Moon, Wanki; Balasubramanian, Siva K.; Rimal, Arbindra - 2006
-to-pay (WTP) a premium for non-GM foods in order to assess their valuation of the non-GM characteristic in food products. Mean WTA … exceeds mean WTP, a finding that suggests the valuation of the non-GM characteristic reflects an endowment effect, imperfect … significantly increase (decrease) WTA and WTP estimates. Additional regression models using the difference between WTA and WTP as …