Final answer:
According to Michael Kremer, he emphasized the concept of productivity paradox when discussing population growth and productivity over human history.
Step-by-step explanation:
According to Michael Kremer's perspective on population growth and productivity over human history, he emphasized the concept of Productivity paradox. Kremer argued that population growth leads to the accumulation of knowledge and technological advancements, which, in turn, drive productivity growth. This contradicts the traditional belief, known as the Malthusian theory, which states that population growth leads to diminishing returns.