Final answer:
Productive efficiency refers to the ability of an economy to produce the maximum output possible given the available resources and technology.
Step-by-step explanation:
Productive efficiency refers to the ability of an economy to produce the maximum output possible given the available resources and technology. In other words, it means using the least costly production techniques. When an economy is productively efficient, it is producing goods and services at the lowest possible cost and using all available resources efficiently. For example, if a factory is producing cars using the most efficient production techniques and fully utilizing its workforce and equipment, it can be considered productively efficient.