The best description fo the invisible hand theory according to Adam Smith is that 4) when we act to better ourselves, society as a whole also benefits.
What is the invisible hand theory?
According to Adam Smith, there is an invisible hand that acts to control and correct the economy such that it will return to equilibrium.
In such a market, humans would need to act in self-interest because doing so would raise the productive capacity of the nation as people seek profits. This would then benefit the society as a whole.
Find out more on the Invisible hand theory at https://brainly.com/question/3078419.
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