Which of the Following Models Is Assumed for a Quarterly

question 56

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

---

Definitions:

Pricing

The process of determining the value that will be charged for goods or services offered to customers.

Perceived Value

The worth or importance a product or service holds in the mind of the consumer, which can influence their decision to purchase.

Marketing Mix

A set of controllable marketing tools—Product, Price, Place, and Promotion—that a company uses to produce a desired response from its target market.

Variety Of Products

A wide range of different items or goods offered by a business to meet various customer needs and preferences.