Excluding externality from agglomeration,the“∩”curve has been used to depict relationship between agglomeration and pollution.This article includes relationship between pollution and externality from agglomeration of agricultural producer service.Using newly spatial eco...MORE Excluding externality from agglomeration,the“∩”curve has been used to depict relationship between agglomeration and pollution.This article includes relationship between pollution and externality from agglomeration of agricultural producer service.Using newly spatial...