Economics for the Curious

Why Are Groceries So Expensive?

How prices work, what goes into a grocery dollar, why some foods jump more than others, and what government can and can’t do

Figures current as of late October 2026

13 min read

How Prices Work

When grocery prices climb, the easy explanation is greedy companies. When a price falls, the same companies must have turned generous overnight. Neither story holds up. Start with how economists describe a market economy.

Greed is a constant, and a constant can’t explain a change. Grocers, food companies, and ranchers wanted to earn as much as possible in 2019, too. To explain why a price moved, look for what changed. Think of a price as the result of several forces at once, and work through five questions.

The Price Detective Checklist
The Price Detective ChecklistWhat to look forIn the grocery aisle
1. Supply and demand. What shifted, and how strongly do buyers and sellers respond?Shifts in supply or demand; price elasticities of demand and supplyA shrinking cattle herd, bird flu in egg flocks, bad coffee harvests, higher diesel costs
2. Government. Did a price control, tax, subsidy, quota, or tariff change?Price ceilings and floors, taxes, subsidies, quotas, tariffs, and mandatesMilk and sugar price floors; import quotas on sugar, beef, and dairy; the ethanol mandate
3. Market power. How competitive is the market?Number of sellers, barriers to entry, and how many alternatives and substitutes buyers haveFour big meatpackers, the only grocery store in a rural town
4. Price discrimination. Do different buyers pay different prices for the same thing?Price differences by customer, place, or payment that costs don’t explainLoyalty-card prices, digital coupons, personalized app pricing
5. Inflation. Is it one price, or nearly all prices?Monetary policy of the Federal Reserve and fiscal policy of the federal governmentGroceries rose about as much as prices overall since 2020

Start Here: What Changed?

Grocery prices jumped in 2021 and 2022, then rose more slowly. They never came back down. Compare January 2020 with September 2026:

What Changed?: Item
ItemJan. 2020PeakSep. 2026Change since 2020
All groceries (price index)———up about 32%
All consumer prices———up about 31%
Ground beef, per pound$3.89$6.92 (Aug. 2026)$6.79up about 75%
Eggs, per dozen$1.46$6.23 (Mar. 2025)$2.27up about 55%
Coffee, per pound$4.17$9.72 (Apr. 2026)$9.33up about 124%

What changed, and what didn’t? Groceries as a whole rose about as much as everything else. But beef and coffee rose far more, and eggs fell almost two-thirds from their peak. One cause, like greed, can’t explain all of that.

Running the Checklist on Groceries

1 What’s in a grocery dollar

Food passes through many hands between the farm and your cart. Of each dollar spent on groceries:

Running the Checklist on Groceries: Part of the dollar
Part of the dollarShareWhat drives it
The farmabout 18.5¢Weather, disease, feed and fertilizer costs, and the size of herds and flocks
Everything after the farmabout 81.5¢Processing, packaging, trucking, refrigeration, wholesale, and the store
Paying workers along the wayabout 47¢Wages and benefits throughout the food supply chain
The grocery store’s profitabout 2¢What the average grocer keeps after paying every other cost

Farm and labor shares are for 2024; the store’s profit is the 2025 industry average net margin.

Notice what this means. For a box of cereal, the wheat is a small slice of the price, so even a big jump in wheat barely moves it. For lightly processed foods such as beef and eggs, the farm’s share is much larger, so trouble on the farm shows up quickly at the store.

2 Supply and demand: why some foods jump more

  • Beef: a slow-moving supply squeeze. Years of drought and low cattle prices shrank the U.S. cattle herd to its smallest size since 1951. A cow has one calf a year, and keeping young females to rebuild the herd takes them off the market first, so supply tightens before it grows. Demand for beef has stayed strong.
  • Eggs: a sudden shock, then recovery. Bird flu wiped out millions of laying hens, and eggs hit a record $6.23 a dozen in March 2025. As flocks were rebuilt, the price fell to about $2.27. Stores didn’t turn generous; supply came back.
  • Coffee: weather and lags. Poor harvests in Brazil and Vietnam pushed coffee to record highs. Bean prices have since fallen on a bigger Brazilian crop, but shelf prices lag because roasters bought beans months earlier.
  • Energy: the cost under everything. Diesel rose about two-thirds after the Iran war began, from about $3.81 a gallon in late February to $6.35 in late October, and much of the world’s fertilizer ships through the Strait of Hormuz. Economists expect these costs to reach grocery shelves gradually, first for perishable foods trucked long distances.
  • Buyers can switch foods, not stop eating. Demand for food as a whole is inelastic, but demand for any one food is not. Shoppers trade steak for chicken or name brands for store brands, which limits how far one price can climb.

READ How Do People Respond to Prices?, section ②. Shoppers switch to cheaper foods, and they switch more the longer high prices last.

3 Government: price floors, quotas, and tariffs

Almost every major farm product comes with a government policy attached. Many work like price floors or limits on supply, and their purpose is to keep farm prices and incomes from falling. They come in several forms:

Running the Checklist on Groceries: Policy
PolicyHow it worksEffect on your grocery bill
Price floorsUSDA sets minimum prices that processors must pay dairy farmers for milk in 11 regions. The sugar program guarantees processors at least 24 cents a pound for raw cane sugar and about 33 cents for beet sugar; Congress raised those floors in 2025, by about a fifth for cane sugar and nearly a third for beet sugar.Shoppers pay more at the register. In 2025, U.S. sugar cost about 37 cents a pound, roughly double the world price of about 19 cents.
Import quotas and tariffsTariff-rate quotas let a small amount of sugar, beef, dairy, and peanuts enter at a low tariff; more pays a much higher one. These limits are what hold the sugar floor in place. Coffee faced tariffs as high as 50 percent in 2025, until they were lifted that November.Keeps cheaper foreign supply out, so protected foods cost more here than abroad.
Supply controlsFederal marketing orders let growers of some fruits, nuts, and specialty crops set quality rules and, in a few cases, limit how much can be sold. Tart cherry growers have held part of their crop off the market in 7 of the last 9 years.Holding product off the market raises its price.
Taxpayer-paid floorsFor corn, wheat, soybeans, rice, peanuts, and other crops, the government pays farmers when prices fall below set reference prices. In 2025 Congress raised those reference prices by 10 to 21 percent.Paid by taxpayers, not at the register. Keeping more land in production can even push crop prices down.
Mandates and border rulesThe ethanol mandate sends more than a third of the U.S. corn crop into fuel. Mexican cattle imports were halted to stop a livestock parasite, the New World screwworm.Higher corn prices raise feed costs for beef, pork, chicken, milk, and eggs. The cattle ban tightened beef supply.

Policy can also push the other way. In August 2026 the president temporarily expanded the import quota for lean beef trimmings by 300,000 metric tons to bring prices down, and SNAP helps families buy groceries. That makes for an odd mix: government works to raise some farm prices and lower some grocery prices at the same time.

Notice the test. Most of these policies have been in place for decades, so they explain why some foods cost more here than abroad, not why prices jumped in 2021 and 2022. They explain a jump only when they change, as with the 2025 sugar floor increase or new tariffs.

4 Market power: does anyone control the price?

Market power is a seller’s ability to raise its price without losing most of its customers. It depends on how competitive the market is, and so on how many alternatives and substitutes buyers have.

  • Meatpacking is concentrated. Four companies process about 85 percent of U.S. beef. The Justice Department is investigating possible collusion; no one has been charged.
  • Grocery stores compete hard. Supermarkets, Walmart, Costco, Aldi, dollar stores, and online sellers fight for the same shoppers, and the average grocer keeps about 2 cents per dollar of sales. In 2024 a federal court blocked the Kroger-Albertsons merger over concerns it would weaken that competition.
  • Some places have few choices. A rural town with one grocery store, or a city neighborhood served mainly by corner stores, gives that seller more room to charge more.

Notice the test. Meatpacking concentration has changed slowly, from 71 percent in 1992 to about 85 percent today, and Tyson, one of the four largest packers, expects its beef business to lose $625 million to $775 million this year amid a severe cattle shortage. Market power can help explain why some prices are higher than they would be in a more competitive market. It explains a sudden jump only if competition itself changed.

5 Price discrimination: do some shoppers pay more?

Price discrimination means charging different buyers different prices for the same good when cost doesn’t explain the difference. It takes some market power and a way to sort customers by willingness to pay:

  • Loyalty cards and digital coupons. Shoppers willing to sign up, clip coupons, or use the app pay less; everyone else pays the shelf price.
  • Store brands and bulk sizes. Nearly identical products sell at different prices under different labels and package sizes, sorting brand-loyal buyers from bargain hunters.
  • Personalized pricing. Apps, delivery services, and electronic shelf labels make it possible to set prices using a shopper’s data. Maryland now bars large grocers from using personal data to charge someone more, and Congress is considering similar bills. Defenders note that the same tools let stores mark prices down quickly.

It explains why different shoppers pay different prices, not why the average price rose for everyone.

6 Inflation: one price, or nearly all prices?

When nearly all prices rise together, look first at the Federal Reserve and the federal government. From early 2020 to spring 2022 the money supply grew about 40 percent while Washington spent heavily on pandemic relief. Total spending outran what the economy could produce, and grocery prices rose 11.8 percent in 2022 alone. No supermarket can do that.

Today the picture is different. In September 2026, grocery prices were up 1.8 percent from a year earlier, while overall prices were up 3.7 percent, driven mostly by energy. Right now, groceries are not leading inflation.

What Can Government Do?

What Can Government Do?: Tool
ToolHow it worksThe catchVerdict
Ban “gouging” or cap pricesSets a legal limit on price increases or margins. A 2026 Senate bill would ban “grossly excessive” grocery prices.“Excessive” is hard to define when costs are rising. A price held below the market level leads to empty shelves.Usually backfires
Remove price floors, quotas, and tariffsEnds minimum prices for milk and sugar and lets in more imported food at lower tax.Lowers prices for shoppers, but farm incomes fall and farm-state lawmakers resist. The 2026 beef quota expansion was temporary.Lowers prices; politically the hardest
Enforce antitrust lawsInvestigates collusion and blocks mergers that would weaken competition.Cases take years, and an investigation is not proof of wrongdoing.Protects competition; no quick price cut
City-owned grocery storesNew York City plans five subsidized stores promising about 30 percent savings on staples.Taxpayers cover the discount, and private grocers, including immigrant-owned bodegas, have sued. The first store opens in 2027 at the earliest.A subsidy by another name; small scale
Help families directlyFood assistance such as SNAP, or cash aid.Costs taxpayers, but leaves the price signal working.Avoids the shortages price caps can cause
Expand long-run supplySpeeds herd rebuilding, fights animal disease, and secures fertilizer supplies.Cattle herds take years to rebuild. Nothing passed today lowers next week’s beef price.Lowers prices over time

The option most often overlooked is letting the price work. High beef prices reward ranchers who keep heifers to grow the herd, push shoppers toward chicken and pork, and draw imports from abroad. Record egg prices are exactly what paid farmers to rebuild flocks quickly.

Fair Challenges

Decide what you think of each challenge first, then open the response.

“Grocery stores are gouging us.”
The average grocer keeps about 2 cents per dollar of sales, and about 1 in 9 lost money in 2025. Greed didn’t rise in 2021 and fall when eggs got cheaper. Margins can still be higher in some categories or towns than others.
“Companies made record profits in 2021–22, so they caused the inflation.”
Profits did rise, and grocers’ margins stayed above normal into 2023. Some economists, such as Isabella Weber, argue that supply shocks let large firms raise prices together. Others note that prices rise ahead of costs whenever spending grows faster than goods can be made, and those windfalls tell producers to make more. Researchers at the San Francisco Fed found that markups across the whole economy stayed about flat through the recovery, much as in past recoveries; big increases were limited to a few industries, such as cars and gasoline. They also found that markups played little role when inflation later slowed. Where high margins last after costs fall, the question is market power, not greed.
“The Big Four meatpackers are rigging beef prices.”
Concentration is high and under federal investigation, so the concern is fair. But it has risen only slowly over decades, and the record-small cattle herd explains most of the recent jump. The evidence on collusion is still being gathered.
“Prices should go back to what they were in 2019.”
Individual foods can fall when supply recovers. A broad fall in prices is deflation, which usually comes with recessions and falling paychecks.
“City-owned stores will fix it.”
Supporters say they can serve neighborhoods private stores avoid. Critics note that the 30 percent discount is paid by taxpayers and that the stores compete with existing private grocers.
“Farm supports keep American farmers in business.”
They do raise farm incomes, and that is easy to see. The cost is spread across every shopper and taxpayer, so it is harder to see. Supporters argue a stable domestic food supply is worth paying for.
“If Washington wants cheaper food, why does it set minimum prices?”
Fair question. Floors and quotas help organized producers, while the cost per shopper is small and hard to notice. Economists call this concentrated benefits and dispersed costs.

The Normative Question

Economics can show what each policy does to prices, supply, and shortages. It can’t decide how much a society should cushion families from high food prices, whether farm incomes should be supported through higher food prices or taxpayer payments, or who should pay for food assistance. Letting prices rise brings more food to market but hurts some families more than others. Every choice, including doing nothing, puts the burden on someone.

Key Terms in Plain Words

Farm share
The part of each food dollar that goes to farms; about 18.5 cents for groceries.
Supply shock
A sudden event, such as disease or drought, that cuts supply or raises costs.
Inelastic demand
When quantity bought changes little as price changes, as with food overall.
Substitutes
Goods that can replace each other, such as chicken for beef.
Tariff-rate quota
A set amount of imports enters at a low tariff; anything above it pays a higher one.
Relative price change
One good becoming more expensive compared with others.
Market power
A seller’s ability to raise its price without losing most of its customers.
Price discrimination
Charging different buyers different prices for the same good when cost doesn’t explain the gap.
Disinflation
Inflation slowing down. Prices still rise, just more slowly.
Deflation
A fall in the overall price level, which is rare and usually comes with recessions.
Price ceiling
A legal maximum price. Set below the market level, it causes shortages.
Price floor
A legal minimum price. Set above the market level, it causes surpluses and higher prices for buyers.
Marketing order
A federal rule, approved by growers, that sets quality standards and sometimes limits how much of a crop can be sold.
Profits and losses
The market’s reward for creating value for customers and its penalty for wasting scarce resources.

Sources