# RDP 8608: Exchange Rate Regimes and the Volatility,of Financial Prices: The Australian Case Equation (4)

$${Y}_{t+k}-{E}_{t}\left({Y}_{t+k}\right)={A}_{0}{u}_{t+k}+\dots +{A}_{k-1}{u}_{t+1}$$

$${Y}_{t+k}-{E}_{t}\left({Y}_{t+k}\right)={A}_{0}{u}_{t+k}+\dots +{A}_{k-1}{u}_{t+1}$$