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erton
Miller, who shared a 1990 Nobel prize with Harry Markowitz and Bill Sharpe,
was one of 13 economists from the University of Chicago to be so honored
within 31 years. Miller was one of a handful of scholars who practically
created "Finance" as a rigorous major field in economics. In the late
Fifties, Miller and Franco Modigliani argued that the value of a firm
depends on earning power and risk, finding it almost irrelevant whether
investments are financed by debt or equity, or whether dividends are generous
or zero. Many heresies followed from these famed "irrelevance propositions":
for example, that management effectiveness can best be gauged by the impact
on a company's market value, not profits alone. Miller spent a great deal
of time in courtrooms, battling the meddlesome political impulse to limit
and regulate our choices of financial instruments. The Times of
London recently revived a complaint that Miller "ruffled feathers in December
1990 by using his acceptance speech to praise the use of junk bonds and
leveraged buyouts." Of course he did. High-yield bonds mean new entrepreneurs
no longer have to pass up great opportunities simply because they lack
the credit rating of an old toothpaste company. Leveraged buyouts mean
careless and sleepy managers can be sacked. Saying such things may have
been insensitive in 1990, when politicians and central bankers were eager
to blame recession on impersonal financial instruments. But Merton Miller
was refreshingly right, as usual. R.I.P.
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