Solow–Swan model

The Solow–Swan model is a long-run economic growth model.

Variables in the model

Name	Variable	Unit	Rival input?	Endogenous?	Notes
Output	Y		–	Yes
Physical capital (capital stock)	K		Yes	In Solow–Swan	Physical capital includes things like machines, computers, buildings, etc.
Labor	L		Yes	Exogenous in Solow–Swan
Technology (knowledge)	A, T		No	Not in Solow–Swan
Consumption	C
Investment	I
Amount saved	S
Growth of X	$g_{X}={\dot {X}}/X={\frac {\frac {\partial X}{\partial t}}{X}}$
Population growth	$n={\dot {L}}/L$
Depreciation (rate?)	δ, d, D
Capital per worker	k = K/L			In Solow–Swan
Fraction saved	s
Output per worker	y = Y/L			Yes
Time	t
Production function	F
	α

External links

• Solow–Swan model (Wikipedia)