If an Increase in the Price of Good X Results

question 220

Multiple Choice

If an increase in the price of good X results in a decrease in the quantity of Y demanded

• A) good X and good Y are substitutes.
• B) good X and good Y are complements.
• C) the cross-price elasticity of demand for good Y is positive.
• D) There is not sufficient information to determine the relationship between good X and good Y.

---

Definitions:

Homo Sapiens Idaltu

An extinct subspecies of Homo sapiens that lived around 160,000 years ago, discovered in Herto, Ethiopia, considered one of the early forms of anatomically modern humans.

Denisovans

An extinct species or subspecies of archaic humans known from DNA evidence and a few archaeological remains, suggesting they once lived in Asia.

Bipedalism

The capability of bipedal locomotion, specifically walking on two legs, which is a trait of humans and their forebears.

Robust Australopithecines

Extinct hominids known for their sturdy skeletal structures, part of the early human lineage that lived in Africa.