Which of the Following Models Is Assumed for a Quarterly

Multiple Choice

Which of the following models is assumed for a quarterly time series that seems to grow on average by an increasing amount (or decline by a decreasing amount) and seems to have seasonality?

A) ln(y_t) = β₀ + β₁d₁ + β₂d₂ + β₃d₃ + β₄t + ε_t
B) y_t = β₀ + β₁d₁ + β₂d₂ + β₃d₃ + β₄t + ε_t
C) ln(y_t) = β₀ + β₁d₁ + β₂d₂ + β₃d₃ + β₄d₄ + β₅t + ε_t
D) y_t = β₀ + β₁d₁ + β₂d₂ + β₃d₃ + β₄d₄ + β₅t + ε_t