The Following Is Not Part of the Extended Least Squares $\sigma _ { u } ^ { 2 }$

question 29

Multiple Choice

The following is not part of the extended least squares assumptions for regression with a single regressor:

• A)var(u_i | X_i)= \(\sigma _ { u } ^ { 2 }\)
• B)E(u_i | X_i)= 0.
• C)the conditional distribution of u_i given X_i is normal.
• D)var(u_i | X_i)= \(\sigma _ { u , i } ^ { 2 }\)

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Definitions:

Equilibrium Quantity

The quantity of goods or services that is supplied and demanded at the equilibrium price, where supply equals demand in a market.

Equilibrium Price

The cost at which the amount of products offered matches the amount of products requested.

Equilibrium Quantity

The quantity of goods supplied that is exactly equal to the quantity of goods demanded at the market equilibrium price.

Invisible Hand Principle

Adam Smith's concept that self-interested behaviors in a free-market economy lead to economic benefits for all.