Suppose That a Researcher Wishes to Test for Calendar (Seasonal)

question 7

Multiple Choice

Suppose that a researcher wishes to test for calendar (seasonal) effects using a dummy variables approach. Which of the following regressions could be used to examine this?
(I) A regression containing intercept dummies
(ii) A regression containing slope dummies
(iii) A regression containing intercept and slope dummies
(iv) A regression containing a dummy variable taking the value 1 for one observation and zero for all others

• A) (ii) and (iv) only
• B) (i) and (iii) only
• C) (i), (ii), and (iii) only
• D) (i), (ii), (iii), and (iv).

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Definitions:

Major Organic Product

The primary outcome of a chemical reaction, especially notable in reactions involving organic compounds, indicating the most abundant product formed.

Major Organic Product

The primary product of an organic reaction, usually the one in higher yield or that is thermodynamically most stable.

Reasonable Mechanism

A reasonable mechanism in chemistry is a proposed sequence of steps that explains how a chemical reaction occurs, based on established principles and experimental evidence.

Major Organic Product

The major organic product refers to the primary product with the highest yield in a chemical reaction involving organic compounds.