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But it is a lousy leading indicator. For example, in 1990:Q1, real
GDP increased at an annual rate of 4.70% quarter-to-quarter -- its fastest
growth since 5.38% in 1988:Q4. But, as Chart 1 shows, sequential quarterly
real GDP did not attain annualized growth of 3-1/2% or higher until 1992:Q1.
Chart 1

Quarter-to-quarter annualized real GDP growth hit 4.77% in 1994:Q4. As shown
in Chart 2, real GDP growth did not surpass 3-1/2% until 1996:Q2.
Chart 2

Quarter-to-quarter annualized real GDP growth hit 6.43% in 2000:Q2. As shown
in Chart 3, it did not surpass 3-1/2% until 2003:Q2.
Chart 3

All of which brings us to the advance estimate of 4.82% real GDP growth in
2006:Q1. Is this the harbinger of continued solid growth in excess of 3-1/2%
or the swan song for such growth? I'm placing my bets on swan song. The reason
is that just like 1990:Q1, 1994:Q4 and 2000:Q2, my proprietary real GDP forecasting model,
which, by definition incorporates leading indicators of economic activity,
is now signaling slower economic growth ahead - in fact, considerably slower
growth.
Chart 4 shows the year-over-year growth in actual real GDP along with the
year-over-year growth in real GDP as forecasted by my proprietary model. The
shaded areas in the chart are the quarters of relative peaks in quarter-to-quarter
real GDP growth as discussed above. The (blue) line is the forecasted year-over-year
real GDP growth. The model gives a forecast two quarters ahead. So, at each
of these relative peaks in actual real GDP growth, the model was forecasting
that the growth would be moderating in the two quarters ahead. As
of right now, the model is forecasting that by 2006:Q3, year-over-year real
GDP growth will be about 3% vs. 3.5% as of 2006:Q1. This implies that annualized
real GDP growth quarter-to-quarter will average about 2.7% over the next two
quarters vs. its 3.2% average over the past two quarters.
Chart 4

Both in the minutes to the March 28 FOMC meeting and in Chairman Bernanke's
April 27 testimony to the Joint Economic Committee, the message was communicated
that the Fed expects real GDP growth to moderate from its blistering
pace set in 2006:Q1. I doubt seriously if the Fed's forecasting model bears
much resemblance to mine. But both are sending the same message - economic
growth is set to slow. And the policy implication is that the FOMC is set
to pause after one more 25 basis point funds rate hike on May 10.
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