Abstract: According to advocates, eco-certification is a win–win solution to the problem of environmental degradation caused by developing country agriculture, improving both the environmental and the economic performance of farmers. However, these notional benefits can be undercut by the tendency of relatively wealthy farmers already meeting eco-certification standards to disproportionately participate.

Abstract: We compare of  the  performance  of  emission  taxes  between  Colombia  and  Sweden in an experimental  setting  where  subjects are regulated  through  environmental  taxes  and  had  to decide on emission levels, compliance behavior, and adoption of an environmentally friendly technology.  Our  design  allows  us  to  analyze  the  role of variations  in  the  stringency  of  the policy  enforcement&nbsp