Certainly, Mr Romney is fond of calling the Chinese "cheaters" who abuse the rules of free trade, notably when addressing blue-collar voters.
At first, she writes, she "was on the lookout for cheaters and deadbeats".
"It showed that by collaborating with the drug companies we could bring the days of playing catch-up with the cheaters to an end," says Dr Rabin.Even this, though, is not the end of the story.
They have grown more likely to frown at cheaters over the years in contrast to their attitudes to gay sex, which have softened enormously.
Two-fifths of participants cheated and afterwards, the cheaters reported feeling significantly more cheerful than did their honest counterparts.
But some cheaters have beaten the system by using multiple identities, laughs Mr Park.
Now that the OECD's governments are promising to punish cheaters, more companies may choose honesty.Virtue is also efficientNot long ago, the World Bank and the IMF would have said that fighting corruption was somebody else's business.
Elections will go ahead, he insists, and cheaters beware.
The law may no longer punish cheaters, but their spouses will if they find out.
This did not dampen the cheaters' spirits any.
Some of the species drawn into mutualistic interactions become co-mutualists, contributing as well as benefiting from the relationship, whereas others become cheaters that only exploit the relationship.
