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HomeGlobal EconomyWhat Is Driving Inflation? - The Big Picture

What Is Driving Inflation? – The Big Picture

What Is Driving Inflation? – The Big Picture

 

The Inflationistas are an eclectic mix of subgroups, beliefs, and ideologies. They count the bond vigilantes, hard money advocates, Milton Friedmanites, Fed haters, goldbugs and crypto bros amongst their numbers.

Their unifying thread: Printers go Brrrrr.

As a group, they believe that money printing is the reason for all price increases and, therefore, must be opposed. Never mind that the decade following the GFC was about DE-flation, not IN-flation…

Have a look at the chart (via Mark Perry) above. It breaks down various sectors, showing what is above- and below-average inflation. It is noteworthy that most of the items in the above section are services; most of the items below average are physical goods.

Looking at this on a sector-by-sector basis, we can see that many of the biggest contributors to overall price increases have very specific drivers, none of which have anything whatsoever to do with the central bank.

For those of you who are doubters, perhaps an inflation subsector analysis may be of interest:

Home prices: Supply limitations

It’s hard to argue that the combination of a rising population and limited, below-average construction of single-family homes has been a poor mix (see chart). Add in NIMBY and the surge of second-home purchases during the pandemic, and it becomes clear that home prices are being driven mainly by supply issues.1.

There was an overbuild of single family homes from 1999 to 2006. That was follwoed by more than a decade o underbuilding, even as the population in the U.S. rose (We discussed this four years ago).

Today, the U.S. is short by ~3 to 5 million single-family homes, and it will likely take years (decades?) to catch up fully.

new home sales 2025

Automobiles / Auto insurance: Supply/Pandemic effects

Let’s combine these into one group, because it has the same basic drivers: Start with the shortage of new cars from 2020-22, directly affected by the pandemic shutdowns; add an insufficient supply of semiconductors (exasberating the problem). A three-year production shortage of new cars means today we have a shortage of used cars – at least the vintages that would have been normally produced in 2020, ’21, and ’22. That also created a shortage of parts. This drove new and used car prices higher, and is making repairs for even minor accidents much more expensive than they might have been otherwise.

Best guess: Three to five years for this to resolve…

Home Insurance: Severe Weather Events and Natural Disasters (Climate Change)

Have you tried to price home insurance recently? Or (heaven forbid) flood insurance? Looked at areas near the ocean or a river, to say nothing of regions that suffer from tornadoes, hurricanes or wildfires?

I suggest anyone who denies climate change speak to an insurance underwriter to get a sense of how unprecedented the modern era of natural disasters is.

The wild card here is labor, with many construction workers migrants. How that is managed affects how fast new homes can be built.

2024 billion dollar disaster map
Chart: NOAA


Eggs
: Avian Flu

“Since early 2022, over 169 million poultry (primarily chickens) were culled in the US due to avian flu.” That’s over a three-year period. Normally, ~320 million chickens are being raised in the United States, and we are about 40-50 million below that level.

Fewer hens = fewer eggs = higher prices.

Eggs
Source: NerdWallet

 

Beef:  Drought/Climate Change

Inflation in one area can influence another. Beef illustrates this well. Feed, labor, farmland, and rents have all increased since the pandemic. That’s before Mother Nature throws droughts at ranchers, which forces them to thin their herds – sending beef prices higher. Note that drought has become a global problem for the food supply.

Health Insurance: Rentiers & Lobbyists

Why do we in the United States get our healthcare coverage through our work? It’s an oddity specific to the USA, and has led to some particularly poor outcomes.

It’s no secret that healthcare in the United States costs twice as much as in the rest of the world, yet it produces worse outcomes. We have allowed lobbyists and insurance companies to dominate healthcare. It is one of the rare parts of the economy where the private sector does a much worse job than even mediocre government insurance.

Yes, there are many problems with other systems, but its hard to endorse double the costs for worse results.

Drug Prices: PBM

Health care is a weird industry, driven in part by our faith in doctors, a lack of competition, and captured regulators. Want to see how bloated drug prices are in the United States? See this analysis from the Drug Channels Institute (DCI). And they keep rising at double-digit rates.

Similar to overall health insurance, lobbyists and corrupt politicians have driven drug prices higher. Only two countries—the United States and New Zealand—allow pharmaceutical companies to run television commercials directly advertising prescription drugs to consumers. It is a sign of just how corrupt our health care system has become.

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It is into this environment comes tariffs, now rising to ~15% across-the-board on most imported goods arrives. This acts like a consumption VAT tax on anything imported into the US.

Allow me to clarify some confusion about the impact these tariffs will have on inflation.

I keep hearing pundits repeat “Tariffs are a one-time tax;” I wince each time because it is both imprecise and incorrect. Tariffs should be described as a “persistent tax” on consumers that leads to higher prices that last as long as tariffs are in effect.2.

What I suspect the talking heads are referring to is the fact that the impact of tariffs only appears in CPI data as a one-time price increase. Inflation metrics, such as the CPI or PCE, measure the rate of change – not the absolute level of prices. Goods that were priced at $100 may get tariffed to $115; the increase will only appear in CPI once, but the higher prices continue for as long as the tariffs remain in place.

 

Previously:
The Muted Impact of Tariffs on Inflation So Far (July 17, 2025)

Revisiting Greedflation (November 16, 2023)

Miscalculated Housing Demand (July 29, 2021)

 

__________

1. June, usually the height of the spring housing season, saw sales of existing homes drop from the previous month, according to the National Association of Realtors.   https://www.nytimes.com/2025/07/23/realestate/home-sales-drop-prices-rise.html

2. We may also see some of the tariff costs getting absorbed by exporters and retailers, so it will show up in their profit margins for as long as they decide to eat some of the costs versus passing them along to the consumer. But there is no free lunch — someone is absorbing these new costs.

 

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