Answer: The invisible hand
Step-by-step explanation:
What Is the Invisible Hand?
This occurs when the move in the market economy occurs without seeing the force that caused that effect.
When people are following individualism process , fulfilling their long term goals or interest they in return fulfill the interest of the whole society
In the above text these couples are buying this company for their own personal benefits or interest however as a result this has cause a movement in the market economy and the interest of the whole society because they start to hire local people, opening up job opportunities.