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For release on delivery
2:15 p.m. local time (9:15 a.m. EDT)
June 8, 2004

Remarks by
Alan Greenspan
Chairman
Board of Governors of the Federal Reserve System
via satellite
before the
International Monetary Conference
Central Bankers Panel
London, England
June 8, 2004

One of the defining characteristics of the recent business expansion in the United
States has been the evident reluctance of corporate managers to expand spending and hiring
aggressively in response to and in anticipation of continued cyclical growth. A substantial
rebound in business spending had been a hallmark of most past economic expansions.
Judging by the pickup in capital spending in recent quarters, businesses are becoming more
confident in the strength and durability of the cyclical upturn. Still, over the four quarters
ending in March, corporate investment in capital and inventories likely fell short of rapidly
rising cash flow for the first time, over a comparable period, since the mid-1970s. Corporate
debt expansion has accordingly been tepid. Indeed, corporate net bond issuance was negative
in May.
The exceptional reluctance to expand payrolls also appears to have waned this year,
and businesses are once again hiring with some vigor. But for nearly three years prior,
managers sought every avenue to forestall new hiring despite rising business sales. Their
ability to boost output without adding appreciably to their workforces, appears to have
reflected a backlog of unexploited capabilities to enhance productivity with minimal capital
investment, a delayed effect of the capital goods boom of the 1990s. Even now, the
proportion of increases in temporary workers relative to total employment gains has been
unusually large, suggesting that business caution remains a feature of the economic landscape.
This hesitancy on the part of businesses to expand risk-taking, as I have noted in the
past, is an apparent consequence of scandals surrounding corporate accounting and
governance, an aftermath of the stock market surge. Although there is no compelling
evidence that corporate governance risk has fully subsided, with time, it should. An increased
willingness to borrow, and ample liquid assets, should provide a further lift to capital
investment and, with it, economic activity.
***

With concerns of deflation now presumably safely behind us, developments ahead are
likely to be dominated by the paths of productivity growth and profit margins—assuming, of
course, the always latent danger of terrorism in the United States remains in check. Profits of
nonfinancial corporations as a share of sector output, after falling to 7 percent in the third
quarter of 2001, rebounded to 12 percent in the first quarter of 2004, a pace of advance not
experienced since 1983. This sharp recovery in profits reflects, at least in part, the dramatic
swing over the past couple of years from relatively heavy business price discounting to the
restoration of a significant degree of pricing power.
The most visible manifestation of the return to pricing power can be seen in the recent
acceleration of core consumer prices. The twelve-month percent change in the core PCE
price index, which stood at just above 0.8 percent in December of last year, was at 1.4 percent
in May.
To better understand recent developments, it is helpful to view prices from the
perspective of consolidated costs and profit margins. From the first quarter of 2003 to the
first quarter of 2004, consolidated unit costs for the nonfinancial corporate business sector
declined. Hence, at least from an accounting perspective, all of the 1.1 percent increase in the
prices of final goods and services produced in that sector during that period was the
consequence of a rise in profit margins. The 6.4 percent increase in nonfinancial corporate
business productivity over those four quarters accounts for much of the decline in unit costs.
The remainder of the decline is accounted for by the effects of accelerating output in reducing
nonlabor fixed costs per unit of output.
Productivity in the nonfinancial corporate sector evidently decelerated somewhat this
year. Moreover, as best we can judge, the growth of compensation per hour has stepped up in
recent months. With gains in hourly compensation now apparently outstripping advances in
productivity, unit labor costs have moved up. Moreover, the increase in overall operating
expenses over the last couple of months has also reflected higher energy costs and rising
prices of imported non-oil inputs. It seems unlikely, however, that a further rise in profit

margins will contribute to significantly higher prices of final goods and services. In an
endeavor to exploit current high margins, businesses are being driven to expand their use of
capital and labor resources. If history is any guide, this will tend to increase both real wages
and interest rates. Fears of losing market share should dissuade businesses from passing these
high costs fully through to prices. Accordingly, the forces of competition should cap the rise
in profit margins and ultimately return them to more normal levels.
To date, the aforementioned cost pressures have been relatively subdued.
Nonetheless, the persistence of the rise in energy prices is a worrisome element in the cost
picture.
Fears for the long-term security of oil production in the Middle East, along with
increased concerns about prospects in other oil-producing countries, are doubtless key factors
behind the nearly $9 per barrel rise in distant crude oil futures since 2000. This run-up
presumably reflects a broadening of demand for claims on oil inventories beyond traditional
commercial buyers and sellers of crude oil and petroleum products. The marked rise in the net
long positions of non-commercial investors in oil futures and options since May 2003 has
increased net claims on an already diminished global level of commercial crude and product
inventories. Oil prices accordingly have surged.
At some point, however, investors will have achieved the level of claims on oil that
they seek. When that occurs, their demand will presumably stop rising, thus removing some
of the current upward pressure on prices. Nonetheless, the increased value of oil imports has
been a net drain on purchasing power, spending, and production in the United States.
Moreover, higher oil prices, if they persist, are likely to boost core consumer prices, as well as
the total price level, in this country. The recent modest declines in oil and natural gas prices
may or may not signal a trend but are nonetheless welcome.
* **
The end of deflationary fears and the onset of modest upward pressure on costs,
coupled with a strengthening economic outlook in the United States, have driven long-term

interest rates higher, which has spurred a marked shift in credit flows and has prompted many
firms to focus on the possibility of further interest rate increases in developing their hedging
strategies. The rise in rates, for example, has induced a dramatic fall in mortgage refinancing
and, hence, has produced a pronounced rise in the duration of mortgage-backed securities
(MBS). Owing to the volume of the earlier wave of mortgage refinancing, there is now a
paucity of existing mortgages at rates appreciably above current levels, implying that the
extent of further duration hedging is likely to be quite modest.
As a consequence of record levels of refinancing in the second half of 2002 and the
first half of 2003—which, by our estimates, encompassed roughly 45 percent of the total value
of home mortgages outstanding—MBS duration fell to exceptionally low levels. As mortgage
and other long-term rates rebounded last summer, a consequence of rapidly improving
economic conditions and the fading of deflationary concerns, refinancing fell sharply,
removing most downward pressure on duration. Holders of MBS endeavoring to hedge
developing interest rate gaps rapidly shed receive-fixed swaps and Treasuries, and these
actions markedly aggravated last summer's long-term interest rate upturn.
In recent months, mortgage rates have risen further, suppressing much of what is left
of incentives to refinance, thereby increasing mortgage duration to its current elevated level.
This suggests that the vast secondary market for home mortgages has largely adjusted to the
recent increases in mortgage rates.
Moreover, the expectation of Federal Reserve tightening has apparently already
induced other significant balance sheet adjustments as well. An unwinding of carry trades is
notably under way at least judging from the shift in the trading portfolios of primary dealers.
In addition, a swing toward a net short position on ten-year Treasury note futures among
investors has been the largest since the inception of the contract in the 1980s.

* * *

Economic developments going forward will determine the level and term structure of
interest rates. Federal funds futures prices already reflect expectations of a substantial firming
of policy by the Federal Open Market Committee (FOMC). Unlike 1994, there has been an
appreciable increase of market rates in anticipation of policy tightening, though history
cautions that investors' anticipations of the cumulative magnitude of policy actions and their
timing under such circumstances are far from perfect.
Lastly, let me emphasize that recent financial indicators, including rapid growth of the
money supply, underscore that the FOMC has provided ample liquidity to the financial
system that will become increasingly unnecessary over time. The Committee is of the view,
as you know, that monetary policy accommodation can be removed at a pace that is likely to
be measured. That conclusion is based on our current best judgment of how economic and
financial forces will evolve in the months and quarters ahead. Should that judgment prove
misplaced, however, the FOMC is prepared to do what is required to fulfill our obligations to
achieve the maintenance of price stability so as to ensure maximum sustainable economic
growth.