Wang has focused on the relationship between Das Kapital and the political economy in the broad sense. He once publicly suggested, “It has been my long-held wish to do research on political economy in the broad sense, and I have made preparations for this over several years” ( Wang, 2007a). The well-known Chinese scholar Wang Yanan has contributed much to the study of political economy in the broad sense. Engels said, “Political economy, however, as the science of the conditions and forms under which the various human societies have produced, exchanged and distributed their products – political economy in this wider sense has still to be brought into being” ( Marx and Engels, 2009d). Thus, Marx did not oppose Engels’s opinions in Anti-Duhring. While Marx did not clearly propose the concept of a political economy in the broad sense, this does not mean that Marx did not understand the importance of a political economy in the broad sense for dissecting the general rules of human social development. Characteristics of political economy in the broad sense were also included. From the perspective of logical structure and methodology, the research objects of these works were not limited to the scope of the capitalist economic system. By 1867, Marx and Engels had completed many works, including Economics and Philosophic Manuscript of 1844, The German Ideology and the Communist Manifesto. Marx hoped to reveal the economic operation law of the capitalist system, so the economics studied in Das Kapital is defined as a political economy in the narrow sense. Up to the present time, their classic ground is England” ( Marx and Engels, 2004). In the preface to the first volume of his book, Marx said, “In this book I have to examine the capitalist mode of production, and the conditions of production and exchange corresponding to that mode. What are the key objects studied in Das Kapital? This question has long existed in academic circles. Originally published in Simplified Chinese in Economist. The full terms of this licence may be seen at. Anyone may reproduce, distribute, translate and create derivative works of this article (for both commercial and non-commercial purposes), subject to full attribution to the original publication and authors. This article is published under the Creative Commons Attribution (CC BY 4.0) licence.

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