Value-Added Tax (VAT)
What is Value-Added Tax (VAT)?
A VAT is a tax collected at each stage of production on the value added, ultimately paid by the final consumer.
Unlike a retail sales tax charged only at the final sale, a VAT is collected piece by piece along the supply chain. It is widely used outside the U.S. and is hard to evade.
Value-Added Tax (VAT): a worked example
Take a 10% VAT and a three-stage chain, with every price quoted before tax. A timber grower sells logs to a mill for $100, charges $10 of VAT and remits all $10. The mill sells planks to a retailer for $250, charges $25, claims a credit for the $10 it already paid, and remits $15. The retailer sells a table to a shopper for $400, charges $40, credits the $25, and remits $15. The government collects $10 + $15 + $15 = $40, exactly 10% of the $400 final price. The shopper is the only party in the chain with no credit to claim, so the $40 stops there.
The mistake students make with value-added tax (vat)
People assume that taxing every stage means tax piling on tax, so a long supply chain would end up taxed more heavily than a short one. Input credits prevent that: each firm subtracts the VAT it paid from the VAT it charged, so it remits only the rate times the value it added, and the total equals the rate times the final price no matter how many hands the good passes through. The confusion is fair, because a cascading turnover tax with no credits really does compound.
Value-Added Tax (VAT) questions
What is the difference between VAT and sales tax?
A VAT and a retail sales tax both land on the final consumer, but they collect it differently. A sales tax is charged once, at the last sale, so the whole amount is lost if that one seller fails to remit. A VAT is collected in pieces at every stage, with credits for tax already paid, so most of the revenue still arrives even when one link in the chain does not report.
Is a value-added tax regressive?
A VAT is regressive when measured against annual income, because households with lower incomes spend a larger share of that income on taxed consumption and save less of it. Measured against lifetime consumption the gap narrows, since savings are eventually spent. Governments that use a VAT often zero-rate necessities such as food, rent or medicine, or pair the tax with rebates, to blunt the effect on low-income households.
Why is a VAT harder to evade than a sales tax?
A VAT is harder to evade because it is partly self-enforcing. Each buyer needs an invoice from its supplier to claim credit for tax already paid, so firms have a reason to demand documentation from one another, and the resulting paper trail lets auditors cross-check both sides of a sale. Under a retail sales tax, a single unreported cash sale at the end of the chain hides the entire tax.
Related terms
Common comparisons
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