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2011年波克夏看完了，
比較重要的是底下這一段
老巴指出金價太貴了，
而且不喜歡黃金毫無生產能力，不會生金幣
比較喜歡投資於有產出能力的公司
Investment possibilities are both many and varied. There are three major categories, however, and it’s
important to understand the characteristics of each. So let’s survey the field.
• Investments that are denominated in a given currency include money-market funds, bonds, mortgages,
bank deposits, and other instruments. Most of these currency-based investments are thought of as “safe.”
In truth they are among the most dangerous of assets. Their beta may be zero, but their risk is huge.
Over the past century these instruments have destroyed the purchasing power of investors in many
countries, even as the holders continued to receive timely payments of interest and principal. This ugly
result, moreover, will forever recur. Governments determine the ultimate value of money, and systemic
forces will sometimes cause them to gravitate to policies that produce inflation. From time to time such
policies spin out of control.
Even in the U.S., where the wish for a stable currency is strong, the dollar has fallen a staggering 86%
in value since 1965, when I took over management of Berkshire. It takes no less than $7 today to buy
what $1 did at that time. Consequently, a tax-free institution would have needed 4.3% interest annually
from bond investments over that period to simply maintain its purchasing power. Its managers would
have been kidding themselves if they thought of any portion of that interest as “income.”
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For tax-paying investors like you and me, the picture has been far worse. During the same 47-year
period, continuous rolling of U.S. Treasury bills produced 5.7% annually. That sounds satisfactory. But
if an individual investor paid personal income taxes at a rate averaging 25%, this 5.7% return would
have yielded nothing in the way of real income. This investor’s visible income tax would have stripped
him of 1.4 points of the stated yield, and the invisible inflation tax would have devoured the remaining
4.3 points. It’s noteworthy that the implicit inflation “tax” was more than triple the explicit income tax
that our investor probably thought of as his main burden. “In God We Trust” may be imprinted on our
currency, but the hand that activates our government’s printing press has been all too human.
High interest rates, of course, can compensate purchasers for the inflation risk they face with currency-based
investments – and indeed, rates in the early 1980s did that job nicely. Current rates, however, do not come
close to offsetting the purchasing-power risk that investors assume. Right now bonds should come with a
warning label.
Under today’s conditions, therefore, I do not like currency-based investments. Even so, Berkshire holds
significant amounts of them, primarily of the short-term variety. At Berkshire the need for ample
liquidity occupies center stage and will never be slighted, however inadequate rates may be.
Accommodating this need, we primarily hold U.S. Treasury bills, the only investment that can be
counted on for liquidity under the most chaotic of economic conditions. Our working level for liquidity
is $20 billion; $10 billion is our absolute minimum.
Beyond the requirements that liquidity and regulators impose on us, we will purchase currency-related
securities only if they offer the possibility of unusual gain – either because a particular credit is
mispriced, as can occur in periodic junk-bond debacles, or because rates rise to a level that offers the
possibility of realizing substantial capital gains on high-grade bonds when rates fall. Though we’ve
exploited both opportunities in the past – and may do so again – we are now 180 degrees removed from
such prospects. Today, a wry comment that Wall Streeter Shelby Cullom Davis made long ago seems
apt: “Bonds promoted as offering risk-free returns are now priced to deliver return-free risk.”
• The second major category of investments involves assets that will never produce anything, but that are
purchased in the buyer’s hope that someone else – who also knows that the assets will be forever
unproductive – will pay more for them in the future. Tulips, of all things, briefly became a favorite of
such buyers in the 17th century.
This type of investment requires an expanding pool of buyers, who, in turn, are enticed because they
believe the buying pool will expand still further. Owners are not inspired by what the asset itself can
produce – it will remain lifeless forever – but rather by the belief that others will desire it even more
avidly in the future.
The major asset in this category is gold, currently a huge favorite of investors who fear almost all other
assets, especially paper money (of whose value, as noted, they are right to be fearful). Gold, however,
has two significant shortcomings, being neither of much use nor procreative. True, gold has some
industrial and decorative utility, but the demand for these purposes is both limited and incapable of
soaking up new production. Meanwhile, if you own one ounce of gold for an eternity, you will still
own one ounce at its end.
What motivates most gold purchasers is their belief that the ranks of the fearful will grow. During the
past decade that belief has proved correct. Beyond that, the rising price has on its own generated
additional buying enthusiasm, attracting purchasers who see the rise as validating an investment thesis.
As “bandwagon” investors join any party, they create their own truth – for a while.
Over the past 15 years, both Internet stocks and houses have demonstrated the extraordinary excesses
that can be created by combining an initially sensible thesis with well-publicized rising prices. In these
bubbles, an army of originally skeptical investors succumbed to the “proof” delivered by the market,
and the pool of buyers – for a time – expanded sufficiently to keep the bandwagon rolling. But bubbles
blown large enough inevitably pop. And then the old proverb is confirmed once again: “What the wise
man does in the beginning, the fool does in the end.”
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Today the world’s gold stock is about 170,000 metric tons. If all of this gold were melded together, it
would form a cube of about 68 feet per side. (Picture it fitting comfortably within a baseball infield.) At
$1,750 per ounce – gold’s price as I write this – its value would be $9.6 trillion. Call this cube pile A.
Let’s now create a pile B costing an equal amount. For that, we could buy all U.S. cropland (400
million acres with output of about $200 billion annually), plus 16 Exxon Mobils (the world’s most
profitable company, one earning more than $40 billion annually). After these purchases, we would
have about $1 trillion left over for walking-around money (no sense feeling strapped after this buying
binge). Can you imagine an investor with $9.6 trillion selecting pile A over pile B?
Beyond the staggering valuation given the existing stock of gold, current prices make today’s annual
production of gold command about $160 billion. Buyers – whether jewelry and industrial users,
frightened individuals, or speculators – must continually absorb this additional supply to merely
maintain an equilibrium at present prices.
A century from now the 400 million acres of farmland will have produced staggering amounts of corn,
wheat, cotton, and other crops – and will continue to produce that valuable bounty, whatever the
currency may be. Exxon Mobil will probably have delivered trillions of dollars in dividends to its
owners and will also hold assets worth many more trillions (and, remember, you get 16 Exxons). The
170,000 tons of gold will be unchanged in size and still incapable of producing anything. You can
fondle the cube, but it will not respond.
Admittedly, when people a century from now are fearful, it’s likely many will still rush to gold. I’m
confident, however, that the $9.6 trillion current valuation of pile A will compound over the century at
a rate far inferior to that achieved by pile B.
• Our first two categories enjoy maximum popularity at peaks of fear: Terror over economic collapse
drives individuals to currency-based assets, most particularly U.S. obligations, and fear of currency
collapse fosters movement to sterile assets such as gold. We heard “cash is king” in late 2008, just
when cash should have been deployed rather than held. Similarly, we heard “cash is trash” in the early
1980s just when fixed-dollar investments were at their most attractive level in memory. On those
occasions, investors who required a supportive crowd paid dearly for that comfort.
My own preference – and you knew this was coming – is our third category: investment in productive
assets, whether businesses, farms, or real estate. Ideally, these assets should have the ability in
inflationary times to deliver output that will retain its purchasing-power value while requiring a
minimum of new capital investment. Farms, real estate, and many businesses such as Coca-Cola, IBM
and our own See’s Candy meet that double-barreled test. Certain other companies – think of our
regulated utilities, for example – fail it because inflation places heavy capital requirements on them. To
earn more, their owners must invest more. Even so, these investments will remain superior to
nonproductive or currency-based assets.
Whether the currency a century from now is based on gold, seashells, shark teeth, or a piece of paper
(as today), people will be willing to exchange a couple of minutes of their daily labor for a Coca-Cola
or some See’s peanut brittle. In the future the U.S. population will move more goods, consume more
food, and require more living space than it does now. People will forever exchange what they produce
for what others produce.
Our country’s businesses will continue to efficiently deliver goods and services wanted by our citizens.
Metaphorically, these commercial “cows” will live for centuries and give ever greater quantities of “milk”
to boot. Their value will be determined not by the medium of exchange but rather by their capacity to
deliver milk. Proceeds from the sale of the milk will compound for the owners of the cows, just as they
did during the 20th century when the Dow increased from 66 to 11,497 (and paid loads of dividends as
well). Berkshire’s goal will be to increase its ownership of first-class businesses. Our first choice will be
to own them in their entirety – but we will also be owners by way of holding sizable amounts of
marketable stocks. I believe that over any extended period of time this category of investing will prove to
be the runaway winner among the three we’ve examined. More important, it will be by far the safest.
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