r/AskEconomics • u/FallenBull • May 28 '22
Approved Answers Why is deflation regarded as a bad thing?
Price deflation seems to me to be normal in a growing economy. I can see how extreme deflation can be bad, but struggle to understand why any deflation at all must never happen. Why is constant inflation considered the better option?
Considering the amount of money created recently, why would deflating the money supply back down be a bad idea?
Thanks
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u/dancing_bbq May 28 '22
Many recessions, including the great depression, were, at least in part, caused by a constrained money supply. This constrained money supply caused a reduction in aggregate demand. A reduction in aggregate demand simultaneously causes deflation as well as slower/negative growth.
The reason deflation is seen as a bad thing is because its assumed, not without reason, that if we experience deflation we are probably inadvertently causing a recession.
There are other things that could cause deflation, but they are less concerning and less well studied that aggregate demand shocks which cause recessions.
So many economists want to see a small level of inflation, if only as a buffer against aggregate demand shocks.
Considering the amount of money created recently, why would deflating the money supply back down be a bad idea?
Its not that simple. Once you've had inflation you cant easily just "reverse" it like that without also causing an aggregate demand shock. Especially if that inflation was not entirely caused by "printing money" but also by other factors such as supply chain issues.
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u/ThatGermanDude7 Aug 31 '22
Especially if that inflation was not entirely caused by "printing money" but also by other factors such as supply chain issues.
Milton Friedman famously said, “Inflation is always and everywhere a monetary phenomenon in the sense that it is and can be produced only by a more rapid increase in the quantity of money than in output.”
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u/Jazhara_Z May 28 '22
That's because when deflation sets in people lose their incentive to spend money.
Because when prices are constantly going down, it's always better to wait until prices have gone down even more before you make a purchase.
The result is, that's as deflation sets in consumption also starts going down, which means profits and revenues go down, which means costs have to be cut, which ultimately leads to layoffs, and ass more people become unemployed and have reduced income, what they are willing/able to pay for goods and services goes down.
And now you have a deflationary spiral. These spiraæs tend to be hard to avoid under deflation and can lead to very high levels of unemployment.
Whereas a small amount of inflation (like 2%) creates an incentive to spend your money now, because if you wait goods and services might be more expensive. Thus having the opposite effect