Examlex
Field experiments tend to have less external validity than laboratory experiments.
Tariff
A tax imposed by a government on goods and services imported from other countries, used to control trade and protect domestic industries.
Sugar
A sweet-flavored substance derived primarily from sugarcane and sugar beet, used chiefly as an ingredient in food and beverages.
Equivalent Imports
Goods or services brought into a country that serve the same purpose as locally produced goods or services.
Quota
A government-imposed trade restriction limiting the number or monetary value of goods that can be imported or exported during a specified period.
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