Use the Following to Answer Questions

question 53

Multiple Choice

Use the following to answer questions :
-Great Zimbabwe

• A)Speakers of this African language living south and east of the Congo River.
• B)The African region surrounded by the Sahara, the Gulf of Guinea, the Atlantic Ocean, and the mountains of Ethiopia.
• C)North African peoples who controlled the caravan trade between the Mediterranean and the Sudan.
• D)A Muslim port city in East Africa founded between the eighth and tenth centuries; today it is the capital of Somalia.
• E)African collectives bound together by ethnic or blood ties rather than by being political territories.
• F)From the word for "war chief," the name of a large and influential African kingdom inhabited by the Soninke people.
• G)The city in which the king of Ghana held his court.
• H)Originally a campsite for desert nomads, it grew into a thriving city under Mansa Musa, king of Mali and Africa's most famous ruler.
• I)A kingdom in northwestern Ethiopia that was a sizable trading state and the center of Christian culture.
• J)The East African coastal culture, named after a Bantu language whose vocabulary and poetic forms exhibit strong Arabic influences.
• K)The most powerful city on the east coast of Africa by the late thirteenth century.
• L)A ruined southern African city discovered by a German explorer in 1871; it is considered the most impressive monument south of the Nile Valley and Ethiopian highlands.

Analyze the impact of changing input prices on production costs.

Determine optimal production levels and input combinations for cost minimization.

Interpret short-run and long-run cost curves in various scenarios.

Apply the principles of competitive cost minimization to firm operation models.

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Definitions:

Constructing Models

The process of creating representations of real-world phenomena in order to test theories, predict outcomes, and analyze scenarios.

Simplifying Assumptions

Basic assumptions made to make complex economic models more understandable and manageable by ignoring certain factors.

Mathematical Equations

Symbolic representations of relationships between variables or quantities, defined by mathematical operations.

Economic Hypothesis

A proposed explanation for economic phenomena that is testable and can be confirmed or refuted by observation and experimentation.