If Alan Greenspan is on the same weekly distribution lists that I am (his e-mail address is probably top secret, not to be dispensed randomly to the hoi polloi), he was probably struck by two graphs in Wall Street's economic research.
Based on the one-picture-worth-a-thousand-words doctrine, Salomon Smith Barney's "Comments on Credit" produced a graph of real retail sales and manufacturing production, which is a real measure computed and reported by the Federal Reserve every month.
The two series rarely stray far from one another. In the last two years, however, the gap between the two lines has become wide enough to steer the USS Nimitz through with the captain three sheets to the wind. Real retail sales have increased by 8 percent while manufacturing output has fallen 5 percent.
"Given the degree of the shortfall in output, we've tried to tell people we don't need strong demand to get strong growth," says Salomon economist Bob DiClemente.
That's the counter-argument to the one being promulgated by Fed Chairman Alan Greenspan. Greenspan's been telling anyone who would listen that the impetus to the growth from inventories -- from aggressive inventory de-stocking to a slower pace of drawdown or even accumulation -- will be short-lived unless final demand sees a sustained increase.
DiClemente says nonsense. US manufacturers have a long way to go just to meet consumer demand. Output has to exceed demand if producers want to replenish inventories so as not to risk losing sales to foreign companies.
As it happens, final demand, or final domestic demand, which is the only thing the Fed can influence, isn't doing too shabbily.
Real final sales to domestic purchasers rose 3.7 percent in the first quarter following the fourth quarter's 3.9 percent rise.
Together, the two quarters represent the strongest back-to-back increases since the first half of 2000.
DiClemente suspects Greenspan has seen his graph of retail sales and manufacturing output; at least he's seen the concept of the gaping divide between the two.
"I think Greenspan's more optimistic than he lets on publicly," DiClemente says. "If there's any kind of problem in the economy with 1 to 2 percent interest rates, the Fed is faced with all kinds of unconventional policy choices. Better to cushion the economy monetarily for the moment."
The companion graph to the Solly snapshot of retail sales and manufacturing output is one of capacity growth, published by Henry Willmore, senior US economist at Barclays Capital Group. The growth of industrial capacity has slowed to crawl speed -- 1 percent -- in the last year from a 5-plus percent rate in 1995 to 1998, Willmore says.
"The deceleration is partly due to the decline in business fixed investment that began in the first quarter of 2001," he says. "However, the growth rate started to slow in late 1998."
The slowdown in investment is only half the story. The other part is the accelerating rate of depreciation of the capital stock. Willmore says the rate of depreciation, or how quickly the capital stock wears out or becomes obsolete, accelerated by 30 percent since 1990. Which means that "investment must now be over 30 percent higher to maintain a given capital stock than was the case in 1990," he says.
Yesterday's heavy industrial equipment had a much longer life than today's personal computer, as determined by the Bureau of Economic Analysis. Twenty years ago, the capital stock depreciated 3.6 percent a year; today it's 4.4 percent, according to Willmore.
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