<jats:p>This article aims at reconstructing theoretical viewpoint of the market in Marxian economics. We usually assume that the asset of Marxian economics should be the theory of exploitation, which must be proved under the condition of the market equilibrium. In this article, however, we think Marxian economics should provide the whole set of apparatus to criticise capitalism as a social science. To construct Marxian economics as a general social science, we need to develop not only Marxian theory of production but also Marxian theory of market, which can be substituted for the equilibrating theory of market. Here we focus on the theory of market value in <jats:italic>Capital</jats:italic> Volume III and consider how technological factors affect the market in Marxian terms.</jats:p>