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Contrast the various trade restrictions and what each one does

CFA® Level I · Economics · International Trade · EC.8.b

The idea

A tariff is a tax on imports: it raises the domestic price, protects local producers, generates revenue and imposes a deadweight loss. A quota caps the quantity imported, producing a similar price effect but handing the gain to whoever holds the import licences rather than to the government. A voluntary export restraint is a quota administered by the exporter, so the rent accrues abroad. Subsidies to domestic producers lower their costs rather than raising import prices. In each case domestic producers gain while consumers, or taxpayers under a subsidy, lose more, and the difference is the efficiency cost.

A practice question

From the question bank, with the reason each wrong option is wrong.

What is the immediate effect of a tariff on the domestic price of an imported good?

  1. It rises — correct
  2. It fallsWhy not: A tariff is a tax on imports, and the tax is passed into the price consumers face.
  3. It is unchangedWhy not: If the price did not move, the tariff would neither protect domestic producers nor raise revenue.

A tariff is a tax on the import, so the price domestic buyers pay increases. That is the mechanism by which local producers are protected.

A harder one

How does a quota differ from a tariff in who captures the gain?

  1. A quota generates government revenue while a tariff does notWhy not: Exactly inverted: the tariff raises revenue, while the quota's gain goes to the licence holder unless the rights are auctioned.
  2. A quota's gain goes to whoever holds the import rights rather than to the government — correct
  3. A quota has no effect on priceWhy not: Restricting quantity is another way of raising the domestic price; that is what makes it protective.

Both restrict imports and raise prices, but a tariff's wedge is collected as tax revenue whereas a quota's accrues to licence holders as rent.

The hardest tier

Why is a voluntary export restraint usually more costly to the importing country than an equivalent tariff?

  1. It restricts a larger volume by constructionWhy not: The comparison is with an equivalent restriction, so the volume is the same. What differs is who keeps the rent.
  2. It cannot be removed once agreedWhy not: They are negotiated arrangements and have been removed. The cost is economic, not contractual.
  3. The rent accrues to foreign exporters — correct

A tariff's revenue would have stayed at home. The price effect is similar, but with a voluntary export restraint the exporting country administers the limit and captures the margin, so the importing country bears the consumer loss without collecting the revenue.

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