Which of These Assumptions Indicates Homoskedasticity?
A)E(e_it)= 0
B)var(e_it)= E(e²_it)= $\sigma$

question 11

Multiple Choice

Which of these assumptions indicates homoskedasticity?

• A)E(e_it)= 0
• B)var(e_it)= E(e²_it)= \(\sigma\) ²
• C)cov(e_it,e_js)= E(e_it,e_js)= 0 for i j or t s
• D)cov(e_it,x_2it)= 0,cov(e_it,x_3it)

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