Which of the Following Equations Is INCORRECT

question 23

Multiple Choice

Which of the following equations is INCORRECT?

• A)Cov(R_i,R_j)= Σ(R_i - R_i)(R_j - R_j)
• B)Var(R_p)= w₁^2SD(R₁)+ w₂^2SD(R₂)+ 2w₁w₂Corr(R₁,R₂)SD(R₁)SD(R₂)
• C)Corr(R_i,R_j)=
• D)Cov(R_i,R_j)= E[(R_i - E[R_i])(R_j - E[R_j])]

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Definitions:

Tax

Mandatory financial charges imposed by a government on individuals or entities to fund public expenditures.

Producer Surplus

The difference between the amount producers are willing to accept for a good or service and the actual amount they receive, due to higher market prices.

Tax

A compulsory financial charge or levy imposed by a governmental organization in order to fund various public expenditures.

Price Elasticities

The responsiveness of the quantity demanded or supplied of a good to a change in its price.