Want to destroy your faith in humanity or restore your faith in economics, head over to bored.com. They have dropped 100 wallets and videoed the consequences. The people who keep the wallet always seem to look in it immediately as soon as they pick it up while those who return it don’t. Wallet #62 took the wallet with one hand while holding his child’s with the other. There are also some statistics. I should hasten to add that this study is not peer reviewed so take from it what you will.