Interest factors and instrumentalism (stressed by public choice and Marxist perspectives on self-interested behavior).

This urge could be observed throughout nature and in all human cultures, explaining much behavior both self-interested and altruistic.

It shows how a market produces a social good as an unintended byproduct of self-interested behavior.

Now, you can say that all of this is self-interested behavior, but from a social standpoint it doesn't make much difference.

Anti-consumerists identify rising trends of conspicuous consumption and self-interested, image-conscious behavior in culture.

So there you have it: narrowly self-interested behaviour is ultimately self-defeating.

As many social commentarists have noted, such purely self-interested behavior leads to ruin for all.

In this view, communication is self-interested behavior, shaped by natural selection.

We must no longer allow citizens' lives to be endangered by irresponsible, self-interested or reprehensible behaviour.

Rather than reject mainstream theory, behaviorists embrace its emphasis on rational, self-interested behavior.