Which of the Following Equations Is Incorrect

question 52

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) = x₁^2Var(R₁) + x₂^2Var(R₂) + 2X₁X₂Cov(R₁,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:

Net Exports

The value of a country's total exports minus its total imports; a positive value indicates a trade surplus while a negative value indicates a trade deficit.

Net Taxes

The total taxes paid by individuals or businesses after accounting for allowances, deductions, and credits.

Government Outlays

Government outlays refer to the total amount of money spent by the government, including spending on goods and services, transfer payments, and debt interest. This term is synonymous with government spending but emphasizes the outflow aspect.

Government Expenditures

The total amount spent by the government for its operations, projects, and policies, including infrastructure, public services, and social security payments.