To Prove That the OLS Estimator Is BLUE Requires the Following

question 28

Multiple Choice

To prove that the OLS estimator is BLUE requires the following assumption

• A)(X_i,Y_i)i = 1, …, n are i.i.d. draws from their joint distribution
• B)X_i and u_i have nonzero finite fourth moments
• C)the conditional distribution of u_i given X_i is normal
• D)none of the above

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Definitions:

Infant Mortality Rate

The number of deaths of infants under one year old per 1,000 live births in a given year.

Substandard Child Care

Child care that fails to meet established standards of quality and safety for the well-being of children.

Living in Poverty

The state of having insufficient financial resources to meet the basic needs such as food, clothing, and shelter.

Preventive Approach

Strategies aimed at stopping problems before they occur, focusing on risk reduction and early intervention.