Adam Smith was of the opinion that self-interest is important because it determines a competitive economy and allows all individuals to perform their best to increase their own personal gain.
Adam Smith was a Scottish economist and philosopher who was a pioneer of political economy and key figure during the Scottish Enlightenment.
Therefore, Adam Smith believes self-interest is important. It determines a competitive economy and allows all individuals to improve their own personal gain.
learn more about Adam Smith: https://brainly.com/question/50
#SPJ1