Question

by whom the demand is made in an economy​

Answer 1

Answer:

here's your answer dear

After Smith's 1776 publication, the field of economics developed rapidly, and refinements were to the supply and demand law. In 1890, Alfred Marshall's Principles of Economics developed a supply-and-demand curve that is still used to demonstrate the point at which the market is in equilibrium.

Answer 2

Answer:

After Smith's 1776 publication, the field of economics developed rapidly, and refinements were to the supply and demand law. In 1890, Alfred Marshall's Principles of Economics developed a supply-and-demand curve that is still used to demonstrate the point at which the market is in equilibrium.

hope it helpz u! :-)♥