A Rise in the Price of Butter from $3 to $5

question 23

Multiple Choice

A rise in the price of butter from $3 to $5 per kilogram causes the quantity demanded of margarine to increase from 100 000 to 200 000 kilograms.The numerical value of the cross-price elasticity between these two goods is therefore:

• A)-0.75
• B)0.75
• C)1.33
• D)1.50
• E)-1.33

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Definitions:

Myelin

A fatty substance that surrounds and insulates the axons of some neurons, facilitating faster electrical impulse transmission.

Dendrites

Extensions of neurons that receive signals from other neurons or sensory receptors, playing a key role in the communication within the brain.

Axons

Long, slender projections of nerve cells that transmit electrical impulses away from the neuron's cell body.

Somas

The cell bodies of neurons, containing the nucleus and cytoplasm, which are essential for the neuron's function and health.