Cobb$-$Douglas Production Function: Y $=$ AKL$1-$

$$ Y: economic output $($real GDP$)$

$$ A: production function $($technology$)$

$$ K: capital stock

$$ L: labor force

$$ : capital share of GDP

$1-$: labor share of GDP

Neoclassical

Growth Theory

$$ Cobb$-$Douglas Production Function: Y $=$ AKL$1-$

$$Y$/$Y $=(1-$$)$L$/$L $+$ $$K$/$K $+$A$/$A

$$Y$/$Y: economic growth rate

$$L$/$L: labor force growth rate

$$K$/$K: capital stock growth rate

$$A$/$A: autonomous productivity growth rate $[$what will China's real gap be in $2050$ and $2100?]$