Friday, 03 December 2021 01:53 GMT

Jordan- The moral identity of homo economicus

(MENAFN- Jordan Times) Why do people vote if doing so is costly and highly unlikely to affect the outcome? Why do people go above and beyond the call of duty at their jobs?

Two recent books — 'Identity Economics' by Nobel laureate George Akerlof and Rachel Kranton, and 'The Moral Economy' by Sam Bowles — indicate that a quiet revolution is challenging the foundations of the dismal science, promising radical changes in how we view many aspects of organisations, public policy and even social life.

As with the rise of behavioural economics (which already includes six Nobel laureates among its leaders), this revolution emanates from psychology.

But while behavioural economics relies on cognitive psychology, this one is rooted in moral psychology.

As with most revolutions, this one is not happening because, as Thomas Huxley surmised, a beautiful old theory has been killed by ugly new facts. The ugly facts have been apparent for a while, but people cannot abandon one mental framework unless another one can take its place: in the end, beautiful old theories are killed only by newer, more powerful theories.

For a long time, economic theory aspired to the elegance of Euclidean geometry, where all true statements can be derived from five apparently incontrovertible axioms, such as the notion that there is only one line that connects two points in space.

In the 19th century, mathematicians explored the consequences of relaxing one of those axioms and discovered the geometries of curved spaces, where an infinite number of longitudinal lines can pass through the poles of a sphere.

The axioms underpinning traditional economics embody a view of human behaviour known as homo economicus: we choose among the available options that which we want or prefer the most. But what makes us want or prefer something?

Economics has long assumed that whatever informs our preferences is exogenous to the issue at hand: de gustibus non est disputandum, as George Stigler and Gary Becker argued.

But with a few reasonable assumptions, such as the idea that more is better than less, you can make many predictions about how people will behave.

The behavioural economics revolution questioned the idea that we are good at making these judgements. In the process, they subjected the assumptions underlying homo economicus to experimental tests and found them wanting.

But this led at most to the idea of nudging into better decisions, such as forcing them to opt out of rather than into better choices.

The new revolution may have been triggered by an uncomfortable finding of the old one.

Consider the so-called ultimatum game, in which a player is given a sum of money, say, $100.

He must offer a share of that money to a second player. If the latter accepts the offer, both get to keep the money. If not, they both get nothing.

Homo economicus would give $1 to the second player, who should accept the offer, because $1 is better than zero dollars. But people throughout the world tend to reject offers below $30. Why?

The new revolution assumes that when we make choices, we do not merely consider which of the available options we like the most. We are also asking ourselves what we ought to do.

In fact, according to moral psychology, our moral sentiments, on which Adam Smith wrote his other famous book, evolved to regulate behaviour.

We are the most cooperative species on earth because our feelings evolved to sustain cooperation, to put 'us' before 'me'.

These feelings include guilt, shame, outrage, empathy, sympathy, dread, disgust and a whole cocktail of other sentiments.

We reject offers in the ultimatum game because we feel they are unfair.

Akerlof and Kranton propose a simple addition to the conventional economic model of human behaviour. Besides the standard selfish elements that define our preferences, they argue that people see themselves as members of 'social categories' with which they identify.

Each of these social categories — for example, being a Christian, a father, a mason, a neighbour or a sportsman — has an associated norm or ideal. And, because people derive satisfaction from behaving in accordance with the ideal, they behave not just to acquire, but also to become.

Bowles shows that we have distinct frameworks for analysing situations. In particular, giving people monetary incentives may work in market-like situations.

But, as a now-famous study of Haifa daycare centres showed, imposing fines on people who picked up their kids late actually had the opposite effect: if a fine is like a price, people may find that it is a price worth paying.

But without the fine, coming late constitutes impolite, rude or disrespectful behaviour towards the caregivers, which self-respecting people would avoid, even without fines.

Unfortunately, this other-regarding view of behaviour has been de-emphasised both in the corporate and the public domain.

Instead, strategies have been derived from the view that all our behaviours are selfish, with the intellectual challenge being to design 'incentive-compatible' mechanisms or contracts, an effort that has also been recognised with Nobel Prizes.

But, as George Price showed long ago, Darwinian evolution may have made us altruistic, at least towards people we perceive as members of the group we call 'us'.

The new revolution in economics may find a place for strategies based on affecting ideals and identities, not just taxes and subsidies.

In the process, we may understand that we vote because that is what citizens ought to do, and we excel at our jobs because we strive for respect and self-realisation, not just a raise.

If successful, the new revolution may lead to strategies that make us more responsive to our better angels. Economics and our view of human behaviour need not be dismal. It may even become inspirational.

The writer, a former minister of planning of Venezuela and former chief economist of the Inter-American Development Bank, is director of the Centre for International Development at Harvard University and a professor of economics at the Harvard Kennedy School. ©Project Syndicate, 2017.


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