prisoner's dilemma

Evolutionary psychologists ponder altruism. They wonder why anybody behaves in a manner that appears less than self-interested. They speculate that charity is a charade; it is not benevolent but serves another purpose.
Rather than simply cheating -- trying to gain from another's cooperative behaviour without behaving cooperatively yourself -- lying adds another way of operating. By misleading the other individual, one can trick that individual into cooperating.
If you are trying to create an environment in which people are going to cooperate, you are probably better off fostering an environment of team unity and trust than you are focusing on the gender balance of the group.
Competition is lonely. Within organisations it may or may not increase productivity, but it does not increase happiness. To extol it is to make a fundamental misjudgment about human nature.
The stimulus' oft-cited $787 billion figure includes nearly $300 billion in tax cuts, meaning that it represents a split between conservative and interventionist economic philosophy.
No social program -- Medicare, social security, rent control, public universities -- that aims to help the poor can ever succeed without appealing to, and paying off, a broad middle class.