Answer:
Escalation of commitment
Explanation:
Escalation of commitment refers to an act of pumping in more money, time and other resources in a bad investment project which is going to accrue to no gains.
In the given case, the investor is aware of the business investment being unfruitful. Yet to conform to perceptions, judgement and impression one casts on individuals around, he continues investing more and more.
Here, the investor is trying to prove validity of his business decisions and at the same time conform to views and judgement of his friends and people. Thirdly to guard and protect the reputation of being rational and consistent in decision making. This is termed as escalation of commitment.