All settlements, especially the smaller ones, could be located in economically rational positions.

"Look, pride is not going to keep us from doing what's economically rational," he says.

The case seems to be that what is economically rational is politically unacceptable.

He finds that they don't behave like the economically rational person that economic theory assumes.

While economically rational, recent evidence suggests that this people and animals do not discount exponentially.

Capitalism vs. socialism: Most pro-choicers make an economically rational argument.

Had people acted in an economically rational way, the gains in free trade made a century ago might not have been lost.

And without a market to discipline the process, regulators are unlikely to make economically rational decisions.

For many, large families were economically rational.

Banks dismisses the argument that fertility control results from economically rational behaviour.