters: Money growth becomes excessive.
    • Inflation becomes a serious concern.
    • Shanghai stock market experiences a bubble.
  • Mid-2008 – early 2009:Worst of the global recession hits.
    • China loses 26% of exports
    • Growth rate slows down; danger of overheating disappears.
  • Mid-2009 – mid-2010:China resumes blistering growth
    • In response to domestic demand stimulus + renewed exports
    • China is now a major engine of growth in world economy.
    • Danger of overheating returns: esp. asset market bubbles.
timeline continued exchange rate1
Timeline, continued:Exchange rate
  • July 2005: China announces a new policy,
    • Immediate 2.1% revaluation,
    • Followed by “managed float”: controlled appreciation, supposedly against an unspecified basket of currencies.
    • But, as often, de jure exchange rate regime ≠ de facto.
  • Estimation of true regime reveals:
    • $ link did not even begin to loosen until 2006.
    • By 2007, implicit basket had shifted some weight onto other currencies, especially the €.
    • RMB appreciates against the $ from 2006 to 2008,
      • But only because € does.
has us pressure pushed the pace of increased flexibility
Has US pressure pushed the pace of increased flexibility?
  • We searched an electronic database of news reports (FACTIVA/NewsPlus) , recording the number of US news reports of US officials asking China to speed up RMB flexibility/revaluation.
  • Two separate time series on the cumulative numbers of complaints
    • from US Treasury and
    • from officials of other government agencies (e.g. the White House, Congress and Fed)
we added complaints as a regressor table 19
We added # complaints as a regressor (Table 19)
  • No evidence that U.S. official complaints are associated with RMB appreciation relative to the currency basket.
  • There is evidence that cumulative complaints are associated with a reduction in the RMB’s weight on the US dollar.
timeline continued exchange rate2
Timeline, continued:Exchange rate
  • May 2008: Chinese leaders hear exporter complaints of competitiveness difficulties.
  • Mid-2008-April 2010: yuan repegs ≈ $ 6.84 RMB/$
      • ≈ 20% stronger, vs. $, than 2005.
timeline continued2
Timeline, continued
  • Oct. 2006 -- IMF Article IV consultation finds RMB “undervalued.”
  • 2007: US Treasury temporarily passes hot potato of exchange rate complaints to IMF,
    • which gets mandate for exchange rate “surveillance.”
  • 2008: Though financial crisis originates in US, “flight to quality” temporarily raises demand for $.
  • 2009: Chinese leaders, for the first time, express concerns that their vast holdings of US treasury bills may not be well-invested.
    • Pres. Obama & Secy. Geithner seek to reassure.
2009 chinese warnings
2009: Chinese warnings
  • Premier Wen worries US T bills may lose value.Urges the US to keep its deficitat an “appropriate size” to ensure

the “basic stability” of the $(again on 11/10/09).

  • PBoC Gov. Zhou, proposes replacing $ as international currency, with the SDR (March 09).


timeline continued 2010
Timeline, continued2010
  • Winter 2010: Pressure mounts --
    • International pressure on Beijing to appreciate;
    • Congressional pressure on US Treasury to find China guilty of currency manipulation in its biannual report due April 15.
    • But Chinese say they will never bow to pressure.
  • US-China relations deteriorate
    • on other fronts as well.
april 1 9 collision is averted at the last minute or at least postponed
April 1-9: Collision is averted at the last minute -- or at least postponed
  • April 1: China announces Hu Jintao trip to DC
    • to attend April 12-13 summit.
  • April 2: Beijing hints it may adjust pegging policy
    • if visit goes smoothly.
  • April 3: Treasury announces manipulation report postponed
    • from mid-April deadline,
    • probably until the summer:
      • after Strategic & Economic Dialogue in May,
      • & G-20 Summit meeting in June.
  • Implication – The two governments must have come to a face-saving understanding.
  • April 9: Geithner makes surprise stop in Beijing.
ii from china s viewpoint
(II) From China’s viewpoint,
  • Countries should have the right to fix their exchange rate if they want to.
  • True, the IMF Articles of Agreement and the US Omnibus Trade Act of 1988 call for action in the event that a country is “unfairly manipulating its currency”.
  • But
    • Almost no countries have been forced to appreciate.
    • Pressure on surplus countries to appreciate will inevitably

be less than pressure on deficit countries to depreciate.

    • It is time to retire the language of “manipulation.”
      • Usually, it is hard to say when a currency is undervalued.
      • Don’t cheapen the language that is appropriate to WTO rules.
  • China should do what is in its own long-term interest.
what is in china s interest
What is in China’s interest?
  • My view: mutually-beneficial bargain, between equals
    • E.g., China agrees that:
      • its exchange rate is part of the problem,
      • it will cooperate to lower the RMB/$ rate in a gradual manner,
      • and of course it won’t dump US treasury bills.
    • In exchange, US agrees that:
      • its low national saving rate is part of the problem,
      • it will cooperate to reduce the budget deficit,
      • and of course it won’t close off the US market to Chinese goods.
  • But perhaps a bargain isn’t even necessary;
    • It is in China’s own interest to begin appreciating the RMB.
five reasons china should let rmb appreciate in its own interest
Five reasons China should let RMB appreciate, in its own interest
  • Overheating of economy
  • Reserves are excessive.
    • It gets harder to sterilize the inflow over time.
  • Attaining internal and external balance.
    • To attain both, need 2 policy instruments.
    • In a large country like China, expenditure-switching policy should be the exchange rate.
  • Avoiding future crashes.
  • RMB undervalued, judged by Balassa-Samuelson relationship.
1 overheating of economy
1. Overheating of economy:
  • Bottlenecks. Pace of economic growth is outrunning:
    • raw material supplies, and
    • labor supply in coastal provinces
    • Also:
        • physical infrastructure
        • environmental capacity
        • level of sophistication of financial system.
  • Asset bubbles.
    • Shanghai stock market bubble in 2007.
  • Inflation 6-7% in 2007

=> price controls

    • shortages & social unrest.
  • All of the above was suspended in late 2008,
    • due to global recession.
    • But it is back again now; skyrocketing real estate prices.
attempts at sterilization to insulate domestic economy from the inflows
Attempts at “sterilization,” to insulate domestic economy from the inflows
  • Sterilization is defined as offsettingof international reserve inflows,so as to prevent them from showing updomestically as excessive money growth & inflation.
  • For awhile PBoC successfully sterilized…
    • until 2007-08.
    • The usual limitations finally showed up:
      • Prolongation of capital inflows <= self-equilibrating mechanism shut off.
      • Quasi-fiscal deficit: gap between domestic interest rates & US T bill rate
      • Failure to sterilize: money supply rising faster than income
      • Rising inflation (admittedly due not only to rising money supply)
2 foreign exchange reserves
2. Foreign Exchange Reserves
  • Excessive:
    • Though a useful shield against currency crises,
    • China has enough reserves: $2 ½ trillionby April 2010;
    • & US treasury securities do not pay high returns.
  • Harder to sterilize the inflow over time.

The Balance of Payments

≡ rate of change of foreign exchange reserves (largely $),

rose rapidly in China over past decade,

due to all 3 components: trade balance, Foreign Direct Investment, and portfolio inflows

Source: HKMA, Half-Yearly Monetary and Financial Stability Report, June 2008

attempts to sterilize reserve inflow
Attempts to sterilize reserve inflow:

Successful sterilization in China: 2005-06

High reserve growth


offset by cuts indomestic credit

While reserves (NFA) rose rapidly, the growth of the monetary base

was kept to the growth of the real economy – even reduced in 2005-06.

were remarkably successful in 2005-06.

in 2007 08 china had more trouble sterilizing the reserve inflow
In 2007-08 China had more trouble sterilizing the reserve inflow
  • PBoC began to pay higher interest rate domestically, & receive lower interest rate on US T bills => quasi-fiscal deficit.
  • Inflation became a serious problem.
    • True, global increases in food & energy priceswere much of the explanation.
    • But
      • China’s overly rapid growth itself contributed.
      • Appreciation is a good way to put immediate downward pressure on local prices of farm & energy commodities.
      • Price controls are inefficient and ultimately ineffective.
sterilization faltered in 2007 2008
Sterilization faltered in 2007 & 2008

Monetary baseaccelerated

Growth of China’smonetary base,& its components

Source: HKMA, Half-Yearly Monetary and Financial Stability Report, June 2008

china s cpi accelerated in 2007 08 inflation 2002 to 2008 q1
China’s CPI accelerated in 2007-08Inflation 2002 to 2008 Q1

Source: HKMA, Half-Yearly Monetary and Financial Stability Report, June 2008

3 need a flexible exchange rate to attain internal external balance
3. Need a flexible exchange rate to attain internal & externalbalance
  • Internal balance ≡ demand neither too low (recession) nor too high (overheating).
  • External balance ≡ appropriate balance of payments.
  • General principle: to attain both policy targets, a country needs to use 2 policy instruments.
  • For a country as large as China, one of those policy instruments should be the exchange rate.
  • To reduce BoP surplus without causing higher unemployment, China needs both
    • currency appreciation, and
    • expansion of domestic demand
      • gradually replacing foreign demand,
      • developing neglected sectors: health, education, environment, housing, finance, & services.
4 avoiding future crashes
4. Avoiding future crashes

Experience of other emerging markets suggests it is better to exit from a peg in good times, when the BoP is strong, than to wait until the currency is under attack.

Introducing some flexibility now, even though not ready for free floating.

5 longer run perspective balassa samuelson relationship
5. Longer-run perspective:Balassa-Samuelson relationship
  • Prices of goods & services in China are low
    • compared at the nominal exchange rate.
    • Of course they are a fraction of those in the U.S.: < ¼ .
    • This is to be expected, explained by the Balassa-Samuelson effect
      • which says that low-income countries have lower price levels.
      • As countries’ real income grows, their currencies experience real appreciation: approx. .3% for every 1 % in income per capita.
    • But China is one of those countries that is cheap or undervalued even taking into account Balassa-Samuelson.

The Balassa-Samuelson Relationship


Source: Arvind Subramanian, April 2010, “New PPP-Based Estimates of Renminbi Undervaluation

and Policy Implications,” PB10-08, Peterson Institute for International Economics

Undervaluation of RMB in the regression estimated above = 26%.

Estimated undervaluation averaging across four such estimates = 31%.

Compare to Frankel (2005) estimate for 2000 = 36%.

solving the problem of current account imbalances
Solving the problem of current account imbalances,

in particular, the US CA deficit & China’s surplus.

Both have widened, on long-term trends.

Imbalances narrowed sharply in 2009;

the US deficit fell by almost ½ ;

China’s CA surplus fell by almost ½.

Its trade surplus actually dipped to 0 in March 2010.

Problem solved?

The imbalances will now resume widening.

(III) What is in the global interest?



The US trade & current account balances have been on a downward path for 50 years.They “improved” sharply in 2008-09, falling by half; but this reversal was temporary, attributable to US recession,

Trade & current accounts, in $ billions per quarter

dangers of the u s trade deficit
Dangers of the U.S. trade deficit
  • Shorter-term dangers:
    • Protectionist legislation
    • A possible hard landing for the $.
  • Long-term dangers:
    • Dependence on foreign investors
    • US net debt to RoW now ≈ $3 trillion,
      • and rising.
      • Will lower our children’s standard of living.
    • When the US cuts its deficit, that will mean the rest of the world losing its surplus
      • The longer adjustment is postponed, the harder it will be.
policies to reduce the us ca deficit
Policies to reduce the US CA deficit
  • Reduce the US budget deficit over time,
    • thus raising national saving.
    • After all, this is where the deficits originated.
  • Depreciate the $ more.
    • Better to do it in a controlled way
      • than in a sudden free-fall.
    • The $ already depreciated a lot against the €
      • & other currencies
      • from 2002 to 2007.
    • Who is left?
    • The RMB is conspicuous as the one major currency that is still undervalued against the dollar.
iv changing power relationships
(IV) Changing power relationships
  • It has never worked well for the US to make a dozen different demands on China,
    • IPR, human rights, help on N.Korea, Iran…
    • when we only have one carrot/stick:
      • keeping our markets open.
  • As the world’s largest debtor, with China our primary creditor, our ability to make demands is diminished.
  • There is a particular tension between hoping China will continue to buy our Treasury bills, while asking it to stop buying our Treasury bills
    • i.e., to stop buying $ / selling RMB,
      • which is what keeps its currency from rising.
if china gave us politicians what they say they want
If China gave US politicians what they say they want...
  • we might regret it.
    • if it included reserve shift out of T bills, to match switch in basket weights from $.
    • we could have a hard landing for the $
        • including a sharp fall of US securities prices.
  • Skeptics argue China will not sell T bills
    • because, as the largest holder, it would be the biggest loser when the $ depreciated.
  • Financial market fears that China might stop buying US T bills could send the $ down in themselves.
  • If the $ is falling, China will not want to be the only one left “holding the bag.”
if china gave us politicians what they say they want1
If China gave US politicians what they say they want...
  • For US output & employment to rise,
    • we would first need other Asian currencies to appreciate along with RMB.
      • Otherwise, fall in US bilateral trade deficit with China would be offset by rise in US bilateral deficit with other cheap-labor countries.
    • It also depends on excess capacity in US economy
      • as 2008-2010…
      • and no crowding out of domestic demand via higher interest rates.
central banks reserve holdings
Central banks’ reserve holdings

The $ share has been on a downward trend since 2000

(also during 1976-1991).

the global monetary system may move from dollar based to multiple international reserve currencies
The global monetary systemmay move from dollar-based to multiple international reserve currencies
  • The € could challenge the $.
  • The SDR is again part of the system.
  • Gold in 2009 made a comeback as an international reserve too.
  • Someday the RMB will join the roster with ¥ & ₤.
  • = a multiple international reserve asset system.


  • Is the US Current account sustainable?
  • The 2003 start of RMB speculation
  • Internal & external balance

Technical appendices

economists were are split between
Economists were (are) split between

Ken Rogoff *

Maury Obstfeld

Larry Summers

Martin Feldstein

Nouriel Roubini

Menzie Chinn


Lots more

Ben Bernanke

Ricardo Caballero *

Richard Cooper

Michael Dooley

Pierre-Olivier Gourinchas

Alan Greenspan

Ricardo Hausmann

Lots more

those who saw the US deficit as unsustainable, requiring a $ fall,

and those who saw (see) no problem.


* Some claim that the financial crisis of 2007-09 fits their theories.

the events of 2007 09 struck major blows against both interpretations of ca
The events of 2007-09 struck major blows against both interpretations of CA.
  • Most of us in the unsustainability camp would have predicted that something like the US sub-prime mortgage crisis would cause a big fall in the $.
    • Instead , the $ strengthened.
  • Most of those in the sustainability camp had been arguing that the US has uniquely superior assets (corporate governance, securities markets, bank regulation…)
    • Instead, the crisis showed the US system to suffer serious flaws
      • of crony capitalism like other countries (Simon Johnson, Ragu Rajan)
      • or – worse – excessive deregulation (Joe Stiglitz)
  • The answer, for the moment: The $ and US Treasury bills still play unique roles in the world monetary system.
critics of the twin deficits view say that the us current account deficit is sustainable
Critics of the twin deficits view say that the US current account deficit is sustainable.
  • Global savings glut (Bernanke)
  • It’s a big world (R. Cooper; Al Greenspan..)
  • Valuation effects will pay for it (Gourinchas)
  • US as the World’s Banker (Kindleberger…)
  • The US offers superior-quality assets (Caballero, Forbes, Quadrini & Rios-Rull, Wei & Wu …)
  • “Dark Matter” (Hausmann & Sturzenegger)
  • Bretton Woods II (Dooley, Folkerts-Landau & Garber)
exorbitant privilege of
Exorbitant Privilege of $
  • Among those who argue that the US current account deficit is sustainable are some who believe that the US will continue to enjoy the unique privilege of being able to borrow virtually unlimited amounts in its own currency.
when does the privilege become exorbitant
When does the “privilege” become “exorbitant?”
  • if it accrues solely because of size & history, without the US having done anything to earn the benefit by virtuous policies such as budget discipline, price stability & a stable exchange rate.
  • Since 1973, the US has racked up $10 trillion in debt and the $ has experienced a 30% loss in value compared to other major currencies.
  • It seems unlikely that macroeconomic policy discipline is what has earned the US its privilege !
the bretton woods ii hypothesis
The “Bretton Woods II” hypothesis
  • Dooley, Folkerts-Landau, & Garber (2003) :
    • today’s system is a new Bretton Woods,
      • with Asia playing the role that Europe played in the 1960s—buying up $ to prevent their own currencies from appreciating.
    • More provocatively: China is piling up dollars not because of myopic mercantilism, but as part of an export-led development strategy that is rational given China’s need to import workable systems of finance & corporate governance.
there is no reason to expect better today
There is no reason to expect better today:
  • Capital mobilityis much higher now than in the 1960s.
  • The US can no longer necessarily rely on support of foreign central banks:
      • neither on economic grounds(they are not now, as they were then, organized into a cooperative framework where each agrees explicitly to hold $ if the others do),
      • nor on political grounds(China & OPEC are not the staunch allies the US had in the 1960s).

3) A possible rival currency to the $ exists.

my own view on bretton woods ii
My own view on “Bretton Woods II”:
  • The 1960s analogy is indeed apt,
  • but we are closer to 1971 than to 1944 or 1958.
  • Why did the BW system collapse in 1971?
    • The Triffin dilemma could have taken decades to work itself out.
    • But the Johnson & Nixon administrations accelerated the processby fiscal & monetary expansion (driven by the Vietnam War & Arthur Burns, respectively).
    • These policies produced: declining external balances, $ devaluation, & the end of Bretton Woods.
ii 3 a internal and external balance
(II) 3-A Internal and externalbalance
  • Between 2002 and 2007, China crossed from the deflationary side of internal balance (ES: excess supply, recession, unemployment), to the inflationary side (ED: excess demand side, overheating). And again in 2009.
    • =>Moved upward in the “Swan Diagram”
    • => appreciation called for under current conditions.
    • Together with expansion of domestic demand
      • gradually replacing foreign demand,
      • developing neglected sectors: health, education, environment, housing, finance, services
  • General principle: to attain 2 policy targets (internal & external balance), a country needs to use 2 policy instruments (real exchange rate & spending).
china is now in the overheating surplus quadrant of the swan diagram

ED & TB>0


External balance


Excgange rate E in RMB/$






ES & TB>0


Internal balance

Y = Potential


China is now in the overheating + surplus quadrant of the Swan Diagram

Spending A

The US is not alone in its path of rising debt. Other major industrialized economies have the same problem.
  • A remarkable role-reversal:
    • Debt/GDP of the top 20 rich countries
    • (≈ 80%) is already twice that of the top 20 emerging markets;
    • and rising rapidly.
    • By 2014 (at ≈ 120%), it could be triple.
one of the most important developments of 2009 the g 20 supplanted the g 7
One of the most important developments of 2009:the G-20supplantedthe G-7
  • Finally giving some representation to China and other large emerging market countries,
    • after years of failed attempts in the IMF & elsewhere
Explaining findings of Treasury Department biannualReport to Congress on Int.Ec. & Exchange Rate Policy

  All countries 15 Asian economies Excluding oil exporters

US bilateral TB -0.92*** -0.99***


Partner’s 0.014*** 0.028**

CA/GDP 0.002 0.007

Partner’s Real -0.18*** -0.23** Exchange Rate 0.0291 0.1115

Change in 0.003 -0.012

reserves/GDP 0.003 0.009

US unem- 0.022** 0.08** ployment0.010 0.037

*** statistically significant at 99% level

estimating the weights
Estimating the weights
  • A problem made-to-order for OLS regression.
  • Regress % changes in value of RMB against % changes in values of candidate currencies.
  • Δ log RMBt =

c + α Δlog $t + β1Δlog € t + β2 Δlog ¥t + …

  • The coefficients are the basket weights.
  • Can impose α + Σ β j = 1.

F& Wei (2007), Frankel (2009)

does the balassa samuelson relationship have predictive power
Does the Balassa-Samuelson relationship have predictive power?
  • Typically across countries, gaps are corrected halfway, on average, over subsequent decade.
  • => 3-4 % real appreciation on average per year, including effect of further growth differential.
  • Correction could take the form of either inflation or nominal appreciation, but appreciation is preferable.
the conclusion that it would be in china s interest to allow rmb to appreciate
The conclusion – that it would be in China’s interest to allow RMB to appreciate --
  • has long been shared by top economic officials in China, it is believed.
  • But the decision is a political one:
  • It is a matter of Hu and Wen !

Central banks’ reserve holdingsFrankel & Chinn (2007)estimated effects of country size, market depth, ability to hold value, and network effects

Simulation suggests € could overtake $ by 2022.