The increase in price of good A from $1 to $2 caused a decrease in quantity of good B demanded from 10 to 5. Ceteris paribus, the arc cross price elasticity between these two goods is
A) -0.50
B) -1.00
C) -2.00
D) -2.50

Question

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The Answer of The increase in price of good A from $1 to $2 caused a decrease in quantity of good B demanded from 10 to 5. Ceteris paribus, the arc cross price elasticity between these two goods is
A) -0.50
B) -1.00
C) -2.00
D) -2.50

The Increase in Price of Good a from $1 to $2