Article - Rabin

11 important questions on Article - Rabin

Describe behaviroural economics

This resulted in “behavioural economics”, an effort to incorporate more realistic notions of human nature into economics.  less-than-100% self-control shows that people under-save and over-borrow.

Describe rational economics

People care about the future, therefore they save and are more likely to save the longer their planned retirement.

What are economic assumptions on human nature

People are Bayesian information processions
People have well-defined and stable preferences
People maximize their expected utility
People exponentially discount future well-being
People are self-interested
People have preferences over final outcomes, not changes
People have only instrumental/functional taste for beliefs and information
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Describe reference based utility

they care a lot about changes (in wealth, consumption, ownership), not solely about absolute levels.

Describe non-expected utilty

preferences are not linear. People care differently about “uncertainty” and “risk”

Describe social preferences

people are not 100% self-interested, but care about the well-being of others

There are bayesian reasoning/beliefs. People from distorted beliefs. Judgement under uncertainty identifies heuristics and biases in forming probabilistic beliefs. From this three other types of departures from the basic assumption can be made

Humans care about changes, not just absolute levels. Our sense of well-being from our total consumption is not just a function of its level, but also on how that level compares to what we were used to.

Economic actions are not self-interested, people are altruistic. This can be general or targeted. The more a sacrifice helps somebody, the more likely you are to be willing to make this sacrifice.

People like to experience pleasant things soon and to delay unpleasant things until later.

Describe loss aversion

sensation of loss is very large relative to gains. This is seen as in the evaluation of losses and gains in money, where losses trigger more emotions.

Describe the endownment effect

fact that people who have randomly been given an object will instantly value it higher than those who have not been endowed with the object.

Describe time inconsistency

We are more averse to delaying today’s gratification until tomorrow than we are averse to delaying the same thing from 90 days to 91 days from now

People exaggerate how long sensations of gains and losses will last. We tend to overreact to changes because we isolate particular experiences and decisions from each other.

People exaggerate how long sensations of gains and losses will last. We tend to overreact to changes because we isolate particular experiences and decisions from each other.

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