When the Price of Erasers Increases from $1

question 39

Multiple Choice

When the price of erasers increases from $1.50 to $2.50,the quantity demanded of pencils is unchanged.The cross-price elasticity of demand between erasers and pencils is ________ because erasers and pencils ________.

• A)1; are substitutes
• B)1/2; are complements
• C)0; are normal goods
• D)0; are unrelated
• E)-1/2; are complements

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Definitions:

Char

Partially burnt organic material or the process of partial combustion that leaves a substance with increased carbon content.

Gas Chromatography Injector

A component of a gas chromatography system that introduces the sample into the flow path of the carrier gas.

Vaporized

Turned into vapor, typically through the application of heat, changing from a liquid or solid state into a gaseous state.

Gas Chromatograph

A gas chromatograph is an analytical instrument used to separate, analyze, and identify compounds in a gaseous sample based on their different boiling points.