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> This maintains the invariant that money cannot be created or destroyed. And if you wonder, if money cannot be created or destroyed, how does a monetary syste

> This maintains the invariant that money cannot be created or destroyed. And if you wonder, if money cannot be created or destroyed, how does a monetary system handle the population tripling over the past 50 years? The answer is national debt. The US national debt is just an artifact of this double entry bookkeeping. In order for there to be +money in the economy for the ever-growing number of citizens to do commerce with, the treasury incurs on itself -money. That's national debt. The corollary then, if the US ever pays back all of its national debt, the economy will crash because there just aren't cash available for people to do commerce with. A +90trillion on the government balance sheet equals a -90trillion on the private sector balance sheet.

youainti 4y ago
Not really. Money is created but it is created by the fractional reserve baking model where banks borrow from people who are willing to lend for short periods of time (depositors) and lend to those who are looking to borrow in the long term. The fact that you tend to deposit in checking accounts is what creates the money.
- sapling-ginger 4y ago
  The private banking system can only multiply off of the monetary base up to a certain multiplier, it cannot expand that base. Only the government treasury can expand that monetary base. If the private banks have conjured up 100x the monetary base in 1970, then when the population doubles by 2020, the banks cannot multiply further up to 200x. The treasury has to expand the base while the banks keep their multiplier fairly constant.
cyberax 4y ago
> And if you wonder, if money cannot be created or destroyed, how does a monetary system handle the population tripling over the past 50 years? There is ONE special actor (in the US) that can create money out of the thin air: the Federal Reserve. It alone can "buy" securities by crediting banks with money created out of nothing. Banks simply see a transaction with a dollar amount on their accounts within the Federal Reserve, and that's it. The money just appears. The invariant "money can't be created or destroyed" holds for everybody else, including individual banks. > The answer is national debt. That's completely incorrect. The Federal Reserve can arbitrarily create (or destroy) money even if the national debt goes away entirely.
- sapling-ginger 4y ago
  Most of the Federal Reserve's balance sheet is Treasury securities. If the Treasury stops issuing those securities, then the Federal Reserve don't have anything to buy. Saying that the Fed can arbitrarily create and destroy money misses the point, that they then have to buy SOMETHING with those money, and there are strict rules about what they can buy, and it just happens that the Treasury controls the supply of the primary asset class that the Fed is allowed to buy. Once you clear out all the dance and ceremony, you arrive at the conclusion that the Treasury issues new money by issuing new securities.
  - cyberax 4y ago
    > Most of the Federal Reserve's balance sheet is Treasury securities. That's true, simply because they're the most convenient way to manipulate the monetary supply. Not much else is readily available in the volumes needed. But they are not _essential_. > Saying that the Fed can arbitrarily create and destroy money misses the point, that they then have to buy SOMETHING with those money, and there are strict rules about what they can buy Sure, the invariant: "money goes out, asset goes in" holds. But they can buy quite a lot of different securities if needed. E.g. the Fed directly bought about $3T of MBS: https://www.newyorkfed.org/markets/programs-archive/large-scale-asset-purchases https://www.newyorkfed.org/markets/programs-archive/large-sc...

youainti 4y ago

Not really. Money is created but it is created by the fractional reserve baking model where banks borrow from people who are willing to lend for short periods of time (depositors) and lend to those who are looking to borrow in the long term. The fact that you tend to deposit in checking accounts is what creates the money.

sapling-ginger 4y ago
The private banking system can only multiply off of the monetary base up to a certain multiplier, it cannot expand that base. Only the government treasury can expand that monetary base. If the private banks have conjured up 100x the monetary base in 1970, then when the population doubles by 2020, the banks cannot multiply further up to 200x. The treasury has to expand the base while the banks keep their multiplier fairly constant.

cyberax 4y ago

> And if you wonder, if money cannot be created or destroyed, how does a monetary system handle the population tripling over the past 50 years? There is ONE special actor (in the US) that can create money out of the thin air: the Federal Reserve. It alone can "buy" securities by crediting banks with money created out of nothing. Banks simply see a transaction with a dollar amount on their accounts within the Federal Reserve, and that's it. The money just appears. The invariant "money can't be created or destroyed" holds for everybody else, including individual banks. > The answer is national debt. That's completely incorrect. The Federal Reserve can arbitrarily create (or destroy) money even if the national debt goes away entirely.

sapling-ginger 4y ago
Most of the Federal Reserve's balance sheet is Treasury securities. If the Treasury stops issuing those securities, then the Federal Reserve don't have anything to buy. Saying that the Fed can arbitrarily create and destroy money misses the point, that they then have to buy SOMETHING with those money, and there are strict rules about what they can buy, and it just happens that the Treasury controls the supply of the primary asset class that the Fed is allowed to buy. Once you clear out all the dance and ceremony, you arrive at the conclusion that the Treasury issues new money by issuing new securities.
- cyberax 4y ago
  > Most of the Federal Reserve's balance sheet is Treasury securities. That's true, simply because they're the most convenient way to manipulate the monetary supply. Not much else is readily available in the volumes needed. But they are not _essential_. > Saying that the Fed can arbitrarily create and destroy money misses the point, that they then have to buy SOMETHING with those money, and there are strict rules about what they can buy Sure, the invariant: "money goes out, asset goes in" holds. But they can buy quite a lot of different securities if needed. E.g. the Fed directly bought about $3T of MBS: https://www.newyorkfed.org/markets/programs-archive/large-scale-asset-purchases https://www.newyorkfed.org/markets/programs-archive/large-sc...