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"## Solow Growth Model: What If _s_ is the Net Rather than the Gross Savings Rate? \n",
"\n",
"Last edited: 2019-08-17\n",
"\n",
"Definition of capital-output ratio:\n",
"\n",
">(1) $ κ_t = \\frac{K_t}{Y_t} $\n",
"\n",
"Factor accumulation:\n",
"\n",
">(2) $ \\frac{dL_t}{dt} = nL_t $\n",
"\n",
">(3) $ \\frac{dE_t}{dt} = gE_t $\n",
"\n",
">(4) $ \\frac{dK_t}{dt} = s(Y_t - \\delta K_t) $\n",
"\n",
">(5) $ \\frac{dK_t}{dt} = s(1 - \\delta κ_t)Y_t $\n",
"\n",
"Production function:\n",
"\n",
">(6) $ Y_t = K_t^α(L_tE_t)^{(1-α)} $\n",
"\n",
">(7) $ Y_t = κ_t^{(α/(1-α))}L_tE_t $\n",
"\n",
">(8) $ κ^* = \\frac{s(1 - \\delta κ^*)}{n+g} $\n",
"\n",
">(9) $ κ^* + \\delta κ^* \\frac{s}{n+g} = \\frac{s}{n+g} $\n",
"\n",
">(10) $ κ^* \\left( \\frac{n + g + \\delta s}{n+g} \\right) = \\frac{s}{n+g} $\n",
"\n",
">(11) $ κ^* = \\frac{s}{n+g + \\delta s} $\n",
"\n",
">(12) $ Y^*_t = \\left( \\frac{s}{n+g + \\delta s} \\right)^{(α/(1-α))}L_tE_t $\n",
"\n",
"> (13) $ \\ln(Y^*_t) = (α/(1-α)) \\left( \\ln(s) - \\ln(n+g+\\delta s) \\right) + \\ln(E_t) + \\ln(L_t) $\n",
"\n",
"> (13) $ \\ln(Y^{*net}_t) = (α/(1-α)) \\left( \\ln(s) - \\ln(n+g+\\delta s) \\right) + \\ln(E_t) + \\ln(L_t) + \\ln(n+g) - \\ln(n+g+\\delta s)) $\n",
"\n",
">(14) $ Y^{*net}_t = \\left( \\frac{n + g}{n+g+\\delta s} \\right) \\left( \\frac{s}{n+g + \\delta s} \\right)^{(α/(1-α))}L_tE_t $\n",
"\n",
" \n",
"\n",
"----"
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" \n",
"\n",
"## Solow Growth Model: What If $ s $ is the Net Rather than the Gross Savings Rate?\n",
"\n",
"\n",
"\n",
"### Catch Our Breath—Further Notes:\n",
"\n",
"
\n",
"\n",
"----\n",
"\n",
"* Weblog Support \n",
"* nbViewer \n",
"\n",
" \n",
"\n",
"----"
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