Coaching practices for Past Investment Decision Making
Describe almost anything you are working through and IX Coach finds the practices whose real-world fit is closest. For Past Investment Decision Making, these are the strongest matches in the current practice library.
Does this sound like the set of challenges you might be facing?
- Every time I try to weigh whether to keep going, the years and money I’ve already poured in flood right back in and drown out the actual question
- Every single month investing is this fresh little decision I have to talk myself into, and most months I just don’t
- I’m too tangled up in this to see it clearly
- I keep doubling down to justify the last round
- All I can feel is how much I’ll regret wasting everything I’ve already put in if I stop
Practices that may help
- Zero out past investment before evaluating the forward decision
Explicitly set prior investment to zero and evaluate only what each future path offers from here.
The Sunk Cost Fallacy: Escaping Bad Investments - Automate the investment so the decision is never repeated
Set up automatic transfers on payday so investing happens before the money is available to spend.
Dollar-Cost Averaging, Made Practical - Apply the new investor test
Ask: would a rational person who had not already invested choose to invest now?
The Sunk Cost Fallacy: Escaping Bad Investments - Actively watch for escalation of commitment
Each new investment in a losing course makes the next exit harder — catch escalation early.
The Sunk Cost Fallacy: Escaping Bad Investments - Use regret minimization as a forward-looking check
At 80, which will you regret more — stopping now, or having continued into a deeper hole?
The Sunk Cost Fallacy: Escaping Bad Investments - The Sunk Cost Fallacy: Escaping Bad Investments
The sunk cost fallacy is the tendency to continue a losing course because of unrecoverable past investment rather than on the basis of future expected value. It is one of the most robustly documented biases in behavioral economics. The corrective is to evaluate forward-only: what will each path deliver from here, regardless of what has already been spent. - Automate future-self allocations at a moment of patience
Set up automatic transfers or pre-blocked time when you’re in a patient state — remove the future-self decision from present-self’s hands.
Hyperbolic Discounting — Why Future You Always Gets the Short End - Use the 10-year horizon as a regret test
Ask: in 10 years, will I regret not doing this more than doing it?
The 10-10-10 Rule - Apply reverse sunk-cost thinking to existing commitments
Ask "Would I commit to this today, knowing what I know now?" for every ongoing obligation.
Essentialism: The Art of Eliminating the Non-Essential - Slow down on one-way doors
For irreversible decisions, invest in deliberation proportional to the downside — not to your confidence.
The Two-Way Door
Related concerns
- Past Investment Decision Error
The sunk cost fallacy is the tendency to continue a losing course because of unrecoverable past investment rather than on the basis of future expected value. It is one of the most robustly documented biases in behavioral economics. The corrective is to evaluate forward-only: what will each path deliver from here, regardless of what has already been spent.
- How To Avoid Sunk Cost Trap
The sunk cost fallacy is the tendency to continue a losing course because of unrecoverable past investment rather than on the basis of future expected value. It is one of the most robustly documented biases in behavioral economics. The corrective is to evaluate forward-only: what will each path deliver from here, regardless of what has already been spent.
- How To Ignore Sunk Costs
Explicitly set prior investment to zero and evaluate only what each future path offers from here.
Zero out past investment before evaluating the forward decision
- New Investor Test Sunk Cost
Ask: would a rational person who had not already invested choose to invest now?
Apply the new investor test
- Sunk Cost Analysis Method
The sunk cost fallacy is the tendency to continue a losing course because of unrecoverable past investment rather than on the basis of future expected value. It is one of the most robustly documented biases in behavioral economics. The corrective is to evaluate forward-only: what will each path deliver from here, regardless of what has already been spent.
- Sunk Cost Debiasing Technique
The sunk cost fallacy is the tendency to continue a losing course because of unrecoverable past investment rather than on the basis of future expected value. It is one of the most robustly documented biases in behavioral economics. The corrective is to evaluate forward-only: what will each path deliver from here, regardless of what has already been spent.
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