When analyzing the economic value of using ddt in the environment, the major criticism that environmentalists routinely cite is that costs have not been fully considered. read the scenario and answer the following question. the wide spread use of the pesticides ddt in the environment following world war ii had major environmental impacts on the ecosystem. human exposure to this pesticide continues today despite the ban of ddt use in the u. s. since in the early 1970s. however, ddt continues to be manufactured in the u. s. and exported to many countries world-wide. when analyzing the economic value of using ddt in the environment, the major criticism that environmentalists routinely cite is that costs have not been fully considered. external contingent valuation subsistence internal hedonic valuation