Examlex
Selection bias occurs when the respondent decides which of the questions on the survey to answer.
Goods And Services
The products (goods) and activities (services) that are produced and provided to satisfy consumers' wants and needs.
Trade Balance
The difference between the monetary value of a nation's exports and imports over a certain period, indicating a surplus if exports exceed imports or a deficit otherwise.
Exports
Goods or services that are produced in one country and sold to buyers in another, contributing to the exporting country's economy.
Imports
Goods and services bought from foreign countries for domestic consumption.
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