bordo under what circumstances can inflation be a solution to excessive national debt
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Bordo Under What Circumstances Can Inflation Be a Solution to Excessive National DebtTRANSCRIPT
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Under What Circumstances Can Inflation Be a Solution to Excessive National Debt: Some Lessons from History?
Michael D. Bordo
Rutgers University, Hoover Institution, Stanford University and NBER
Paper prepared for the Conference “Paper Money—State Financing—Inflation” Institut fur bankhistoriische Forschung e.V, Deutshe Bundesbank, Frankfurt, Germany, September 18, 2012
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Under What Circumstances Can Inflation be a Solution to Excessive National Debt: Some Lessons from History
Abstract
The strategy of monetizing national debt by purchasing newly issued government debt with central bank
money as well as using inflation to reduce the real value of outstanding nominal debt is fraught with the
peril of creating high inflation. This was the case in several famous episodes of hyperinflation in the
interwar period. But there are some situations where monetizing government debt can be the best thing to
do, for example during a war where a country’s survival is at stake or during a deep depression like the
Great Depression of the 1930s when real output and prices declined by over 30 per cent. In each of these
cases money financed fiscal deficits can be effective but theory and history teaches us that once the
emergency is past the expansionary policy must be reversed.
Introduction
The massive debts that have been built up by the U.S., U.K., and other advanced countries since the
financial crisis of 2007-2008 as well as the large debts of many members of the euro area has led by the
call by some to monetize the debt (or alternatively to reduce it by financial repression).By monetizing the
debt I mean both purchasing newly issued government debt with central bank money as well as using
inflation to reduce the real value of outstanding nominal debt. The strategy of monetizing national debt is
fraught with the peril of creating high inflation. This was the case in several famous episodes of
hyperinflation in the interwar period. But there are some situations where monetizing government debt
can be the best thing to do, for example during a war where the country’s survival is at stake or during a
deep depression like the Great Depression of the 1930s when real output and prices declined by over 30
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per cent. In each of these cases money financed fiscal deficits can be effective but both theory and history
teaches us that once the emergency is past the expansionary policies must be reversed.
Some Theoretical Considerations
Tax smoothing and Revenue Smoothing
In wartime situations when large government expenditures are needed, running a balanced budget would
require large increases in tax rates, which would severely reduce the incentives for economic activity just
when the need for such activity is the greatest. Borrowing from the public allows the government to
smooth tax rates over time. The theory of tax smoothing implies that an optimizing government will set
taxes over time so as to minimize deadweight losses (Barro 1989). In a policy of tax smoothing, if future
government expenditures are known with certainty, then the tax rate will be set to reflect those
expenditures and will remain constant over time. In an uncertain world, taxes will follow a martingale as
the government attempts to forecast expenditures rationally and set the current tax rate consistent with its
forecast of the future so that only unpredictable events will produce changing tax rates. Once the war time
emergency is passed the government must raise taxes, cut expenditures and pay off the accumulated debt.
Following such a strategy will convince the bond markets of the government’s credibility and allow it to
tax smooth in the next wartime emergency (Barro 1989, Bordo and Kydland 1996). Such a strategy was
successfully followed by the British in the Napoleonic wars (Bordo and White 1990).
If it is difficult to raise taxes or issue debt as was the case of the United States in its War of Independence,
an alternative strategy for the government is to use the inflation tax, a tax on real cash balances. The
theory of revenue smoothing considers the case where the government has two fiscal instruments:
taxation and seigniorage (the inflation tax). According to the theory the government would at each
moment of time set each tax rate so as to minimize the deadweight losses (excess burdens) of the
instrument (Diamond and Mirrlees 1971). Over time an optimizing government would smooth revenues
from both instruments and both instruments would evolve as a martingale (Mankiw 1987). Again like the
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issue of debt which is a tax on future consumption, the inflation tax needs to be reversed once hostilities
cease.
Unpleasant Arithmetic and Fiscal Dominance
Maintaining high debt levels once the wartime emergency has passed is fraught with peril. Sargent and
Wallace (1991) posited that unsustainably high debt ratios (where the present value of expenditures
exceeds the present value of taxes) could lead to “unpleasant monetarist arithmetic” which forces the
central bank to use its seigniorage to service and monetize the debt. The recent fiscal theory of the price
level (Leeper and Walker 2011) leads to a similar bad outcome through a different mechanism. According
to this framework, in normal times the central bank pursues active monetary policy—following a low
inflation target—independent of the fiscal authority. The fiscal authority is expected to fully offset fiscal
deficits today with surpluses in the future. In times of fiscal stress like the present, there is a possibility
(for political or other reasons) that taxes will not be raised or expenditures cut sufficiently in the future to
prevent the national debt from ballooning. In that situation, fiscal policy will become active and monetary
policy passive, referred to as a state of fiscal dominance. Economic agents will perceive the increase in
nominal debt to be an increase in their real wealth, leading them to increase their consumption
expenditures and hence raising the price level. Higher prices will reduce the real value of the national debt
and restore fiscal equilibrium. These theories suggest that unless a political deal is worked out to restore
and maintain fiscal balance that future inflation is in the cards.
Historical Examples When Using Money Financed Fiscal Deficits is Desirable.
Two circumstances where money financed fiscal policy is desirable are in major wars and a situation like
the Great Depression of the 1930s.
Major Wars
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Bordo and White (1990) describe the war finance strategies of Britain and France during the Napoleonic
Wars. On the one hand Britain which had successfully followed a tax smoothing policy in several wars
in the eighteenth century was able to largely finance the Napoleonic wars by debt issue and a minimal
amount of seigniorage. The British had successfully used debt finance in the Seven Years War and the
War of the American Revolution, paying off the wartime accumulated debt with higher taxes after the
war. This strategy gained the British the credibility to finance a much bigger war largely through taxes.
Sovereign bond spreads rose only minimally. Moreover the Bank of England followed an inflationary
policy in the War after it suspended convertibility into gold in 1797. The Bank freely discounted
Exchequer bills and was one of the first central bank to use the engine of inflation. Because the Bank had
credibly adhered to specie convertibility through the eighteenth century, it was able to raise revenue
without triggering a rise in velocity. After the war the debt ratio was successfully reduced from 260% in
1819 to 127% in 1849 and much lower by the end of the nineteenth century. Also after the War the Bank
followed a deflationary policy to restore the gold standard at the original parity. These actions represented
the two pillars of classical orthodoxy—maintaining the gold standard and balanced budgets.
By contrast, France which had defaulted on its debt after the American Revolutionary war and had
generated the Assignat hyperinflation during the French Revolution did not have the credibility to follow
the tax/ revenue smoothing strategy pursued by the British. In 1803, Napoleon founded the Banque de
France and the franc germinal based on bimetallism. They did not have the credibility to either issue
significant amounts of debt or to temporarily print money. Consequently the French financed the war by
taxes and by collecting tribute from their conquered territories—a strategy which in the end was not
successful.
World War I was financed by the belligerents by a mix of taxes, debt and seigniorage. The mix differed
depending on the course and expense of the war with the United States, the last to enter, issuing the least
seigniorage and debt and the Germans the most. Germany was at a disadvantage relative to the other
European belligerents because it did not have access to foreign sources of finance. Germany was at a
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disadvantage to the other European belligerents because it did not have access to foreign sources of
finance. The tax smoothing and revenue smoothing policy worked best for the United States and Great
Britain. Both were able to service and amortize their debts after the war by higher taxes and to offset
most of the wartime inflation by postwar deflationary policies. Germany and France were examples of
unsustainable debt and high inflation to be discussed in detail below.
World War II for the allies was financed with lower seigniorage and debt than World War I yet the larger
scale of wartime expenditures left a large debt burden. The debt burden overhang in both the U.S. and the
U.K. was removed by a combination of rapid growth, inflation and financial repression. The post World
War II experience departed from the classical tax smoothing model. The debt was reduced by inflation
not by fiscal consolidation and deflation (Grossman 1990).
The Great Depression
The Great Contraction of 1929 to 1933 was the deepest recession ever experienced in the United States,
Germany and many other countries. In the U.S. real GDP fell by more than 30% as did the price level.
This is a multiple of the recent Great Contraction. Milton Friedman and Anna Schwartz in their classic A
Monetary History of the United States (1963) attributed the U.S. contraction to a failure by the Federal
Reserve to use expansionary monetary policy to offset a series of banking panics from 1930-33 which led
to a collapse in the money supply. According to them had the Fed offset the panics by expansionary open
market operations the collapse of output and deflation would have been attenuated. Friedman (1960) and
elsewhere posited that had the Fed followed his constant money growth rate rule that the Great
Contraction would have been avoided altogether. McCallum (1990) and Bordo and Schwartz (1995)
backed this up with econometric analysis.
Milton Friedman also discussed the use of money financed fiscal policy in his “A Monetary and Fiscal
Framework for Economic Stability” in 1948 and later in his debate with Walter Heller, Monetary versus
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Fiscal Policy in 1968.There he argued that fiscal policy financed by money was the only kind of fiscal
policy that would have much traction in stabilizing the real economy. In that book and in his lectures at
the University of Chicago he showed that the multipliers of money financed fiscal policy greatly
exceeded those of bond financed or tax financed government expenditures or tax cuts. This analysis
suggests that had the Fed engaged in monetizing the debt in the 1930s that the Great Depression could
have been avoided. This is very close to his analogy of a helicopter dropping new dollar bills in his 1969
Optimum Quantity of Money. Ben Bernanke in a speech in 2002 picked up on Friedman’s idea and
argued that the Fed always had the tools to stimulate the economy. At the time he was referring to the
situation in Japan of mild deflation and policy interest rates at the zero nominal bound (Ball 2012). In
actual fact the recovery after 1933 had very little to do with expansionary monetary or fiscal policy
(Romer 1992). It reflected the devaluation of the dollar in 1933-34, President Roosevelt’s gold (and
silver) purchasing policies and later gold inflows from Europe as the threat of war mounted. Thus had the
Fed followed a policy of fiscal deficits the Great Depression could have been avoided and such a policy
could be used again in similar circumstances.
Historical Examples where Monetizing the Debt was Unsuccessful
History suggests a number of examples where monetizing debt in peacetime led to disastrous
consequences. Understanding these cases may have resonance for the situation that the U.S., the U.K and
the Euro area faces today.
Weimar Germany 1921-23
The worst case scenario of fiscal dominance creating inflation is that of Weimar Germany in the 1920s.
The fiscal problem facing Germany after its defeat in World War I was its inability to fund the increase in
its deficit produced by the demands of the Treaty of Versailles reparations, payable principally to France
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and Belgium. The reparations were payable in gold marks and dollars (denominated in gold) and tax
revenues were payable in paper marks. The inability (unwillingness) to raise taxes sufficiently or to
borrow funds to pay the reparations abroad (as was done earlier in 1871 after France’s defeat by Germany
in the Franco Prussian war) meant that the fiscal deficits would have to be monetized (in the conventional
lexicon) or in terms of the fiscal theory—that the price level would have to rises. Rising prices and falling
exchange rates (see figures 1 and 2) led to a burgeoning fiscal deficit and an explosion in nominal debt.
The resulting hyperinflation reflected both a stalemate between France and Germany over the pace and
timing of reparations and political chaos within Germany which impeded a solution to the fiscal impasse.
A comparison between the experience of Germany in the 1920s and the U.S. (or other countries) today
may be a bit too extreme. The political environment in Germany after World War I, involving open civil
war between the communists and the extreme right and then the occupation of the Ruhr by the French was
infinitely worse than today’s bickering between the Republican Tea party and the liberal democrats, and
the postwar disruption in Germany after the war seems very far removed from the aftermath of a
recession , although severe by post World War II standards when compared to the recessions before
World War II , is relatively mild. Moreover the fact that reparations were payable in gold, i.e. that
external debt was payable in foreign currency, is a major source of crisis instability for emerging
countries but not at present for the U.S. which is still the dominant international currency and all U.S.
debt is denominated in dollars.
France 1921 to 1926
The experience of France in the 1920s is much more compelling than that of Germany as an example to
illustrate the pitfalls of rising debt. This is because the political situation in France was not nearly as dire
as in Germany, the French economy was in better shape, French debt was denominated in local currency,
and the fiscal crisis that occurred did not lead to a hyperinflation. The French situation after World War I,
in comparison to that of Great Britain (Bordo and Hautcoeur 2007) has all the elements of active versus
passive monetary and fiscal policies. The British experience could be characterized by active monetary
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and passive fiscal policies whereas the French case was the opposite. Both countries emerged from World
war I with more than a doubled price level (see figure 3), a high ratio of debt to GDP (figure 4), large
fiscal deficits (figure 5) and a devalued exchange rate (figure 6). France was in worse shape than Britain
in all dimensions but not by much. The key difference between the two countries was in their fiscal and
monetary stances after the war. France had a higher debt ratio, more short-term debt and a big monetary
overhang. France had extensive destruction of its physical capital stock but also a faster growth rate than
Britain.
The British were able to pull off a successful stabilization and resumption to the gold standard at the
original parity beginning in 1919 and culminating in April 1925. The French stabilized later and went
back to gold with an 80% depreciation in the franc. More important, France had six years of rapidly rising
prices and as in the fiscal theory of the price level model, the rise in the price level reduced the real value
of the national debt. Fiscal balance was restored in 1926 by a political compromise between the left and
the right involving both rising taxes and reduced government expenditure.
The French fiscal problems are well known (Eichengreen 1992). First, like Britain, France financed
World War I with a combination of taxes, debt and seigniorage, but France didn’t raise taxes as much so
that the deficit and debt was higher (see figures 4 and 5). In both countries the central bank absorbed
short-term Treasury bills and pegged short-term interest rates.
Second, France, unlike Britain, didn’t have the political commitment to stabilization and resumption that
the British did. There were three issues; a) reparations--the belief that German reparations would pay for
reconstruction; b) a struggle between the left and the right over who would cover the fiscal deficit once it
became apparent that the Germans would not pay. The left wanted to impose a capital levy and the right
wanted to raise excise and other taxes; c) the French had monetized more of their short-term debt than did
the British and consequently had a larger monetary overhang which required more deflation to get back to
the pre war gold parity. Moreover the government had to repay its short-term debt to the Banque de
France which in turn would raise the deficit and the debt.
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The political tug of war continued for seven years with several changes of government and many finance
ministers. Instead of raising taxes and cutting expenditures sufficiently to balance the budget, the
government kept issuing short-term bills which they had difficulty selling and rolling over and hence
they were absorbed by the (passive) Banque de France leading to inflation and a depreciating exchange
rate.
An equilibrium which solved the political impasse was finally achieved in July 1926 when a revolt by
left wing deputies in Parliament led to an invitation by Raymond Poincare (center right) to take over the
government and rule by decree. He raised taxes, cut expenditures and was able to borrow dollars from JP
Morgan and Lazards and use the funds to conduct a bear squeeze on speculators selling francs short. This
stabilized the franc which was then pegged to gold at a greatly devalued rate in December.
Bordo and Hautcoeur (2007) simulate a model of the French economy in the 1920s and show that it was
impossible for France to engineer a British style stabilization and resumption. This is because following
the British route of consolidating debt and deflation would have increased French nominal debt to
unsustainable levels. See figure 7. This suggests that France had to have a huge increase in the price level
and a major devaluation to achieve fiscal equilibrium. We also show that economic circumstances could
have allowed stabilization two years earlier, in early 1924 when an earlier Poincare government was in
power, with a much smaller devaluation and less inflation than ultimately occurred. It did not happen
because Poincare lost the election in the spring and it became impossible to work out such a deal.
The Great Inflation 1965 to 1979
The run up in inflation from 1965 to 1979 in the U.S. and other countries was closely connected with
fiscal dominance. In the U.S. beginning in the early 1960s in the Kennedy and Johnson administrations
Keynesian ideas began to overtake fiscal orthodoxy. Walter Heller, James Tobin and Arthur Okun,
leading economists in the Council of Economic Advisors, encouraged the use of activist fiscal and
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monetary policy to tame the business cycle. They also believed in the Phillips curve tradeoff that
expansionary monetary and fiscal policy could reduce the unemployment rate at the expense of higher
inflation. In that environment the Federal Reserve began active policy coordination with the fiscal
authorities. It also followed a policy of “even keel” in which the central bank would suspend monetary
tightening while the Treasury was funding government debt. As Meltzer (2010) points out once the
expansionary Vietnam War and the Great Society programs were underway that the Fed often deferred to
the Treasury and held off from monetary tightening.
In the UK the Bank of England was not independent from the Treasury until the 1990s. In the 1960s and
1970s the stance of monetary policy was largely dictated by the state of the government budget. During
this period the growth of the sterling M3 money stock was driven largely by the public sector borrowing
requirement (Laidler 1976 and Ahktar and Putnam 1979). As in the U.S., fiscal and monetary policy was
dedicated to maintaining full employment. Moreover the Treasury did not believe that the rise in inflation
was related to monetary expansion but rather reflected the exogenous union driven rise in money wages
(DiCiccio and Nelson 2012).To arrest inflation, the Treasury encouraged the use of incomes policies.
In both countries inflation burgeoned until deliberate policy actions were undertaken in 1979 and 1980 to
drastically tighten monetary policy and keep it tight at the expense of a serious recession until the back of
inflationary expectations was broken by the early 1980s.
Some Policy Lessons for Today
The German and French cases are cautionary tales about how bad things could get if the high debt ratios
that the US and other countries presently have are not resolved. There are also some similarities with the
1970s since the Subprime Mortgage Crisis and Great Recession were resolved by central banks engaging
in credit policy and other fiscal actions to preserve the solvency of the financial system. There is a
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temptation to inflate away the debt as was done in the U.S. after World War II when the debt to GDP ratio
was reduced by two thirds from 120 % in 1945 within two decades (Aizenman and Marion 2010). But
unlike the 1950s and 1960s the rate of growth is much lower today, the term structure of the debt is much
shorter and the extent of financial repression considerably less (Reinhart and Sbrancia. 2011). Thus the
amount of inflation required to reduce the debt ratio would be much greater than in the postwar period.
This would raise the risk of an elevation of inflationary expectations which could then become persistent
leading to a repeat of the events of the 1970s Great Inflation.
Moreover even if central banks don’t explicitly engage in expansionary policies to reduce the debt
overhang, the fiscal theory of the price level predicts that prices will rise to ensure present value balance.
Thus there is a strong case for cutting government expenditure and raising taxes to restoring sustainable
fiscal balance in the near future.
These historical examples suggest that if the debt ratio gets high enough, then a rise in the price level is
pretty likely. However recent history also suggests that a political deal is a good possibility before such an
outcome was to be reached. Two pertinent examples tell how such a deal can be worked out without
leading to inflation.
Canada in 1995 worked out just such a deal with fundamentals not too much better than presently in the
U.S. (Barnes 2011, Redish 2011). Pierre Eliot Trudeau’s Liberal government ran increasingly higher
fiscal deficits and debt ratios from the 1960s to 1980s to finance a massive expansion of the social safety
net, with the debt ratio reaching close to 50% by 1984. The succeeding conservative government under
Brian Mulroney tried unsuccessfully to restore fiscal balance but rising debt service costs pushed the debt
ratio to close to 70% by the early 1990s. After a down grade of its debt ratings by Moodys and two
scathing articles in the Wall Street Journal, the succeeding Liberal government, under the guidance of
Finance Minister Paul Martin, successfully restored fiscal balance. Martin’s 1995 budget drastically cut
government expenditures across the board combined with minimal tax increases. Provincial governments
followed suit with major spending cuts. Fiscal Stringency was maintained for three years. The result was
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that the deficit declined from over 7% in 1995 to a surplus by the end of the decade and the debt ratio was
cut by more than half.
Similar but less dramatic consolidations were put in place in the U.S. first by the George Herbert Bush
administration with the Budget Enforcement Act of 1990 and then by the Clinton administration’s
Omnibus Budget Reconciliation Act of 1993.These two acts reduced fiscal deficits from close to 5% to a
surplus by the end of the twentieth century with a combination of cuts in government spending and rise in
tax rates. The successful fiscal outcome of the 1990s was most likely aided by the Peace dividend after
the collapse of the Soviet Union and by rapid productivity advance.
Although the political climate is considerably more polarized in the U.S. today than it was in the 1990s
and the real economy is in much worse shape, a deal may be worked out sooner rather than later to
reverse the burgeoning debt following the Great Recession and the future rise in debt expected from the
growth of entitlements to an aging population. This will likely occur in the short-term to avoid the
immediate threat to the economy of the ‘fiscal cliff” and in the longer term because of a potential threat to
the dollar’s “ exorbitant privilege” and the losses that would entail for the U.S. economy (Eichengreen
2010). The exchange rate is a forward looking variable which could easily telescope a future fiscal
impasse to the present. A dollar crisis in 1978 triggered President Carter’s appointment of Paul Volcker in
1979 to engineer his famous shock which ended the Great Inflation—a similar fiscal event could happen
in the U.S. in the not too distant future. In the case of the U.K which is a much smaller and more open
economy than the U.S. and where sterling lost its reserve currency status decades ago, the financial
markets forced it to consolidate before substantial recovery from the Great Recession occurred. Debate
continues over whether it consolidated too soon. Time will tell which strategy is best.
Postscript on the Euro area
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The Greek debt crisis is a different story than is the case for the advanced countries after the recent
financial crisis and Great Recession. Its story is very close to the 1920s examples discussed above. Absent
the ability to inflate away its debt, default is the only option unless it continues to be bailed out by the rest
of the Euro area. The other peripheral countries are closer to the Great Depression story but EMU
prevents them from using expansionary monetary policy or devaluing and the absence of a fiscal union
prevents fiscal transfers from aiding in their adjustment. The EMU authorities are moving closer towards
a fiscal union with a central government with some taxing authority and the ability to make inter member
fiscal transfers, as well as a banking union. The history of other fiscal/monetary unions suggests that a
credible no bail out clause is necessary for them to work without creating a climate of moral hazard,
transfer dependence and the monetization by the union of the deficit members’ debt. ( Bordo, Jonung and
Markiewicz 2012)
Figure 1
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(Source: Velde 2012)
Figure 2
(Source: Velde 2012)
Figure 3: Price Level (1910=100)
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(Source: Bordo and Hautcoeur, 2007)
Figure 4: Debt to GDP
(Source: Bordo and Hautcoeur, 2007)
Figure 5: Budget Deficit (% of GDP)
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(Source: Bordo and Hautcoeur, 2007)
Figure 6: Nominal Exchange Rate
(Source: Bordo and Hautcoeur, 2007)
Figure 7: Nominal Public Debt
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(Source: Bordo and Hautcoeur, 2007)
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