How Long Will High Inflation Persist? What Happened to the Great Moderation?

CPI and PCE inflation data from the BLS, chart by Mish. 

Chart Notes

  • The CPI is a measure of prices directly paid by consumers. 
  • The PCE price index includes expenses paid on behalf of consumers, notably corporate-paid health insurance and Medicare. 
  • Core inflation measures exclude food and energy.
  • The PCE numbers are seasonally adjusted. The CPI numbers are unadjusted.

The Great Moderation

The great moderation is the term economists use for the regime change starting in 1983 after Fed chairman Paul Volcker allegedly broke the back of inflation by spiking interest rates to 20 percent. 

Will High Inflation Persist?

Autocorrelation Chart Pre-Great Moderation by St. Louis Fed

Credit for this post idea goes to the St. Louis Fed writers Michael McCracken and Trần Khánh Ngân for their article Will High Inflation Persist?

Even though inflation started to cool toward the end of 2022, it is still unclear how long it will take to return to its long-run average—that is, if currently high inflation will persist. 

Each of the two figures plots the autocorrelation coefficients between year-over-year inflation (measured as the percent change from a year ago of a given index) and inflation at horizons of one month up to 24 months (two years) ahead. The first figure plots autocorrelations before the Great Moderation, which we define as before 1983, while the second figure plots Great Moderation autocorrelations (1983 to present).

Pre-Great Moderation, there are some modest differences in the persistence profiles of the headline and core measures of inflation, but overall, inflation is quite persistent even at longer horizons like one and two years into the future. In fact, autocorrelation for each lies above 0.5 two years out, suggesting it could take quite some time before these measures of inflation revert to the mean prior to the Great Moderation.

Although all four measures of inflation persistence move closely with one another pre-Great Moderation, there is a clear delineation between the persistence profiles of core versus headline measures during the Great Moderation. As the next figure illustrates, the correlation between future and current inflation in this period declines at a much faster pace for headline CPI and PCE than for core CPI and PCE.

Starting at nearly 1 at the one-month-ahead horizon, correlation coefficients remain above 0.7 at the one-year-ahead horizon for both core measures, while they had already dropped well below 0.5 for both headline measures.

Autocorrelation of inflation Great Moderation

Autocorrelation Chart During Great Moderation by St. Louis Fed

What Regime Are We In?

Inflation has been less volatile from 1983 to 2020. 

Looking ahead, whether inflation persists may depend on which of the two regimes that we are in.

In the economic literature, a regime switch occurs when there are significant breaks in the patterns of key macroeconomic variables from one period to the next.

“What now?” is the key question. The St. Louis Fed did not offer an opinion but I will. 

The regime has changed again. Inflation will be more persistent than most think.

Ten Reasons For Persistent Inflation

  1. From 1983 on, the Fed had the wind of outsourcing and globalization at its back. Global wage arbitrage kept prices in check. 
  2. From 2020 on, the winds of de-globalization started blowing briskly in the Fed’s face.
  3. President Trump started trade wars that Biden escalated. Trade wars increase prices. Contrary to Trump’s claim, trade wars are neither good nor easy to win. Biden is more polite than Trump but is worse in practice.
  4. The war in Ukraine further disrupted supply chains. For example, the EU got most of its natural gas from Russia. Now the EU gets Liquid Natural Gas (LNG) from the US. That gas has to be compressed (liquified) then shipped across the ocean via diesel freight liners. This makes no economic sense but is set to continue.
  5. Biden’s Inflation Reduction Act (IRA) is an illegal (by WTO rules) trade war in disguise. It’s an “America First” plan that Trump would have been proud of. It’s also in violation of WTO rules. Expect the EU to counter with an “EU First” plan. 
  6. The IRA’s “America First” idea cannot possibly work given the minerals and materials needed have no trade-friendly source.
  7. Decarbonization is highly inflationary. We have neither the natural resources nor the infrastructure to make decarbonization work. 
  8. The US seeks to neutralize both Russia and China. But the attempt to neutralize Russia over the war in Ukraine drove Russia into China arms and increased energy costs across the board. 
  9. White House policy is effectively set by Progressives. Elizabeth Warren may as well be president given she is setting energy policy and student debt cancellation policy along with other inflationary giveaways. 
  10. Boomer retirements are wreaking havoc on wages. There are 22 million people age 60 and over who are still working but will retire in the next decade. Demands on Medicare and Social Security are due to soar. 

Point 3 Trade Wars

First a Trade War, Now a Real War, Why US Exports to China Continue to Suffer

President Biden not only continued Trump’s trade war with China, he escalated it. There is no reason to believe relations between the US and China will do anything but get worse because of Taiwan.

Point 5 Inflation Reduction Act

The EU is Very Worried About Biden’s Inflation Reduction Act (IRA)

Under WTO rules, much of Biden’s IRA is really an illegal subsidy. The EU cannot do in 5 years what the US can pass in a session if one political party is in clear control.

Point 6 Where Do We Get the Minerals 

A Mad Rush to Build More EV Factories, But Where are the Minerals?

Incentives and free money from the Inflation Reduction Act has triggered an investment boom to build more electric vehicles.

Point 7 Decarbonization 

Biden’s Climate Change War Picks Up Steam In More Ways Than One

US allies are steaming mad at Biden for his climate change war. Let’s discuss who fired the first shot and who is escalating the war.

Point 9 Progressives in Control

Point 10 Employment Levels 

Note that There are 158 Million People Working, 106 Million Not Working

There are 22.7 million people of retirement age who are still working. At an increasing rate over time, these people will retire. Replaced by whom? At what levels of productivity?

By the end of the decade nearly all of this group will be retired. Who will support this group and increasing Medicare needs given the percentage of full time workers keeps dropping.

Act Your Wage

On December 31, I noted Act Your Wage is the New Meme as Career Ambitions Plunge

There’s no time to do extra unpaid work when you need a second part-time job just to pay the bills.

With millions due to retire, competition for jobs will increase.

Put this all together you have the makings of an inflationary wage spiral coupled with decreasing productivity. 

Inflation Conclusion

It’s not all one sided. In a subsequent post I will take a look at deflationary forces. 

In the short-term, the Fed via demand destruction and hiking rates will likely succeed in getting inflation lower. 

However, the Fed will have a hard time keeping inflation lower due to de-globalization, decarbonization, demographics, and inept political decisions here and in the EU.

This post originated on MishTalk.Com.

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GruesomeHarvest
GruesomeHarvest
1 year ago
An additional important trend that is inflationary is lower productivity due to woke corporations.
Salmo Trutta
Salmo Trutta
1 year ago
The rate-of-change in long-term monetary flows, the volume and velocity of money, will not fall below pre-existing levels for another year. And if the O/N RRP levels are reduced, more money will be injected into the economy. The outlook is not good.
vanderlyn
vanderlyn
1 year ago
Reply to  Salmo Trutta
the currency was conjured up with the strokes of zeros on a keyboard to levels unseen in peace time or war. the game is so complicated, i don’t care how sophisticated an FX or bond trader might believe they are, there is NO one alive that knows where we have been nor where we are going. i always made the most dough in my life by reading history books. from the coin clippers of ancient greek sicily siracusa, to john law of france to the trillions conjured in 2007 to 2009………to the 100 year flood, black swan, the Plague of 2020. there is but one safe to store wealth, tried and true.
Lisa_Hooker
Lisa_Hooker
1 year ago
Reply to  vanderlyn
…but, but, but, it’s so heavy and hard to move around.
Salmo Trutta
Salmo Trutta
1 year ago
Reply to  vanderlyn
The PPI peaked at 280.251 in June. It now stands at 263.235 in November.
The CPI peaked at 298.012 in October. It now stands at 296.797 in December.
Can services inflation have a different lag than goods inflation with the change in demographics?

RonJ
RonJ
1 year ago
For any trend, there is an inflection point, where the trend ends and reverses in the other direction. A pendulum swings to one end, then reverses and swings to the other end. The U.S. became producer to the world, then a new trend began, China becoming producer to the world. We now have a great disparity of wealth again, as happened leading into the Great Depression. The pendulum is at the opposite extreme again. Something has to give when things reach polar opposites. Armstrong said that interest rates were the lowest in 5,000 years. Europe and Japan had negative rates. There isn’t anywhere left to go, but up again.
KidHorn
KidHorn
1 year ago
I hope parts of the IRA get shot down by the WTO. Particularly the EV tax credit. They aren’t going to increase EV sales. What’s happening is US manufacturers, who makes eligible cars, are increasing their prices. Maybe not by $7500, but by several thousand. So much of the credit is being offset by higher prices. The 2nd thing is there are Chinese EVs that are much better for the cost than US and European EVs that won’t be sold in the US because they don’t want to compete with the credits. And they use batteries that are more environmentally friendly. They use fewer rare earths. So in total, EV sales will be lower because of it. EV sales will continue to increase and no doubt politicians will point to the IRA, but in reality, sales would have been better without the IRA.
One absurd part of the IRA is Korean cars aren’t eligible if you purchase them, but they are eligible if you lease them. The reason is when you lease a car, the car is owned by a business, the dealership, and not an individual. The rules are different. Could you lease a car for a month and then claim a $7500 tax credit? Maybe. Depends on the details.
hmk
hmk
1 year ago
Reply to  KidHorn
KidHorn
KidHorn
1 year ago
Inflation will abate. The old saying about the cure for high prices is high prices is spot on. Automobile sales are cratering. Home sales are way down. Prices will drop because of demand destruction. or at least stop going up. In a couple of years after we produce way too many egg laying chickens in response to the flu in conjunction with people switching away from eggs because of their high current cost, eggs will cost $2/dozen.
Lisa_Hooker
Lisa_Hooker
1 year ago
Reply to  KidHorn
Maybe, but will they go back to $1.19 a dozen, or $0.79 a dozen?
KidHorn
KidHorn
1 year ago
Reply to  Lisa_Hooker
I never saw them that low. The cheapest I remember is $2.50 or so for 18 cage free.
Lisa_Hooker
Lisa_Hooker
1 year ago
Reply to  KidHorn
$0.79 for 12 generic medium eggs – with carton.
hmk
hmk
1 year ago
Reply to  KidHorn
The purchasing power lost through inflation never is regained.
Doug78
Doug78
1 year ago
Life was so much simpler back then:
Captain Ahab
Captain Ahab
1 year ago
11. We have a spendthrift Federal government (spending money recklessly, wastefully, and foolishly–in case it is not clear). The result is a Federal debt that cannot be repaid, will only get bigger with each year’s deficit, and can only be financed by artificially low interest rates, while inflation stays high–aka negative real rates.
12. The potential for prolonged negative real interest rates to produce prolonged real economic growth is ZERO
The problem is global. It doesn’t matter what the Fed does. The end result is the same.
8dots
8dots
1 year ago
Moderate inflation : 10% to 20%. High inflation : 20% to 80%. Hyperinflation : 80% and above.
Can we deflate : yes.
Lisa_Hooker
Lisa_Hooker
1 year ago
Reply to  8dots
Moderate inflation: 1-2%, high inflation: >=10%, hyperinflation: you can’t afford it, whatever it is.
Casual_Observer2020
Casual_Observer2020
1 year ago
However, the Fed will have a hard time keeping inflation lower due to de-globalization, decarbonization, demographics, and inept political decisions here and in the EU.
Nothing is getting deglobalized. It is just a shift from somewhere to elsewhere and a very small one at that. Pray tell where ept political decisions occur. Every country’s citizens are like babies who scream for things but don’t want to pay anything for them.
Casual_Observer2020
Casual_Observer2020
1 year ago
This is nothing that more rate hikes won’t solve. Until we see closer to double digit unemployment and a real recession, the Fed can keep hiking and should. The biggest thing that’s different about this time is people are reluctant to work. Take the stock market down another 25% and get unemployment up to around 8-9% and some deflation and massive sea change in expectations will occur along with some actual demand destruction.
vanderlyn
vanderlyn
1 year ago
jobs are gonna be plentiful for anyone that wants one to service and produce for all the geezers. inflation is here and for the foreseeable future. calls for recession and deflation and hopes of fed “pivoting” sound like desperation whenever i turn on bloomberg radio to listen to the sycophants and dreamers. in my life and world, and most real life folks, recession is officially, here, when my neighbor loses her job. and a depression is officially here when i lose my job. all my neighbors that want jobs have jobs.
PreCambrian
PreCambrian
1 year ago
I think that inflation will rise. Nothing produces inflation like shortages of necessities. And given all of these years of magical thinking where money is multiplied by producing assets were not, the result will be inflation.
Directed Energy
Directed Energy
1 year ago
My question: weren’t people all worried about inflation in the 70’s? And look how low those prices are compared to today. Won’t this all even out again eventually?
My Grandma started Collins Radio at $1.50/hr in the late 50’s. Now they pay over $30/hr. Some aerospace pays over $40/hr. (For labor).
Someday….and I’m just saying….Walmart will pay $30/hr, Boeing will pay $65/hr…$10/doz eggs will be normal….average homes will all be $500k….etc etc
Is it just the pain getting there that’s the sucky part?
FromBrussels2
FromBrussels2
1 year ago
In the seventies , eighties and nineties one could double savings every 8 to ten years, with conservative virtually(and factually) riskless investments like saving accounts, investment bonds etc …..BETTER than todays lousy housing and the stock markets Ponzi game…..
OUdaveguy
OUdaveguy
1 year ago
Hi Mish! I always enjoy your perspective and analysis. I have to take some issue with your “Trump starting trade wars” comment. Those “free trade deals” were awful and misleading euphemisms for lobbyist giveaways of America’s remaining jobs in the fine print. Things like Vietnam promising to buy all their winter weather ski gear from US manufacturers when we buy all their surplus food, for example. These “deals” aren’t capitalism or free trade; they are theft and criminal acts deliberately undermining citizens and businesses. Trump’s administration was right to pursue “fair trade.” “Free trade” needs to be exposed as the fraud it is.
Hammer Otongo
Hammer Otongo
1 year ago
MoM inflation has already turned over.
Inflation will continue to remain low as long as total credit continues to expand at a low rate. The big inflation of the last two years was due to the credit booms that occurred in 2020 and 2021. Currently, credit is expanding at a 4.5% annualized rate and there is no reason to expect that number to increase in the near future.
PapaDave
PapaDave
1 year ago
All good points. I expect inflation to settle in at 3-5% for several years.
Interest rates to remain high for several years.
Slow to modest economic growth worldwide for the rest of this decade.
Oil prices to continue to see upward pressure from a demand vs supply imbalance. Which is why I continue to hold a lot of oil and gas stocks. These companies continue to pay down or pay off their debt, while increasing share buybacks and dividends. 20% free cash flow at $80 WTI; add or subtract 5% for each $10 WTI.
worleyeoe
worleyeoe
1 year ago
Very good analysis, Mish!
I would also add housing and new car price appreciation. Both are financed over 5-30 years in most cases. Ever increasing prices are locking people into high, long-term payments. Over the last few months, the general trend of 30YFRM has been down. Over the 2023, one of two things are likely to happen as it relates to housing appreciation, inflation & the economy.
The soft-landing alternative means core PCE inflation drops to 3.5-4%, levels off and the fed stops raising the FFR around 5.25 to 5.5%. Then that shallow recession you speak of hits and solves the inflation problem by mid 2024, including a nationwide drop in housing prices of about 8-12%.
To me the more likely scenario is that we have somewhat of a soft-landing and then we have the rebound of inflation by early 2024. This means the Fed would then have to raise the FFR up to at least 7% to really put the brakes on the economy, creating a significant recession with unemployment rising to at least 6% by late 2024 and then staying there well into 2025. This outcome leads to the much needed 25-30% drop in housing, unless the Uncle Sam trots out rent & mortgage relief again.

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