Which of the following is not a source of economies of scale?

A) learning-by-doing
B) labor specialization
C) use of larger machines
D) inelastic resource supply curves

Economies of Scale

The cost advantages that enterpises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale.

Learning-by-doing

Learning-by-doing is the process of improving skills and efficiency in a task or operation through practical experience and repetition over time.

Labor Specialization

The division of labor where individuals focus on a narrow area of expertise, improving efficiency and productivity.