Income elasticity is computed by the formula
A. $${e_i} = \frac{{{Q_1} - {Q_2}}}{{{P_1}}}$$
B. $${e_i} = \frac{{\frac{{{Q_2} - {Q_1}}}{{{Q_1}}}}}{{\frac{{{Y_2} - {Y_1}}}{{{Y_1}}}}}$$
C. $${e_i} = \frac{{{Q_2} - {Q_1}}}{{{Q_1}}} \times \frac{{{Y_1}}}{{{Y_2} - y}} \times 100$$
D. $${e_i} = \frac{{{Y_1} - {Q_1}}}{{{Y_2} - {Q_2}}}$$
Answer: Option B

Join The Discussion