One more reason not to drive into midtown Manhattan: Soon it will cost an extra $15 as New York City launches its long-debated congestion pricing system.

Returns cost companies billions of dollars in lost sales. They also generate emissions and packaging waste. Two logistics experts offer some tips from psychology for more sustainable returns.

Evidence from Massachusetts suggests that a multistep process discourages enrollment. The findings could help policymakers stave off a sharp decline in coverage when COVID-19 policies change.

Cognitive neuroscientists use brain imaging and behavioral economic games to investigate people's sense of fairness. They find it's common to take care of yourself before looking out for others.

Unfairness alone is upsetting enough to drive people to punish lucky recipients of unfair outcomes.

Policies meant to improve public health – like mandatory face masks during the coronavirus pandemic – need to take into account how people might adjust other behaviors in response.