Machiavelli made his celebrated distinction between `the effective truth of things' and the `imaginary republics and monarchies that have never been seen or known to exist.' The scholarly study of international relations has generally sought to make research more manageable by cutting complex...

Ronald Coase had a profound impact on scholarship worldwide, and not for his ideas alone. Coase’s ideas about transaction costs, the nature of the firm, the role of government, and the problem of social cost have been hugely influential. Throughout his long life, he also worked to change the...