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Econ 2100 exam 1 Questions and Correct
Answers
What do economists study Ans: How people, firms and society
make decisions
Scarcity Ans: the limited nature of society's resources
Economics Ans: the study of how society manages its scarce
resources
Trade-off Ans: the act of giving up one benefit in order to gain
another
oppurtunity cost Ans: whatever must be given up to obtain some
item
Incentive Ans: something that induces a person to act
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, 2 | Page
How can people benefit from trade? Ans: People can buy a greater
variety of goods and services at lower cost
market Ans: A group of buyers and sellers
How do markets organize economic activity? Ans: A market
economy redistributes decisions of many firms and households as
they interact in markets
Prices in a market economy Ans: - determines by the interaction of
buyers and sellers
- reflect the goods value to buyers
- reflect the cost of producing the good
invisible hand Ans: prices guide self-interested households and
firms to make decisions that maximize society's economic well-
being
© 2025 All rights reserved
Econ 2100 exam 1 Questions and Correct
Answers
What do economists study Ans: How people, firms and society
make decisions
Scarcity Ans: the limited nature of society's resources
Economics Ans: the study of how society manages its scarce
resources
Trade-off Ans: the act of giving up one benefit in order to gain
another
oppurtunity cost Ans: whatever must be given up to obtain some
item
Incentive Ans: something that induces a person to act
© 2025 All rights reserved
, 2 | Page
How can people benefit from trade? Ans: People can buy a greater
variety of goods and services at lower cost
market Ans: A group of buyers and sellers
How do markets organize economic activity? Ans: A market
economy redistributes decisions of many firms and households as
they interact in markets
Prices in a market economy Ans: - determines by the interaction of
buyers and sellers
- reflect the goods value to buyers
- reflect the cost of producing the good
invisible hand Ans: prices guide self-interested households and
firms to make decisions that maximize society's economic well-
being
© 2025 All rights reserved