Question

a. what must be given up in order to gain something else
b. whatever makes a person act or choose
c. the study of large economic systems and how their decisions affect issues such as unemployment, price, and trade
d. the limited amount of necessary or desired resources
e. the study of individual economic actors. for example: how individuals, households, or businesses interact economically
f. the study of how a society manages its scarce resources

1. economics
2. microeconomics
3. macroeconomics

Explanation:

1. For "Economics", the definition is the study of how a society manages its scarce resources (option f), as economics broadly deals with resource management.
2. "Microeconomics" focuses on individual economic actors like individuals, households, or businesses (option e), which matches its scope.
3. "Macroeconomics" studies large economic systems and their impact on issues like unemployment, price, and trade (option c), fitting its focus on the economy as a whole.
4. Option a is "opportunity cost" (what is given up to gain something), option b is "incentive" (what makes a person act), option d is "scarcity" (limited resources).

Answer:

1. Economics: f. The study of how a society manages its scarce resources
2. Microeconomics: e. The study of individual economic actors. For example: how individuals, households, or businesses interact economically
3. Macroeconomics: c. The study of large economic systems and how their decisions affect issues such as unemployment, price, and trade