Abstract Ethics

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This article is part of the Basic Course on Libertarianism and the Austrian School of Economics-> Module 1: Required foundational topics

Last updated: 2026-07-24

The “ethics of abstract rules” (or “rules of just conduct”) is one of Hayek’s central concepts for understanding why Tribalism is incompatible with a complex and prosperous society.

1. The fundamental distinction: concrete rules vs. abstract rules

Hayek distinguishes two types of moral and legal rules that correspond to two types of social orders:

Aspect	Tribal ethics / concrete rules	Ethics of abstract rules (rules of just conduct)
Type of rule	Concrete, personal, directed at specific ends	Abstract, general, impersonal
To whom they apply	To known people (“our people”)	To everyone equally, no matter who they are
What they prescribe	Positive actions or results (“help your companion”, “share with the group”)	Negative prohibitions (“do not steal”, “do not harm”, “keep contracts”)
Objective	Achieve concrete ends of the group	Allow each person to pursue their own ends
Type of society	Small tribal society (face to face)	Extended order (millions of people) / Great Society (market)

Concrete (tribal) rules:

They are proper to small groups. They are based on personal loyalty, immediate reciprocity, and solidarity with “our people.”
Examples: “defend your brother,” “do not betray the clan,” “the loot is shared among the warriors.”
These rules tend to be positive (they order you to do something) and particularistic (they depend on who the person is).

Abstract rules (of just conduct):

They are what allow millions of people who do not know each other to cooperate peacefully.
They are negative (they prohibit harm), general (they apply to everyone equally), and impersonal (they do not distinguish between “friend” and “stranger”).
Classic examples: the right of property, the prohibition of violence and fraud, the obligation to keep contracts. No one has to “like” the other; they only have to respect the same rules.

2. Why tribalism clashes with abstract rules

Tribalism, by its nature, demands applying the morality of the small group to the whole of society. When this happens:

General rules are replaced by privileges or duties according to group membership (“those of my tribe deserve more,” “outsiders count less”).
One moves from an ethics of prohibitions (do not harm) to an ethics of results (“we must achieve such-and-such distribution,” “we must benefit such-and-such group”).
The impersonality needed for the market to function is destroyed: prices, contracts, and the division of labor require that the rules be the same for everyone, regardless of race, class, ideology, or “tribe.”

According to Hayek, tribal morality is atavistic (remnants of our evolution), because it evolved for small groups. When one tries to impose it on a society of millions, it generates constant coercion and destroys society’s progress and prosperity.

3. The function of abstract rules in market society

The abstract rules of just conduct do not pursue any concrete collective end. Their purpose is to create a framework within which each individual can pursue their own ends without violently interfering with others. This has deep consequences:

It allows the division of knowledge (Hayek, 1945): each person uses their local knowledge without anyone needing to centralize everything.
It makes economic calculation possible (Mises): prices arise from voluntary exchanges under stable rules of property and contract.
It generates spontaneous order: society organizes itself without anyone designing it, because general rules leave room for experimentation and adaptation.

If instead we apply tribal logic (“we must help our own,” “we must redistribute according to membership”), we need an authority that defines who “our own” are, what they deserve, and how things are shared. That inevitably leads to central planning, privileges, and permanent conflict among tribes.

4. A biological-evolutionary point

Our moral psychology evolved mainly in small tribal environments. That is why concrete moralism (“let’s help those on our side,” “let’s punish outsiders”) feels intuitively attractive to us.
Abstract rules, by contrast, are a late cultural product that requires intellectual discipline and restraint of those instincts.
Civilization, in this sense, is the continuous effort to maintain general rules against the permanent temptation to return to tribal morality.

Clear summary

The ethics of abstract rules is the moral and legal basis of the liberal market order. It is what allows the passage from a tribal society (where morality depends on “who is who”) to an open society (where morality consists in respecting the same general prohibitions for everyone).
Tribalism, by demanding concrete loyalties and group results, is incompatible with that type of rules and, therefore, with the complex and prosperous society that abstract rules make possible.

This article is part of the Basic Course on Libertarianism and the Austrian School of Economics-> Module 1: Required foundational topics

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Last updated: 2026-07-24

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