1 A Recursive Dynamic Computable General Equilibrium Model For ...
1 A Recursive Dynamic Computable General Equilibrium Model For ...
1 A Recursive Dynamic Computable General Equilibrium Model For ...
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Rearrange (B14) in terms of v i,j,k gives:<br />
= σ σλ<br />
(B15)<br />
v i,<br />
j,<br />
k − ri<br />
, j,<br />
k + + x j,<br />
k<br />
where σ is the elasticity of substitution between all pairwise types of primary factors (i.e.<br />
labour, capital) in the value added nest:<br />
1<br />
σ = (B16)<br />
1+<br />
ρ<br />
substituting (B15) into (B11) and rearranging in terms of σλ yields:<br />
n<br />
∑<br />
i=<br />
1<br />
σλ = σ S r<br />
(B17)<br />
i,<br />
j,<br />
k i,<br />
j,<br />
k<br />
Substituting (B17) into (B15) eliminates the percentage change Lagrangian variable λ.<br />
Factorising the resulting expression gives linearised CES Hicksian primary factor demands:<br />
v<br />
n ⎡<br />
= x j,<br />
k − ⎢ri<br />
, j,<br />
k −∑<br />
S<br />
⎣ i=<br />
r<br />
i,<br />
j,<br />
k σ i,<br />
j,<br />
k i,<br />
j,<br />
k<br />
(B18)<br />
1<br />
<strong>For</strong> consistent aggregation expression (B19) must hold:<br />
n<br />
U j,<br />
k X j,<br />
k ∑ Ri,<br />
j,<br />
kVi,<br />
j,<br />
k<br />
i=<br />
1<br />
⎤<br />
⎥<br />
⎦<br />
= (B19)<br />
By linearising (B19), substituting (B11) and rearranging, it is possible to derive the<br />
percentage change in the composite price in the value added nest as:<br />
n<br />
u j,<br />
k ∑ Si,<br />
j,<br />
k ri<br />
, j,<br />
k<br />
i=<br />
1<br />
= (B20)<br />
Further substitution of (B20) into (B18) gives a simplified version of the linearised<br />
Hicksian demand function:<br />
59