Answer:
Adam Smith
Step-by-step explanation:
Adam Smith, known today as "Father of the economy", has put out the idea that competition, self-interest, and need to gain guide the rational thinking.
By this social cohesion is maintainable and it leads to economic prosperity
These ideas of his are the guiding points of division of labor and laissez-faire economic policies, which proposes that people are prone to rational thinking and that the government should not be involved in economics.