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发表于 2019-10-31 12:06:37
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Consider the following binary variable version of the fixed effects model. Each regressor DjDj
* V4 r$ K- o) R) J( x/ @. Cis a binary variable that equals 1 when i = j and 0 otherwise. Note that the binary variable Upper D 1 Subscript iD1i : P+ s' P8 p* g# F4 ^. U. d
for the first group is arbitrarily omitted.
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Upper Y Subscript it equals beta 0 plus beta 1 Upper X Subscript it plus gamma 2 Upper D 2 Subscript i Baseline plus gamma 3 Upper D 3 Subscript i Baseline plus ... plus gamma Subscript n Dn Subscript i plus u Subscript itYit=β0+β1Xit+γ2D2i+γ3D3i+...+γnDni+uit 0 w2 c9 a7 ~8 v
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Use the regression in the equation above and the tool palette to the right to answer the following questions. 2 d+ h$ j q: X% {5 ]% G/ \2 F
What is the slope and intercept for entity 22
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The slope of entity 22
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7 X v' p2 v2 @is 33.
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0 e6 P: @; N& @* |! U8 |The intercept of entity 22
' ?$ ~% Y% ?3 f" E+ x+ i& \in time period 33 1 n1 e6 _7 E+ h. ^+ ^- a" v
is nothing.
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(Properly format your expressions using the tools in the palette. Hover over tools to see keyboard shortcuts. E.g., a subscript can be created with the _ character.)( `) D' m# K8 V3 i9 p {# z
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