“…A large body of research regarding consumers' willingness to pay (WTP) for environmental friendliness and/or quality/safety in food production (Ballestrazzi et al, 2011;Husted, Russo, Meza, & Tilleman, 2014;Nassivera & Sillani, 2015;Rosa & Nassivera, 2013), as well as for non-food products (Laroche, Bergeron, & Barbaro-Forleo, 2001;Sexton & Sexton, 2014;Vlosky, Ozanna, & Fontenot, 1999) or services (Johnston, Schultz, Segerson, Besedin, & Ramachandran, 2013;Tse, 2001) can be found. Price premiums, the excess prices paid over and above the "fair" price that is justified by the "true" value of the product, may be indicators of consumers' demand for that product (Tse, 2001).…”