Why is there an increased need for unskilled labor

Unskilled labor provides a significant part of the overall labor market, performing daily production tasks that do not depend on technical abilities or skills. Unskilled labor can be used to identify both the type of work being completed as well as the employee completing it.

Explanation:

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.