Escalation of Commitment aka “Concorde fallacy.”
When we put more effort and resources into a failing decision or course of action, e.g., continuing to buy a stock on its way down.
Escalation of commitment occurred when the British government continued funding the Concorde supersonic jet long after it’s lack of commercial viability was apparent. Some scholars refer to escalation of commitment as the “Concorde fallacy.”
Ex: Stock Market; Invest in Worldcom