There is a significant literature in economics and psychology on moral behaviour exploring the contexts in which people act in ways that are consistent or inconsistent with their earlier actions, where consistency involves behaviour that is in line with a previous action (e.g. foot-in-the-door...

This study uses an incentive-compatible experimental online supermarket to assess whether prior environmentally-friendly behaviour outside the store, and whether carbon taxes motivate sustainable consumption. Previous research suggests that past decisions may influence current decisions, for...