““In other words, development resources passed through a corrupt system not only reinforced that system by helping to fund it but also inflamed the feelings of injustice that were driving people toward the insurgency. Laboratory experiments over the past several decades have demonstrated humans’ apparently irrational revolt against such unjust bargains. The experiments, known as “ultimatum games,” allocate a sum of money to one player, with instructions to divide it with another. If the recipient accepts the offer, the deal goes through. If she rejects it, both players get nothing. Economists had presumed that a recipient, acting rationally, would accept any amount greater than zero. In fact, in experiment after experiment—even with stakes as high as a month’s salary—roughly half of recipients rejected offers lower than 20 percent of the total sum.7 These””
