Examlex
Aa flows are generally thinner, faster moving, and have smoother surfaces than pahoehoe flows.
World Price
The international market price of a commodity or product, determined by global supply and demand forces.
Free Trade
The policy of allowing unrestricted import and export of goods between countries, without tariffs, quotas, or other restrictions.
Total Surplus
The sum of consumer and producer surplus, which measures the total benefit to society from conducting transactions in a market.
Autarky
A situation where an economy is self-sufficient and does not engage in international trade.
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