In the early stages of decision-making, it is possible to be overly optimistic about the prospects of a project or activity due to a lack of sufficient information. For example, investors invest in a company without fully understanding the company's financial condition. As more information is exposed, they find that things are not as expected, but the previous investment has become a sunk cost.

When consumers purchase goods, they may buy the product because of the exaggerated publicity of the merchant. When they find that the actual effect is not consistent, the purchase cost becomes a sunk cost.

People tend to overestimate their ability to complete a project or the market potential of their product. For example, when an entrepreneur starts a business, he thinks that his product will be very popular, so he invests a lot of money in production and promotion. However, the market response is lukewarm, and the initial investment becomes a sunk cost.

When individuals learn new skills, such as learning a musical instrument, they think that they can keep practicing and reach a high level, so they buy expensive instruments. However, later they are unable to continue learning due to various reasons, and the purchase cost of the instrument becomes a sunk cost.

In engineering projects, the originally purchased materials and equipment may not be used due to changes in the design plan, and the cost of these materials and equipment becomes sunk costs.

When a company's marketing strategy changes, previously produced promotional materials, advertisements, etc. may no longer be applicable, and the cost of producing these materials is sunk.

If a construction project encounters force majeure factors, such as earthquakes, floods, etc., causing the progress of the project to be hindered, part of the funds invested in the early stage will not produce the expected benefits and become a sunk cost.

In R&D projects, key technical problems cannot be overcome, causing the manpower, material and financial resources previously used for R&D to be wasted and become sunk costs.

Sunk costs are incurred at some point or period in the past. For example, for fitness equipment purchased last year, the purchase cost is a sunk cost incurred at a specific time in the past.

The funds invested by an enterprise in the upgrading and transformation of a certain production line in the past few years have a clear time attribute.

Once a cost is incurred, it cannot be changed through current decisions. For example, if you have spent time and money learning a programming language that is outdated, these past investments cannot be changed.

The high-priced tickets purchased for a concert in the past, even if you were unable to attend due to personal reasons, the money has been spent. This is an established fact.

When considering whether to proceed with a project, sunk costs that have already been incurred should not affect the assessment of future benefits and costs. For example, if a restaurant has invested a lot of money in renovation, but the business is not good after opening, when deciding whether to continue operating, the cost of renovation (sunk costs) should not interfere with the analysis of future operating costs and expected benefits.

When an individual buys a book that is difficult to read, he has already spent money (sunk cost). When considering whether to continue reading to gain knowledge, the money spent on buying the book should not affect the judgment of the time cost and expected gains required to continue reading.

Decisions should be based on expected future benefits and costs, rather than sunk costs that have already been incurred. For example, a company that has invested a lot of resources in a loss-making project, but if it continues to expect more losses, it should not persist because of the resources that have been invested (sunk costs), but should consider stopping the project to reduce future losses. loss.

Players have invested a lot of time and money in a game, but if the game experience is getting worse and worse and there is no hope of improvement in the future, they should not continue playing just because of their past investment.

The enterprise purchased a set of advanced production equipment, but due to the decline in market demand, the equipment was idle, and the funds used to purchase the equipment were sunk costs.

Individuals purchase real estate for investment, but due to the sluggish real estate market, the property is difficult to rent or sell, and the cost of purchasing the house becomes a sunk cost.

After an investor buys a stock and the stock price falls, he or she will lose money if he chooses to sell. This loss is the sunk cost.

Investment in entrepreneurial projects, if the project fails, the funds invested cannot be recovered and become a sunk cost.

Companies invest a lot of money in TV advertising, but product sales do not increase significantly, so advertising costs become sunk costs.

The promotion expenses invested by Internet companies on a certain channel did not bring the expected traffic and user conversions, and the expenses were sunk.

Students spend a lot of time preparing for a competition, but discover during the competition that there is little hope of winning. The time spent preparing before is a sunk cost.

Employees work long hours on a project with no future prospects, and those hours are sunk costs.

If you spend a lot of time practicing a complicated craft skill, but later find that there is no market demand or you have no interest in continuing, the time and energy spent learning it are sunk costs.

It took several months to review to obtain a certain certificate, but due to changes in exam rules, the previous review time became a sunk cost.

In a loss-making product line, the company is reluctant to invest in previous R&D and production and continues to maintain production, resulting in increasing losses.

When an individual is in an unhealthy relationship, he is unwilling to leave because he is reluctant to part with the feelings he has given before, and continues to be hurt.

When faced with losing stocks, investors always hesitate to sell and over-consider the purchase cost (sunk cost). As a result, they miss the best time to stop losses, resulting in greater losses.

When companies consider whether to withdraw from a highly competitive market, they are entangled in the market development expenses (sunk costs) that they have already invested, and are unable to make decisions, and ultimately miss better opportunities for transformation.

When deciding whether to proceed with a project, consider the future benefits and costs. For example, when an e-commerce company is considering whether to continue operating a product category with poor sales, it should analyze whether it can achieve profitability in the future by optimizing operations and reducing costs, rather than just looking at past investments.

When individuals consider whether to continue participating in a training course, they should look at how much the knowledge and skills they can acquire after completing the course will help their career development or personal growth, rather than focusing on the tuition fees (sunk costs) already paid.

For the production process of an enterprise, when the benefit (marginal benefit) brought by each additional unit of input is less than the cost (marginal cost) of this unit of input, the investment should not continue. For example, when a factory is producing products and finds that the profit increase brought by increasing production is less than the cost of increasing production, it should consider stopping increasing production, even if a large amount of production equipment has been invested (sunk costs).

In the learning process of an individual, when the performance improvement (marginal benefit) brought by each additional hour spent studying a certain subject is less than the time cost of this hour (for example, it can be used to rest or study other more valuable subjects), You should consider adjusting your learning strategy, rather than just considering the study time (sunk cost) already invested in this subject.

Enterprises need to conduct cost accounting for each project and sort out the costs that have been incurred and cannot be recovered, such as the cost of scrapped raw materials, irrecoverable accounts receivable, etc.

After individuals consume or invest, they should be clear about which expenses have become sunk costs, such as the cost of purchasing goods that cannot be returned or exchanged, the amount of investment that has been lost, etc.

Be aware that sunk costs may cause people to feel unwilling and unwilling to give up, thus affecting decision-making. For example, in investment, people may be unwilling to stop losses because they are afraid of admitting losses. This is the psychological interference of sunk costs.

Business managers need to understand that employees may be unwilling to give up because they have invested a lot of time on a project, even if the project has no prospects. This is the potential interference of sunk costs in decision-making.

When making decisions, deliberately exclude sunk costs. For example, when considering whether to close a loss-making store, you should put aside the sunk costs such as decoration costs and early rental deposits when opening the store, and only analyze future rent, operating costs and expected profits.

When individuals decide whether to replace the electronic products they are using, they must separate out the cost of purchasing the electronic products (sunk costs) and only consider factors such as the price of the new product, performance improvements, and the residual value of the old product.

Enterprises must make decisions based on actual market demand, competitive conditions and their own resource capabilities. For example, a catering company should decide whether to launch new dishes or expand stores based on current customer flow, surrounding competitors, and future market trends, rather than based on past sunk costs in menu development or store decoration.

When it comes to career choices, individuals should make decisions based on their own interests, abilities, and industry development prospects, rather than having to pursue a related career just because they have studied a certain major for many years (sunk costs).

Investors can set a loss ratio. When the loss of a stock or fund reaches this ratio, they can sell it decisively to avoid further losses.

Enterprises can set an overrun limit in the project budget. When the project cost exceeds this limit and the expected benefits cannot be covered, the project will be stopped.

Enterprises must have the courage to give up on projects that have suffered long-term losses and have no hope of improvement, and transfer resources to projects with greater potential.

Individuals should have the courage to leave a relationship that is harmful to them or of no value, and should not be hesitant because of past emotional investment (sunk costs).

Recognize that loss aversion is a common psychological phenomenon in which people tend to feel losses more strongly than equivalent gains. When facing sunk costs, treat losses rationally and accept the fact that it has happened.

Reduce the impact of loss aversion on decision-making by learning psychological knowledge and investment strategies. For example, use diversification methods in investments to reduce sensitivity to losses in a single asset.

After an enterprise experiences a failed project due to sunk costs, it is necessary to sum up the experience and analyze whether there was insufficient information collection in the early stage of decision-making or whether problems occurred during project execution, so as to avoid similar situations in future decisions.

When individuals face setbacks caused by sunk costs, such as after a failed relationship or investment failure, they must learn from it, adjust their mentality, and better face future decisions and life.