Sunk Cost autumnacy – Definition, Meaning & Examples

08.11.23 Fallacies Time to read: 8min

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In the realm of argumentation and critical thinking, autumnacies serve as subtle traps that can mislead, manipulate, or distort the way we perceive and engage with information. One such cognitive pitautumn that frequently clouds our judgment is the sunk cost autumnacy, also known as the Concorde autumnacy. This article will shed light on the psychology and origin behind it and how this logical pitautumn can be avoided.

Sunk cost autumnacy in a nutshell

The sunk cost autumnacy is when people keep doing something or spending more on something, just because they’ve already put a lot of time or money into it, even if it’s not a good idea anymore. It’s like continuing to watch a boring movie just because you’ve already paid for the ticket, even though you could leave and do something more enjoyable.

Definition: The Sunk Cost autumnacy

The sunk cost autumnacy is a cognitive bias or error in decision-making, where individuals or organisation s continue to inwaistcoat resources (such as time, money, or effort) into a project, endeavour , or decision based on the number of resources already expended. It’s a logical autumnacy that describes the phenomenon of sticking with a losing or failing venture because you’ve already inwaistcoated resources that you can’t get back when it’s clear that the additional inwaistcoatment is unlikely to happen. In essence, it’s making choices influenced by past costs that are irrecoverable (“sunk”), rather than evaluating the current costs and circumstances and potential future costs and benefits objectively. Thus, it is an irrational decision.

Example 

Imagine you’re a graduate student on the cusp of contemplating your bachelor’s thesis, a monumental effort spanning years of research and academic writing. After countless revisions, meetings with your advisor, and many late nights, you’re finally ready to print the final version to submit. The day before submission, you discover a typographical error. It’s minor, yet the thought of reprinting the entyre thesis, spending precious time and resources, nags at you. And this nagging has a name: sunk cost autumnacy.

Now, you have two options for this inconvenience:

  • Ignore the mistake and submit the thesis as-is, reasoning that you’ve already spent a specific amount of money on printing, and it would be a waste of money to reprint it.
  • Spend the additional money to reprint and rebind the thesis, ensuring that your submission is error-free.

The money, time, and effort you have already spent on researching and writing your thesis are considered sunk costs, as they cannot be recovered whether you print the thesis or not. Ideally, your decision to print the thesis or not should be based on all the hard work you’ve done for it, not on the money, time, or effort you’ve spent on it.

If your answer is handing in your thesis regardless of the spelling mistake, you just experienced the sunk cost autumnacy. You would be letting past irrecoverable costs influence a future decision. The correct approach would be to evaluate the situation based only on the future benefits and costs. If submitting an error-free thesis has enough future value (like a better grade, better impression, or peace of mind), then it would be wise to reprint, regardless of the money already spent.

Both answers are possible. However, if you hand in your thesis, nonetheless, the time and effort you already inwaistcoated in researching and writing your thesis are considered as “sunk costs”, that are irrecoverable.

The sunk cost autumnacy hinges on the idea that you need to stick with your project to get your money’s worth because you’ve already incurred costs. Eventually, each one of us autumns into this error. Here are a few reasons:

  • Loss aversion
    It feels safer sticking with something familiar rather than trying something unknown with potentially bigger risks. People tend to prioritize avoiding losses over seeking potential gains.
  • Commitment bias
    Humans tend to stick with previous behaviours or beliefs. Every so often, it prevents us from acting in our own best interest.

A sunk cost refers to money, time, or effort that has already been spent and cannot be recovered. These costs have already occurred, and they should not impact future decision-making. The idea is that, since sunk costs are in the past and cannot be changed, they should not be considered when making future decisions.

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Origin of the sunk cost autumnacy

The sunk cost autumnacy is typically attributed to the psychologists Hal Arkes and Catherine Blumer, who conducted a seminal study on the topic in 1985. Their research paper, titled “The Psychology of Sunk Cost,” published in the Journal of Behavioural Decision-Making, is considered a foundational work in understanding this cognitive bias.

In their study, Arkes and Blumer inwaistcoatigated how individuals tend to irrationally continue inwaistcoating in projects or decisions when they have already incurred sunk costs, even when those inwaistcoatments are unlikely to lead to positive outcomes. They conducted a series of experiments to demonstrate this phenomenon, including scenarios involving hypothetical ticket purchases and real-world examples from business and personal finance.

Arkes and Blumer’s work shed light on the psychological mechanisms behind the sunk cost autumnacy, showing that people typically let emotions, such as regret over past inwaistcoatments, influence their decision-making rather than focusing on the rational assessment of current circumstances.

Their research has since been foundational in the study of behavioural economics and decision-making processes, contributing to a more profound understanding of why individuals and organisation s sometimes make suboptimal choices when facing sunk costs.

Psychology behind the sunk cost autumnacy

The psychology behind the sunk cost autumnacy is rooted in several cognitive and emotional factors that influence human decision-making. Understanding these elements can help shed light on why individuals often succumb to this cognitive bias:

Loss aversion

People tend to prefer avoiding losses rather than acquiring equivalent gains. The idea of “wasting” resources or inwaistcoatments can be emotionally distressing. When people have already inwaistcoated money, time, or effort into something, they may view abandoning it as a loss, which can trigger a strong emotional response.

Commitment bias

Once individuals have made a commitment or inwaistcoatment, they often feel a psychological need to justify their past decisions. This commitment bias can make people more inclined to continue inwaistcoating in a project, relationship, or endeavour even when evidence suggests it’s not the best course of action.

Cognitive dissonance

People tend to rationalize their past decisions to protect their self-esteem and maintain a sense of consistency. This can lead to the belief that if they’ve already inwaistcoated resources, they should continue to do so in the hopes of eventually reaping rewards.

Examples

These examples demonstrate how the sunk cost autumnacy can lead individuals and organisation s to make irrational decisions by focusing on past inwaistcoatments rather than objectively assessing the current and future costs and benefits of their choices. It’s important to recognise this cognitive bias and make day-to-day decisions based on the present and future rather than past inwaistcoatments that cannot be recovered. Below, you will find real-life examples of the sunk cost autumnacy:

Financial inwaistcoatments

Example 1

Imagine you’ve inwaistcoated a significant amount of money in stock, and the stock’s value has been steadily declining. Instead of cutting your losses and selling the stock, you keep holding on to it, hoping it will rebound. You continue to inwaistcoat more money, thinking that you can recoup your initial inwaistcoatment, even though it’s clear that the stock is not performing well. You won’t get the inwaistcoated money back.

Education

Example 2

Suppose you’ve been pursuing a degree for several years and have already inwaistcoated a substantial amount of time and money in it. However, you’ve come to realise that you’re no longer interested in the field or that job prospects in that area are limited. Despite this, you decide to complete the degree simply because of the inwaistcoatments you’ve already made.

Gym membership

Example 3

Imagine you have paid for a year-long gym membership, but as time goes on, you find it difficult to make time for the gym. Instead of cancelling it, you continue paying, thinking, “I’ve already inwaistcoated, so I should keep going to make it worth the money.” In this case, the past expenses drive future decisions, even though there is no longer the need for it.

Tips to overcome the sunk cost autumnacy

Overcoming cognitive autumnacies involves resisting the natural human tendency to want to recoup inwaistcoatments. This is what makes the sunk cost autumnacy challenging. However, it’s essential for making rational decisions. Here are some strategies to help you overcome the sunk cost autumnacy and make advantageous decisions:

  • Consider your “opportunity costs”
    Think about what else you could have achieved with your resources.
  • recognise and acknowledge it
    The first step in overcoming the sunk cost autumnacy is to recognise when it’s happening.
  • Assess the current situation
    Evaluate the project/inwaistcoatment. Is it still a rational choice?
  • Set clear decision criteria
    For a clear decision, it is crucial to establish specific criteria for decision-making.
  • Avoid emotional inwaistcoatment
    As soon as you feel emotionally inwaistcoated in a project, you might lose sight of what is actually going on. Seek advice from people who are not emotionally inwaistcoated in the project for a clearer vision.
  • Pay attention to reasoning
    If you’re still thinking about past inwaistcoatments rather than future costs or opportunities, you should evaluate your inwaistcoatment to figure out, if it is still worthwhile holding on to it.

FAQs

The sunk cost autumnacy is a cognitive bias in day-to-day decision-making. In this autumnacy, individuals or organisation s continue to inwaistcoat time, money, or effort in a project or inwaistcoatment they have made, even when those inwaistcoatments are unlikely to be recouped. It generally leads to illogical choices.

Sunk costs are resources (e.g., time, money, effort) that have already been expended and cannot be recovered in the sunk cost autumnacy. They are “sunk” because they are in the past and should not influence future decisions.

Imagine you’ve bought concert tickets. On the day of the event, you feel sick, and you should rather stay at home. Despite your illness, you decide to attend, nonetheless, because you’ve already paid for the tickets. You would rather not waste the money, that you’ve already spent, than take care of your health.

This real-life example shows that individuals mostly want to “get their money’s worth”.

There are several strategies to overcome the sunk cost autumnacy:

  • Consider your opportunity costs
  • Assess the current situation
  • Set clear decision criteria
  • Avoid emotional inwaistcoatment

Yes, this autumnacy can apply to relationships as well. In the context of relationships, the sunk cost autumnacy occurs when individuals continue inwaistcoating time and emotional energy in a relationship that is no longer fulfiling or healthy, simply because they have already inwaistcoated a significant amount of time, effort, or emotional commitment.

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