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You are reading the 2026 curriculum (exams up to November 2026). Sitting in February 2027 or later? Go to the 2027 Ethical and Professional Standards guide.

Challenges to ethical behavior, and ethical vs legal standards

Most people overrate their own ethics (overconfidence) and underrate how much their surroundings sway them (situational influences such as money, prestige and loyalty), which pulls attention to short-term gains. The law is not a sufficient guide: some legal conduct is unethical, some ethical conduct is illegal, and laws lag behind practice.

6 min cram, 24 min full read. Based on the 2026 CFA® Program Level I curriculum, Ethical and Professional Standards, Learning Module 1. This is the 2026 version of the lesson. Sitting in February 2027 or later? Read the updated 2027 version.

Tailor this to you: take the self-assessment

Before this: How professions build trust, and professionalism in investment management

On the exam

  • Identify challenges to ethical behavior compare and contrast ethical standards with legal standards

Identify challenges to ethical behavior and compare and contrast ethical and legal standards. Expect "which influence is most powerful?" or "legal and ethical are always the same" items, plus a vignette where loyalty keeps someone silent.

How deeply to learn each part
Know the idea
Understand it in general. It frames other topics, but you will not calculate with it.
Use it
Understand it well enough to solve a question with it. Recognize when it applies.
Memorize
Learn it by heart. The exam will not give it to you.

You know this one. The full lesson is folded away. The takeaways, formulas and checkpoint below are your quick refresher, and the checkpoint is a fair test of whether you still do.

You tested strong here. The full lesson is folded away. The takeaways, formulas and checkpoint below are your quick refresher, and the checkpoint is a fair test of whether you still know it.

Cram mode: the one-screen version of this lesson. Switch to Full for the explanations, worked examples and interactives.

Why do people behave unethically?

Studying ethics matters because careers throw up unfamiliar situations where the right action is unclear or several choices look acceptable. Two challenges make good conduct harder than it sounds, and both are easy to underrate.

Challenges to ethical behavior
Challenges to ethical conducttogether they push focus to the short term
  • Overconfidence bias Memorize we think we are more ethical than average
  • Situational influences Memorize external factors we underestimate
    • Money salary, bonus, investment gains
    • Prestige promotion, status, being seen as successful
    • Loyalty to a supervisor, employer or colleagues; often the strongest
    • Others around us Know the idea the bystander effect and peer conformity

Overconfidence

Most people believe their ethical standards are higher than average, which cannot be true for everyone. This overconfidence bias makes us overestimate the morality of our own behavior, especially in situations we have not faced before. We lean on “I am an honest person” and skip the careful checking a decision deserves, even though character alone is not what mainly decides how people act under pressure.

Situational influences

Situational influences are external factors, such as environment and culture, that shape thinking and behavior. Research on social behavior shows that good people with honorable motives can be pushed into unethical choices when the situation is difficult, and that they usually do not notice it happening.

Memorize

  • Money. Large salaries, bonuses and investment gains can lead honest people to act in ways others would call unethical. Even mentioning money can reduce cooperation.
  • Prestige. Promotion, status and being seen as successful by peers and family.
  • Loyalty. To a supervisor, the employer or colleagues. It is extremely powerful, because it tempts people to make compromises they would reject, or judge harshly in someone else, in a different setting.
  • Other people. The bystander effect shows that we are less likely to step in when others are present and say nothing. Situations can also push toward good behavior: people act more ethically when they think someone is watching.

All of these are immediate and obvious, while the long-term considerations (your integrity, the integrity of the market, your reputation) feel distant. That is the short-term focus problem: pressure narrows attention to the near term, so long-term costs to clients, the firm and yourself get ignored or minimized, and ethical lapses become more likely.

Picture a team told that the quarter’s numbers “must” hit target. An associate notices a valuation that flatters the results but stays quiet, because the manager is respected and everyone else seems comfortable. Loyalty and the bystander effect have both done their work.

A firm can also fall into a trap. Strong compliance rules are a good start, but a culture that is only about rules can become another situational influence. People tick boxes and ask “What can I do?” when the better question is “What should I do?”.

Legal standards are the rules of conduct set by a legislature or regulator for those within its jurisdiction. Ethical standards are what communities, such as a profession, consider right conduct, and they usually ask for more than the law. Often the two coincide: disclosure rules, for example, require the truth, and following them is ethical.

They do not always coincide.

Legal and ethical do not always match
Types of conduct
  • Legal and ethical Memorize most conduct
  • Legal but unethical Memorize trading on confidential information where no law forbids it
  • Ethical but illegal Memorize some whistleblowing; civil disobedience
  • Illegal and unethical fraud, theft
EthicalUnethical
LegalDisclosing all fees clearlyIn a market with no insider-trading law, trading on a confidential tip
IllegalA whistleblower breaching a confidentiality rule to expose fraud (in some jurisdictions)Fraud, theft

Whistleblowing is the disclosure of dishonest, corrupt or illegal activity by an organization. Depending on the place and facts, the whistleblower may break company policy or even a local law, so the act can be illegal yet considered ethical by many.

Why are laws not enough?

  • They usually follow market practice, so harmful conduct continues during the long wait for a response.
  • New laws can be vague, conflicting or too narrow, and may remove one problem while creating an opening for a different, similar one.
  • They vary across countries, so questionable practices can move to where rules are lighter.
  • They are interpreted by market participants, who may read them in the most convenient way or delay compliance.

So ethics needs judgment: thinking through the facts and weighing the interests of every stakeholder, with or without a clear rule. (Standard I(A) in the Code and Standards tells you what to do when law and the Code differ: follow the stricter.)

Loading the interactive

Exam tip Whenever an option says the law is “the highest standard” or “always the same as ethics”, it is wrong.

Go deeper How mentioning money changes behavior

In one well-known experiment, people played the same cooperation game under two names. When it was called the “Wall Street Game” they cooperated less than when it was called the “Community Game”. Nothing about the payoffs changed. The label alone moved behavior, which shows how a subtle cue can nudge decisions without anyone feeling pressured. The lesson for investment work is not that money corrupts, but that cues of money and competition act on all of us, so build habits that make you stop and look.

Go deeper Why loyalty cuts both ways

Loyalty is a virtue. It builds teams, and colleagues can pull each other toward good conduct, for instance by encouraging each other to take on the discipline of a professional qualification. The same loyalty becomes dangerous when it asks you to stay silent about a problem, to stretch a number or to cover for a friend. A useful test is to ask whether you would judge the same act harshly if a stranger did it. If so, loyalty is doing the thinking for you.

Memorize this

MemorizeThe two challenges to ethical behavior

ChallengeWhat goes wrongTypical examples
Overconfidence biasWe think we are more ethical than average, so we skip the checks"I am honest, so I would never do that"
Situational influencesExternal pressure shapes decisions, and we underestimate itMoney, prestige, loyalty; what others around us do

Memory hook Overconfidence is the blind spot inside you. Situational influences are the push around you. Both shift focus from long-term to short-term.

Know it cold Situational influences, not character alone, often decide behavior. Loyalty to a supervisor or colleagues can be even more powerful than money.

MemorizeLegal vs ethical

EthicalUnethical
LegalDisclosing all fees clearlyTrading on a confidential tip where no law forbids it
IllegalWhistleblowing that breaches a confidentiality rule (some places)Fraud, theft

Memory hook Legal is the floor, not the ceiling.

Know it cold Laws are an insufficient guide because they follow practice (lag), can be vague, vary across places, and get interpreted in the most convenient way.

Challenges to ethical behavior
Challenges to ethical conducttogether they push focus to the short term
  • Overconfidence bias Memorize we think we are more ethical than average
  • Situational influences Memorize external factors we underestimate
    • Money salary, bonus, investment gains
    • Prestige promotion, status, being seen as successful
    • Loyalty to a supervisor, employer or colleagues; often the strongest
    • Others around us Know the idea the bystander effect and peer conformity
Legal and ethical do not always match
Types of conduct
  • Legal and ethical Memorize most conduct
  • Legal but unethical Memorize trading on confidential information where no law forbids it
  • Ethical but illegal Memorize some whistleblowing; civil disobedience
  • Illegal and unethical fraud, theft

How it is asked

  1. Legal = ethical?

    Which statement about legal and ethical standards is most accurate?

    Some conduct can be legal but unethical (or ethical but illegal). Traps: "legal is always ethical", "legal is the highest standard".

  2. Name the influence

    An analyst stays silent about a close friend's misleading report. The influence at work is…

    Loyalty, a situational influence. Not overconfidence, not a legal duty.

  3. Effect of pressure

    Situational influences most likely lead people to…

    Give too much weight to short-term rewards and too little to long-term consequences.

  4. Do more laws fix it?

    Why do new regulations not stop all unethical conduct?

    They come late, can be vague or narrow, differ by country and can open a different loophole.

Exam traps

  • "Legal standards are the highest standard." Ethical standards usually ask for more than the law.
  • "Legal conduct is always ethical." Some legal conduct is unethical.
  • Thinking situational influences only affect "bad" people. Good people are swayed too.
  • Assuming money is always the strongest pressure. Loyalty is often stronger.
  • Believing more regulation is enough. New laws lag, vary and can create new loopholes.

Checkpoint

4 exam-style questions. About 90 seconds each.

  1. 1Which statement about legal and ethical standards is most accurate?

  2. 2An analyst stays silent about a colleague's misleading report because the colleague is a close friend and the team is close-knit. The influence at work is best described as:

  3. 3Situational influences are most likely to lead people to:

  4. 4A firm builds a strong compliance program. The main risk, if the firm relies on it alone, is that employees:

Key takeaways

  • Overconfidence and situational influences (money, prestige, loyalty) are the main challenges to ethical behavior.
  • Pressure shifts attention to short-term rewards and away from long-term consequences.
  • Legal does not equal ethical: laws are a floor, vary by place and lag behind practice.
  • Ask "What should I do?", not only "What can I do?".

Questions about this lesson?

Where this comes back

Questions candidates ask

What are situational influences in ethics?

External factors, such as money, prestige, loyalty and what the people around you are doing, that shape your thinking and decisions. People usually underestimate them, and they pull attention toward short-term rewards, so even good people can drift into unethical choices.

Is legal behavior always ethical?

No. Laws set a minimum, differ between countries and lag behind practice. Trading on a confidential tip may be legal where no law forbids it yet still unethical, and some whistleblowing is ethical although it breaches a confidentiality rule.

Why do investment professionals make unethical decisions?

Usually not from bad character alone. Overconfidence leads them to skip checks, and pressures such as bonuses, prestige and loyalty to colleagues shift their focus to the short term. A framework and outside advice help counter both.

Spotted an error? Tell us and we will fix it.

  1. What ethics is, and why professions have a code of ethics
  2. How professions build trust, and professionalism in investment management
  3. Challenges to ethical behavior, and ethical vs legal standards
  4. A framework for ethical decision making

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