The Following Regression Analysis Was Conducted for the Inflation Rate $e _ { B P } = a _ { 0 } + a _ { 1 } \left( \frac { \left( 1 + I _ { U S } \right) } { \left( 1 + I _ { B } \right) } - 1 \right) + \mu$

question 18

Multiple Choice

The following regression analysis was conducted for the inflation rate information and exchange rate of the British pound:
$e _ { B P } = a _ { 0 } + a _ { 1 } \left( \frac { \left( 1 + I _ { U S } \right) } { \left( 1 + I _ { B } \right) } - 1 \right) + \mu$
Regression results indicate that a₀ = 0 and a₁ = 1. Therefore:

• A) purchasing power parity holds.
• B) purchasing power parity overestimated the exchange rate change during the period under examination.
• C) purchasing power parity underestimated the exchange rate change during the period under examination.
• D) purchasing power parity will overestimate the exchange rate change of the British pound in the future.

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