Cost of production is the total economic value of all resources used to produce a given quantity of output, including not just cash expenses but also the opportunity cost of resources the producer already owns, such as land and unpaid family labour.
The practical question it answers: what does it really cost, in full, to grow this crop or raise this herd — not just what was paid out in cash?
Cost of production is the price side of the Production Function: the function shows what output a set of inputs can generate, and the cost of production translates that same input bundle into a dollar figure once input prices are applied.
What Is Cost of Production?
A crucial distinction runs through every serious cost-of-production estimate: the difference between cash cost and economic cost. Cash cost includes only expenses that involve an actual outlay of money — seed, fertiliser, fuel, hired labour. Economic cost goes further, following the Opportunity Cost principle: it also assigns a cost to resources the farm already owns and uses without a cash payment, such as the operator’s own unpaid labour and land the operator owns outright rather than rents.
USDA’s Economic Research Service, which has published annual commodity cost and return accounts since 1975, builds its estimates exactly this way. ERS economic costs include operating costs — cash outlays such as seed and fertiliser — plus allocated overhead costs such as equipment, taxes and insurance, and the methodology explicitly assigns an opportunity cost to unpaid labour and to land the farmer owns. The only input left without an assigned cost in the ERS framework is the operator’s own management.
This matters because a farm can look profitable on a cash basis while actually losing money in economic terms — if the return does not cover what the operator’s own land and labour could have earned in their next-best use, the operation is not truly covering its full cost of production, even though no cash shortfall shows up in the checkbook.
Why Does Cost of Production Matter?
It is the basis for every major farm business decision. Whether to plant a crop, expand an enterprise, or exit one entirely depends on comparing expected price against the full cost of production, not just the cash cost — a decision that Farm Management depends on getting right every season.
It underpins farm policy design. The reference prices and support levels set in U.S. farm legislation are explicitly benchmarked against USDA’s cost-of-production estimates; a 2025 Farm Bill analysis found statutory reference prices set about 3 percent lower, on a cost-per-trend-output-unit basis, than the reference prices used for the 2019 crop year — a direct illustration of cost-of-production data feeding straight into national policy.
It reveals when a whole sector is under financial strain. Estimates released ahead of the 2025 growing season projected total cost of production per acre at $1,181.84 for peanuts, $899.96 for cotton, $871.09 for corn, and a comparable figure for soybeans, with the analysis noting that at those cost levels the negative returns row-crop producers experienced in 2024 were expected to persist into 2025 unless prices improved — cost-of-production data turning directly into a warning about sector-wide profitability.
A Worked Example: Corn Production Costs
USDA’s National Agricultural Statistics Service publishes exactly this kind of itemized breakdown. For corn grown in the Heartland Region in 2022, the reported costs and returns per planted acre were:
| Cost Category | 2022 ($/acre) |
|---|---|
| Seed | 100.96 |
| Fertilizer | 228.65 |
| Chemicals | 44.30 |
| Custom services | 27.15 |
| Fuel, lube and electricity | 40.19 |
| Repairs | 39.89 |
| Interest on operating capital | 5.87 |
| Total operating costs | 487.01 |
| Hired labour | 4.30 |
| Opportunity cost of unpaid labour | 32.30 |
| Capital recovery of machinery and equipment | 173.36 |
| Opportunity cost of land (rental rate) | 210.98 |
| Taxes and insurance | 13.95 |
| General farm overhead | 22.01 |
| Total allocated overhead | 456.90 |
| Total, costs listed | 943.91 |
Against a gross value of production of $1,289.29 per acre — based on a yield of 200 bushels per planted acre at a harvest price of $6.44 per bushel — this leaves $345.38 per acre after all costs listed, including the opportunity costs of unpaid labour and owned land. Notice that two of the largest single line items, the opportunity cost of land ($210.98) and the opportunity cost of unpaid labour ($32.30), never appear as cash expenses at all — a producer relying only on a cash-basis calculation would report a much larger apparent profit than this full economic accounting shows.
Key Takeaways
- Cost of production is the full economic value of all resources used to produce output, distinct from cash cost, which counts only actual money spent.
- Economic cost estimates assign an opportunity cost to resources a farm already owns, such as unpaid family labour and owner-occupied land, not just to items that are paid for in cash.
- USDA’s Economic Research Service builds its commodity cost accounts on exactly this economic-cost basis, and its estimates feed directly into U.S. farm policy reference prices.
- 2025 forecasts placed total cost of production per acre at roughly $1,182 for peanuts, $900 for cotton, and $871 for corn, with negative returns expected to persist for row-crop producers unless prices improved.
- In a real 2022 Heartland corn example, total costs listed reached $943.91 per acre, of which $456.90 was allocated overhead — including opportunity costs for land and unpaid labour that never show up as cash expenses.
Frequently Asked Questions
What is the definition of cost of production?
Cost of production is the total economic value of every resource used to produce a given output, including cash expenses such as seed and fertiliser as well as the opportunity cost of resources the producer already owns, such as unpaid family labour and owner-occupied land.
What is the difference between cash cost and economic cost of production?
Cash cost includes only expenses that involve an actual payment of money. Economic cost goes further and assigns an opportunity cost to resources the producer owns and uses without paying cash for them, such as the farmer’s own labour and land. A farm can appear profitable on a cash basis while still failing to cover its full economic cost of production.
What is included in the cost of production for a crop?
USDA’s methodology divides crop production costs into operating costs — cash outlays such as seed, fertiliser, chemicals, fuel and repairs — and allocated overhead costs, which include hired labour, the opportunity cost of unpaid labour, capital recovery of machinery, the opportunity cost of owned land, taxes, insurance and general farm overhead.
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References and Further Reading
- Zulauf, C., Paulson, N. & Schnitkey, G. (2025). Support price, cost of production, and the 21st century. farmdoc daily, University of Illinois. https://farmdocdaily.illinois.edu/2025/07/support-price-cost-of-production-and-the-21st-century.html
- USDA National Agricultural Statistics Service, Indiana Field Office. Corn and Soybean Production Costs and Returns, Heartland Region, 2021–2022. https://data.nass.usda.gov/Statistics_by_State/Indiana/Publications/Annual_Statistical_Bulletin/2223/pg39-40.pdf
- USDA Economic Research Service. Commodity Costs and Returns: Documentation. https://www.ers.usda.gov/data-products/commodity-costs-and-returns/documentation
- Using 2025 cost of production forecasts to assist in marketing row crops. Oklahoma Farm Report. https://www.oklahomafarmreport.com/2025/02/05/using-2025-cost-of-production-forecasts-to-assist-in-marketing-row-crops/
- Chambers, R. G. (1988). Applied Production Analysis: A Dual Approach. Cambridge University Press.