By Dewa Gumay
PROGRESS of environmental issues on this decade, happening progress very fast, beginning from environmental degradation, conservation, and the new issue is scheme of Payment of Environmental Services (PES).
Actually, basis for PES theory was arise fifty years a go from a Britain economist at the Chicago University, Ronald Harry Coase in its article The Problem of Social Cost on 1960. On its article, Coase accept Economic Nobel on 1991. According to Coase, “in as much as environment loss gets monetary character therefore attained optimal solution will same, despite on whom property rights is given”.
