The Manga Guide to Calculus

202 Chapter 6 Let’s Learn About Partial Dierentiation!

There was a senator

from Iinois named Paul

Douglas who served from

1949 to 1966.

He was a former

economist, and in

1927, he thought

about the problem

of sharing national

income in capital

andlabor.

How is it

shared?

There are roughly

two types of routes

in which gro

domestic product

(GDP), which is the

amount of production

within a country in

one year, is shared

among the people

ofthe country.

The first one is the

way in which GDP is

shared as wages

forlabor.

The second is the way

in which GDP is shared

as stock dividends to

the owners of capital,

such asmachinery and

equipment.

Appl