See America’s War Machine Runs on Rare-Earth Magnets. China Owns That Market: U.S. defense needs are pushing revival effort after decades of deindustrialization by Jon Emont of The WSJ.
Rapidly increasing production of a certain good in a short period of
time leads to increasing opportunity costs as less capable resources
have to be switched over from some other productive activity (capital has to be re-tooled and workers
retrained (this article specifically mentions this). All of that adds costs that were not there before. So it
actually costs more to produce additional units, on average. After excerpts from the article, there is a numerical example.
"The
Defense Department in the past few years has committed more than $450
million toward rare earths and the magnets they power. The Energy
Department is offering its own incentives because the magnets are also
critical for electric vehicles.
The
funding is helping a German magnet-maker set up its first North
American factory, which broke ground in March, two decades after its
last U.S. factory shut down. The facility, in Sumter, S.C., will buy
rare earths locally. Those supplies could come from other projects that
are receiving government funding—such as processing plants coming up in
California and Texas, owned by American and Australian miners,
respectively.
Their
highest hurdle is low Chinese prices. A U.S. Commerce Department probe
in 2022 found that China’s dominant position enabled it to set prices
low enough to make production unsustainable for competitors.
In the West, mines and processing facilities face more regulations.
There are only a small number of experts left in the field, requiring
pricey workarounds such as importing foreign talent, sending Americans
abroad for training and automating." [this is where the increasing cost comes in-you pay a salary for each additional worker but you have to pay more on top of that for the extra training and that means each additional unit costs more to make]
"Pushing defense suppliers to buy more-expensive magnets that are made in
the U.S. would raise costs and have a knock-on effect, potentially
affecting how many defense systems such as submarines and jet fighters
the Defense Department is able to buy, Schwartz said.
The
other question is who else will buy the magnets. Defense demand, while
considerable, isn’t enough. Other industries that use magnets, such as
makers of EVs, wind turbines and MRI machines, would need to be willing
to pay more today in exchange for a reliable supply chain.
At least one major player, General Motors, has agreed to buy American-made magnets when production starts. Some others say they are interested."
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Here are some basic terms that economists use to discuss this issue:
Opportunity Cost-The value of
the best foregone alternative. There is no such thing as a free lunch.
If we want to build one more skyscraper, we may have to give up one
submarine, since there may not be enough steel to go around (steel is
scarce!).
The law of increasing opportunity cost-As
more of a particular good is produced, the opportunity cost of its
production rises.
Why is the law of increasing opportunity cost true? Different resources
are better suited to different productive activities. This is just about
the same as saying people have different abilities, like some are more
entrepreneurial and some are more bureaucratic.
Let’s assume that we have society with five workers who can make either of two goods, candles or
shoes. Now the best candle maker will not necessarily be the best
shoemaker and some candle makers will be better than others. This simply means
that workers have different abilities.
In the real world, the best doctor would not be the best
lawyer. Some plumbers are better than others.
In the table below, the number of candles OR shoes
that each worker can make in a day is listed.
Worker
|
Candles
|
Shoes
|
I
|
7
|
3
|
II
|
6
|
4
|
III
|
5
|
5
|
IV
|
4
|
6
|
V
|
3
|
7
|
Again, the workers have different abilities, just as they do
in the real world.
What are all of the
combinations of candles and shoes that this society can make? If all
the workers make candles, they can make 25 (just add up how much each worker
can make). How many shoes? ZERO, since each worker spends all day in the candle
factory (this is combination A in the table below).
If we want to make some shoes, the first worker we would
tell to stop making candles, if we are rational
and trying to get the best deal, would be worker V. So we gain 7 shoes and lose 3 candles. That
is why combination A is 22 and 7. Worker V no longer makes candles since they
are making shoes. So the opportunity cost of
making a shoe is some number of candles (and vice-versa).
The rest of the combinations that show what would happen if
we kept moving workers out of candle making and into shoe making is in the
table below.
Combination
|
Candles
|
Shoes
|
A
|
25
|
0
|
B
|
22
|
7
|
C
|
18
|
13
|
D
|
13
|
18
|
E
|
7
|
22
|
F
|
0
|
25
|
Now what happens to the opportunity cost as we move from
combination A to combination B? Then combination B to combination C, and so on?
The table below shows this:
Change
|
Candles Given Up
|
Shoes Gained
|
Candles per Shoe
|
A to B
|
3
|
7
|
0.429
|
B to C
|
4
|
6
|
0.667
|
C to D
|
5
|
5
|
1.000
|
D to E
|
6
|
4
|
1.500
|
E to F
|
7
|
3
|
2.333
|
By moving from point A to point B, we give up 3 candles to
gain 7 shoes. The cost of each shoe in candles is .429 (3/7). Then we give up 4
candles to get 6 shoes, with each shoe costing .667 candles. The more shoes we try to produce, the more candles that
have to be given up to get each shoe. So the opportunity cost of
producing shoes rises.
This is called the law of
increasing opportunity cost.
The law of increasing opportunity
cost-As more of a particular good is produced, the opportunity cost
of its production rises. (see how the numbers rise in the “Candles per Shoe”
column in the table above)
Why is the law of
increasing opportunity cost true?
Different resources are better suited to different productive activities. This
is just about the same as saying people have different abilities, which is what
we see in the number of candles and shoes each worker can make.