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This article
In recent decades there has been a new wave of studies in sociology and anthropology of economy and markets. The Actor Network Theory (ANT) is one of the primary new approaches. The intention of this paper is to review some of the main aspects of this line of research. In addition we wish to highlight links between ANT and semiotics, stressing the role played by semiotics in the development of ANT, as well as indicating new developments. We will examine these developments particularly in relation to economy and markets studies regarding financial markets.