It is estimated that a trillion dollars are annually exchanged in bribes, distorting justice and economic efficiency. In a novel experiment, we investigate the drivers of bribery. Two participants compete for a prize; a referee picks the winner. Participants can bribe the referee. When the...

Expert advice is often biased in ways that benefit the advisor. We demonstrate how selfdeception helps advisors be biased while preserving their self-image as ethical and identify limits to advisors' ability to self-deceive. In experiments where advisors recommend one of two investments to a...