A donation may have ambiguous costs or ambiguous benefits. In a laboratory experiment, we show that individuals use this ambiguity strategically as a moral wiggle room to behave less generously without feeling guilty. Such excuse-driven behavior is more pronounced when the costs of a donation -...

A donation may have ambiguous costs or ambiguous benefits. In a laboratory experiment, we show that individuals use this ambiguity strategically as a moral wiggle room to behave less generously without feeling guilty. Such excuse-driven behavior is more pronounced when the costs of a donation...

A donation may have ambiguous costs or ambiguous benefits. Behavior in a laboratory experiment suggests that individuals use this ambiguity strategically as a moral wiggle room to act less generously without feeling guilty. Such excuse-driven behavior is more pronounced when the costs of a...