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borteleto borteleto
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6 years ago
Blue pens and black pens are close substitutes. The cross elasticity of demand for black pens with respect to the price of blue pens is ________.
A) positive
B) negative
C) equal to 1
D) zero
Textbook 
Foundations of Finance

Foundations of Finance


Edition: 9th
Authors:
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guzmanguzman
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6 years ago
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