If Y_t Is I(2), Then

question 43

Multiple Choice

If Y_t is I(2) , then

• A)Δ2Y_t is stationary.
• B)Y_t has a unit autoregressive root.
• C)ΔY_t is stationary.
• D)Y_t is stationary.

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Definitions:

Controllable Variance

The difference between the actual variable overhead costs and the budgeted variable overhead for actual production.

Direct Materials Quantity Variance

The difference between the actual quantity and the standard quantity of direct materials used in producing a product multiplied by the standard direct material price.

Units

A measure of quantity used to express the amount of a product, service, or resource used or produced in a transaction.

Direct Materials Quantity Variance

The difference between the actual quantity of materials used in production and the standard quantity expected to be used, multiplied by the standard cost per unit of material.