Recycling programs are widely used to address global environmental challenges, with the active participation of end users being crucial for the successful return of products at the end of use. However, individuals have different motivations for recycling and face various obstacles in doing so....

Measurement of inequity in health care delivery has focused on the extent to which health care utilization is or is not distributed according to need, irrespective of income. Studies using cross-sectional data have proposed various ways of measuring and standardizing for need, but inevitably...