We propose a method to quantify other-regarding preferences in group decisions. Our method is based on revealed preference theory. It measures willingness-to- pay for others’ consumption and willingness-to-pay for equality in consumption by evaluating consumption externalities in monetary...

The wine industry has faced various environmental and social challenges. On the demand side, consumer demand for sustainable wines has been increasing but, to date, it is unknown whether consumers perceive wine companies' efforts to obtain sustainable development (SD) certifications and labels...