but more important than these problems from within the economic approach is the criticism that denies that environmental problems are economic concerns at all. This criticism would reject leaving business's environmental responsibilities to the workings of a competitive market because environmental issues are not economic issues at all. In a series of articles culminating in the book The Economy of the Earth,Mark Sagoff develop an insightful and convincing case against the use of economic analysis as the dominant tool of environmental policy markers. Sagoff's analysis is worth reviewing here.