“…To internalize these externalities losers can pay the gainers not to undertake actions with undesirable side effects, or gainers can compensate the losers so that an activity can go ahead without making the losers worse-off. Ecological compensation Cuperus et al, 1999;Brown et al, 2013 Ecology compensation Wang and Ma, 2002;Mao and Wang, 2008 Payments for environmental services Wunder, 2005;Muradian and Rival, 2013 Environmental compensation Cowell, 1997;Rundcrantz and Skärbäck , 2003 Compensation for ecosystem services Zheng and Zhang, 2006 Environmental services payments Bienabe and Hearne, 2006;Kalacska et al, 2008 As to the problem of what eco-compensation intrinsically is, academics have also not given uniform answers (Cuperus et al, 1996;Babcock et al, 1997;Cuperus et al, 2001;Sara et al, 2002;Jenkins et al, 2004;Pagiola and Platais, 2007;Engel et al, 2008). To sum up, there are following viewpoints.…”