formulas econometrics Flashcards
1
Q
E(x+y)=
A
E(x)+E(y)
2
Q
(if x,y independent)E(xy)=E(x)*E(y)
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3
Q
E(ax+b)=a*E(x)+b
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4
Q
Var(x+y)=Var(x)+Var(y)+2Cov(x,y)
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5
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6
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7
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8
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8
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8
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8
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8
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8
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8
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8
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9
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9
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9
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9
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9
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9
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9
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9
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9
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9
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10
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10
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11
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12
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13
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14
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A
