One might say that this is due to economic self-interest.

Americans have shown they want this country to stand for more than short-term political and economic self-interest.

This is a land ethic based wholly upon economic self-interest.

Utility is often narrowly defined in terms of people's economic self-interest.

Welfare recipients are no different from anyone else: they act in their own economic self-interest.

We are living in a curious time, when even economic self-interest provides no motivation, don't you think?

But there's much more at stake here than our economic self-interest.

At worst, he is trying to protect his own economic self-interests.

For Williams, the economic self-interests of the strong usually determine history.

But the new union drive has as much to do with economic self-interest as social justice.