Defining Fairness
Psychological Concepts
Defining Fairness
What constitutes fairness, and how can it be objectively determined? The short answer is that it cannot. Fairness is not a single, fixed principle—it is a constellation of competing values, each of which produces different outcomes depending on the lens through which a situation is viewed.
The two most widely recognized definitions of fairness are equality and equity:
Equality fairness involves treating every individual identically, regardless of circumstance.
Equity fairness accounts for individual needs and contexts when determining what constitutes a fair outcome.
Consider a group of ten people tasked with dividing $100. Under an equality framework, each person receives $10. Under an equity framework, the distribution might account for the fact that five members occupy a low-income bracket while the other five occupy a high-income bracket. An equitable distribution might allocate $15 to each low-income member and $5 to each high-income member—same total, radically different logic.
Neither framework is inherently correct. Each reflects a different set of values about what matters most: identical treatment or contextual responsiveness. The tension between these two definitions alone reveals the depth of complexity embedded in the concept of fairness.
Why This Matters
Beyond equality and equity, merit-based fairness introduces another dimension: the principle that effort and contribution should determine outcomes.
Effort-Based Fairness
Under this framework, those who exert greater effort deserve greater reward. Returning to the ten-person group dividing $100—if, prior to receiving the money, all ten volunteered at a food kitchen, but two spent most of their time on their phones or taking frequent breaks, effort-based fairness would reduce their share. The group might allocate $12 to each of the eight who worked diligently and $2 to each of the two who did not.
This model appeals to an intuitive sense of justice: reward should correspond to contribution. However, it raises its own questions—who determines effort? What about individuals whose capacity for effort is constrained by disability, illness, or circumstance?
Contribution-Based Fairness
Contribution-based fairness rewards those who risked or invested more. If the same group of ten entered a raffle for the $100, and each ticket cost $1, the distribution of investment might vary: two people purchased $10 worth of tickets, six purchased $5 worth, and two purchased only $1 worth. Under contribution-based fairness, those who risked the most receive the greatest share of the reward.
This principle underlies much of capitalist economic theory—investors who risk capital expect proportional returns. Yet it also raises the question of whether risk-taking itself is equally accessible to all, or whether it is a privilege shaped by existing advantage.
The Greatest Good
Utilitarian fairness seeks the outcome that produces the greatest good for the greatest number. But this principle immediately fractures under scrutiny: the greatest good for whom? For wealthy populations or impoverished ones? For the present generation or future generations? For historically privileged groups or historically disenfranchised ones?
Where the boundaries of "the greatest good" are drawn—geographically, temporally, demographically—determines everything about what the principle actually demands. The questions proliferate rapidly for anyone willing to think carefully about them.
Scope of Fairness
Considerations of fairness extend far beyond what most people intuitively contemplate. Should fairness be evaluated at the level of the individual? The family? The community? The nation? The world?
Is it fair that fifteen countries control the majority of the world's GDP while billions of people live on less than two dollars a day? Is it fair that the geographic accident of birth determines access to education, healthcare, and opportunity? Taking the full scope of these factors into account reveals the staggering difficulty of arriving at any universal definition of what is fair—and the importance of remaining humble in the face of that complexity.
The Veil of Ignorance
Imagine designing the rules of a society without knowing what position within it would be occupied. No knowledge of age, race, wealth, health, or ability. Would the same rules that currently govern the world be chosen—or would entirely different principles emerge?
John Rawls' Philosophy of Fairness
John Rawls remains one of the most influential philosophers on the subject of justice and fairness. His work introduced two foundational thought experiments that continue to shape political philosophy, ethics, and social policy. The first is the concept of the "original position"—a hypothetical scenario in which a group of people collectively determines the rules of their society, starting from scratch, with no inherited systems or assumptions. The second is the "veil of ignorance"—a condition within the original position in which no participant knows anything about their own personal characteristics: their race, gender, wealth, intelligence, health, or social status. The logic is straightforward: if no one knows what position they might occupy in the resulting society, self-interest naturally aligns with justice. People would advocate for fair treatment of all positions because any of those positions could be their own.
Rawls' Core Principles
- 1The Principle of Equal Liberty: All people should possess equal basic rights and liberties—freedom of speech, conscience, and political participation—that cannot be overridden by appeals to collective welfare.
- 2Fair Equality of Opportunity: Social and economic positions should be open to all under conditions of genuine equal opportunity. This means not merely the absence of legal barriers, but the presence of substantive conditions—access to education, healthcare, and resources—that make opportunity real rather than theoretical.
- 3The Difference Principle: Social and economic inequalities are permissible only insofar as they benefit the least advantaged members of society. Under this principle, the standard of living of those at the bottom is not an afterthought—it is the primary metric by which the justice of a system is evaluated.
Application
Rawls' thought experiment, when engaged with sincerely, has the capacity to illuminate inequalities and inequities that might otherwise remain invisible to those who benefit from them. Each person ultimately determines their own working definition of fairness—but that definition is far more likely to be just when it has been tested against the full complexity of what fairness demands.