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This is the first book length defence of a counterfactual theory of causation. The analysis defended is new. It expresses the idea that, independent of its competitors, a cause raises the chance of an effect over its mean background chance by a complete causal chain. The analysis depends upon a novel development of David Lewis's Theory of Counterfactuals. One consequence of the analysis is that causation is not transitive. Causation is also nonsymmetric. The counterfactual basis of causal nonsymmetry is the result of a number of different, and sometimes interacting, nonsymmetries. The...

East Coast fever is a lethal disease of cattle caused by a parasite. It affects and distorts lymph cells and causes them to behave like cells in leukemia and lymphoma. The disease was unknown to Western science or to veterinary practice until it was introduced into Rhodesia in 1901. It devastated the cattle-raising and ox-cart dependent transport systems of Rhodesia and South Africa and was not fully brought under control for some fifty years. It remains a serious problem in East and Central Africa. The book describes the social and economic impact of the outbreak, the scientific...

This integrated study of law, economics and Peircian semiotics re-examines the relationship between law and market theory, and introduces the idea of law and market economy. Overcoming the traditional dichotomy between efficiency and justice, Malloy focuses on the relationship between creativity and sustainable wealth formation. He shows how creativity and sustainable wealth formation have more to do with an ethic of social responsibility than with a concern for economic efficiency. In presenting his case, Malloy uses numerous examples as he reinterprets classic problems related to rational...