It is widely believed that increasing the equality of material possessions or income in a social group should lead people at the bottom of the distribution to consume less and save more. However, this prediction and its causal mechanism have never been studied experimentally. Five studies show...

Understanding consumer response to product supersizing and downsizing is an important issue for policy makers, consumer researchers and marketers. In three laboratory experiments the authors found that changes in size appear smaller when products change in all three dimensions (height, width,...