The Soviet Union's collapse and the end of the Cold War have been accompanied by a declining interest in Marxian-inspired theories of political economy in the study of core–periphery relations. Concepts such as dependency and imperialism have been replaced by market forces and structural adjustment. Similarly, post-modernism's impact has been to erode interest in historical theories, especially those with a teleological bent. Thus, Robert Tignor's study, Capitalism and Nationalism at the End of Empire, is refreshing in raising issues that have not been central to the recent intellectual agenda in the study of non-Western societies.