Oh, Inha; Lee, Jeong-Dong; Hwang, Seogwon; Heshmati, Almas - Ratioinstitutet - 2006
A product is called technically inefficient when it has higher price and/or lower quality than others. Technical inefficiency of product has been conceptualized since Lancaster (1966), and empirically measured by many researchers, for example, Fernandez-Castro and Smith (2002) and Lee et al....