The slope of the production possibilities frontier at a given point indicates _____.
a country's opportunity cost of production
a country's trade balance
a country's total gains from trade
the preferences of a country
The slope of the production possibilities frontier (PPF) at a given point indicates a country's opportunity cost of production.
The PPF illustrates the trade-offs between two goods that a country can produce, and the slope represents the rate at which one good must be sacrificed to produce more of the other, reflecting the opportunity cost.