Why will an increase in the number of producers of a good increase the market supply?

Question

Quizplus · Accepted Answer

Market supply is the sum of all individual supply curves, so an increase in the number of producers will result in a larger total supply for the market. This assumes that each individual supplier has their own unique supply curve, which may or may not be identical to other suppliers' curves. The price and market demand may also be affected by the increase in supply, but they are not the direct cause of the increase in market supply.

Why Will an Increase in the Number of Producers of a Good