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WGU D089 Final Exam (NEW 2026/ 2027 Update) Principles of Economics Review| Questions & Answers | Grade A| 100% Correct (Verified Solutions)

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WGU D089 Final Exam (NEW 2026/ 2027 Update) Principles of Economics Review| Questions & Answers | Grade A| 100% Correct (Verified Solutions)

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WGUl D089l Finall Examl (NEWl 2026/l
2027l Update)l Principlesl ofl Economicsl
Review|l Questionsl &l Answersl |l Gradel
A|l 100%l Correctl (Verifiedl Solutions)

QUESTION
long-runl averagel costl curve

Answer:
lowestl possiblel averagel costl ofl production,l allowingl alll inputsl tol productionl tol
varyl sol thatl thel firml isl choosingl itsl productionl technology



QUESTION
SRACl curves

Answer:
averagel totall costl curvel inl thel shortl term,l totall ofl averagel fixedl costs/averagel
variablel costs



QUESTION
economiesl ofl scale

Answer:
proportionatel savingsl inl costsl gainedl byl anl increasedl levell ofl production



QUESTION
constantl returnsl tol scale

Answer:
increasel inl inputsl causel thel samel increasel inl output

,QUESTION
diseconomiesl ofl scale

Answer:
leadl tol anl increasel inl averagel costsl asl al businessl growsl beyondl al certainl size



QUESTION
perfectlyl competitive

Answer:
typel ofl marketl withl manyl consumerl andl producersl alll ofl whoml arel pricel takersl
becausel theyl selll identicall products



QUESTION
monopolisticl competition

Answer:
multiplel firmsl sellingl differentiatedl productsl inl al marketl withl al lowl barrierl tol
entry



QUESTION
oligopy

Answer:
economicl conditionl inl whichl al smalll numberl ofl seller'sl exertl controll overl thel
marketl ofl al commodity



QUESTION
monopoly

Answer:

, firml producesl al goodl thatl hasl nol closel substitutel inl al marketl wherel barrierl tol
entryl preventsl otherl firmsl froml enteringl thel market



QUESTION
incumbent

Answer:
establishedl playerl inl market



QUESTION
marketl power

Answer:
abilityl tol setl thel price



QUESTION
perfectlyl elastic

Answer:
anyl increasel inl pricel willl causel demandl tol dropl tol 0



QUESTION
acquistion

Answer:
whenl onel firml purchasesl another



QUESTION
HHI

Answer:
suml ofl squaresl ofl marketl sharel ofl eachl inl thel industry

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