The theory of constraints has its origins in

A) linear programming theory.
B) the theory of economies of scale.
C) material requirements planning.
D) the theory of finite capacity planning.
E) Goldratt and Cox's book, The Goal: A Process of Ongoing Improvement.

Theory of Constraints

A management approach that focuses on identifying and managing the most limiting factor (constraint) that stands in the way of achieving a goal.

Goldratt and Cox

Eliyahu M. Goldratt and Jeff Cox, co-authors of "The Goal," a book introducing the Theory of Constraints, a methodology for improving organizational performance.