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Squalid
Nov 4, 2008

I'm somewhat confused by how MMT handles national debt. Since the government is just creating and deleting money, is there any reason to issue bonds? I understand that this is an alternative means of manipulating the currency supply, but I'm not sure I understand how this aspect of the economy is approached in this theory.

Another question. Say we could do an experiment. If we could create two United States of Americas, one with a national debt of zero, and another with a debt 500% as large as the real one has at present, what would be the economic effect of this difference on the two economies? How would they differ from the real existing USA?

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Squalid
Nov 4, 2008

BrandorKP posted:

MMT didn't make sense to me until I realized it was basically stocks and flows in the trade thread. Taxes, spending, fed actions, these are all just flows or controls on flows some positive and some negative.

yeah this is how I try to make sense of macro econ stuff. It makes mentally visualizing what's going on a lot simpler.

Lumpy posted:

At a near zero real interest rate, there would be almost no difference.

What if it is not near zero? Basically, I'm trying to understand how MMT handles bond payments.

So the principle of the government creating and destroying money in MMT makes a lot of sense to me. Where I start to get confused is when its proponents start saying deficits don't matter in today's economy. This is because when the US deficit spends, it also issues interest carrying bonds. These bonds take cash out of the economy, but with the promise of giving more cash in the future to the bond holder. As with all assets, the vast majority of these bonds are owned either directly or indirectly by the one percent.

Therefore as the national debt increases, the government will have increasing obligations to give money to the owners of capital. As debt increases, the proportion of government money going to this class should increase. This should produce inflation that weakens the buying power of people who don't have any assets, as an increasing proportion of cash should be flowing to those who already have wealth. The state can use inflation to reduce the value of the debt by printing money. Still it means the level of debt remains important and has to be managed and constrained.

Of course central banks can just buy government bonds themselves, which I guess makes them disappear effectively? Macro is all very confusing.

Squalid
Nov 4, 2008

Badger of Basra posted:

If I'm understanding correctly, if it was decided that the federal government would run on MMT terms there would be no bonds. They'd "print" a bunch of money through the Federal Reserve to pay off existing debt (all at once? unclear if this would just generate huge inflation) then not issue anymore. New deficit spending would be paid for through money printing.

That makes sense, but I've never heard anyone say anything like that before.

Squalid
Nov 4, 2008

What do the proponents of MMT think about the modern Japanese economy? IIRC they have maintained high deficits alongside very low unemployment and low inflation for the past two decades.

Squalid
Nov 4, 2008

LuciferMorningstar posted:

Your whole post seems to be a lot of words to ask "What if leadership just makes bad decisions over and over and then bad things happen?" That's not a new risk. What if the President throws a fit and shuts down the government? What if leadership oversells the importance of paying off the national debt and drives the country into economic downturn?

MMT proponents aren't denying there are risks, but I think you have to put some effort into explaining why harms are more likely under an MMT-friendly regime than what we're getting under the status quo.

Well it certainly doesn't mitigate all the risks but under the current system a lot of control over macro policy has been outsourced to the Federal Reserve. My impression is a lot of economists have a very dim view of politicians with short term interests in their reelection sitting in the economies driver seat.

Squalid
Nov 4, 2008

Dead Reckoning posted:


The subsequent policy argument from the left is that we can have generous social programs without having to find a direct source of dollars fo them, and that this is fine as long as inflation doesn't get out of hand. This is true, but it doesn't directly follow from the previous paragraph: an equally valid understanding would be, "we can keep cutting taxes on corporations and billionaires while providing our current level of services, and this doesn't matter as long as inflation doesn't get out of hand."


Who would have thought Donald Trump would be the President to make MMT mainstream?

Thinking about some things in terms of MMT, Federal Student loan payments are effectively a tax. Paying your loans takes money out of the economy. I wonder how much of the cost of issuing new loans is offset by the revenue from people paying them back?

Squalid
Nov 4, 2008

plogo posted:

Going down that road seems like a fools errand. Determining the inflationary impact of any given program after the fact is extremely difficult, forecasting the impact of individual programs is gonna be an educated guess at best.

Yeah it’s my understanding that macroeconomics can only make very approximate estimates of the effect of big fiscal policy. That’s not a weakness of MMT, every economic paradigm will have the same problem. That doesn’t mean you can’t make predictions you just have to prepared to adjust policy on the fly depending on outcomes.

Squalid
Nov 4, 2008


I found this example helpful and interesting. Macroecon is weird!

One soundbite I heard not long ago on the radio, in reply to the question "what's wrong with running up the national debt?" was "Well you have to pay it back." Can someone help me understand what is really meant by paying back the national debt?

Squalid
Nov 4, 2008

Owlofcreamcheese posted:

The national debt is really bonds. You can walk into a bank, say you want to buy a treasury bond and they will sell you one. then after ten years you hand the bond back and they give you 2.8% more money.

The truth that MMT is based on is the fact than in ten years it's not really possible the government couldn't pay back the bond. If they didn't have the money a loan shark doesn't come and break their knees, they just have to go "aw geez, print more money guys!" and everyone' money is worth less instead. (and in 2019 it's not even like they really physically print money, they just set parameters to encourage types of loans that generate new money).

That part is true. The thing people try to turn that into is some sort of "that means everything is free!" and try to like, use it as some weird excuse for why they want socialist style programs but don't want to have rich people pay taxes, or have themselves pay taxes. Or something. Like it's one weird trick to have right wing libertarian socialism with low taxes AND generous social programs. (although sometimes you see people suggesting it where you just tax rich people to like, punish them or something? where it's not even necessary but you just do it for fun?)

Yeah, this is basically how I already understand things. I guess I'm just trying to use this thread to feel out how economists generally and MMT people specifically think about the effects of national debt for the US economy. I also want to try and work through the consequences of various methods for managing debt. We can use inflation to devalue existing bonds. However who is it that ends up losing out on the value of that interest? If it is mostly rich capitalists, then inflation could be a progressive way to control debt levels. If the effect is concentrated on pensioners or elderly people living off savings, then the effect is going to be more negative. Obviously the impacts will be mixed, I just wonder where it is concentrated.

Also, is there any scenario where MMT people would want the government to run a surplus?

Squalid
Nov 4, 2008

Could you give an example of how taxes might increase inflation? I’m having trouble imagining it

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Squalid
Nov 4, 2008

Helsing posted:

A tax on fuel could increase costs throughout the economy which might be passed on to consumers in the form of a price increase.

Yeah that makes sense, a consumption tax has an effect similar to inflation by increasing consumer prices. However I'm skeptical that that would have implications beyond the specific product that was taxed, as it would also necessarily decrease the money supply.

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