For example, many people suffer from what psychologists call a "present-bias," where a person will choose an inferior option over a superior option because it brings more immediate gratification.

Presentation of concepts in an understandable fashion

The very aim of the book is to apply economic theory to real-life problems, problems which economists do not typically deal with. Levitt is successful in doing so without using a lot of economic jargon.

Antidotes or examples to illustrate points

Levitt uses a quite controversial example proposing a link between increased abortions and a resulting reduction in crime rates. He posited that increased abortion resulted in less unwanted children to unprepared mothers, who were often younger, poorer, and residents of poorer neighborhoods. Levitt suggests that such unwanted children were more likely to be criminals than the average child. Thus, the reduction in such children, through abortion, led to a decline in the general...
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