Examines the pragmatic efficacy of a the diagrammatic presentation of managerial problems in a consultancy slideshow through an ethnographic analysis of a consultancy mission, and discusses findings in the light of a pragmatist approach.

Sketches a pragmatist model of authority by studying the case of a consultant faced with the issue of establishing his authority in the actual context of a consulting assignment, and showing how the consultant invokes various “figures” that lend weight to his actions.

Presents a case study on the Arizona Stock Exchange, with an emphasis on how exchange automation altered the definition of the market.

Provides ethnographic observations and analysis of a laboratory experiment in economics.

Studies a number of aspects of the reform of public finance and public management in France (LOLF), with special attention to science and technology policy, using a pragmatist approach to the sociology of the state.

Analyses the ambiguity of a number of transparency-making devices in economic and financial life.

Provides some theoretical developments on the topic of the performativity of economics.

Reviews debates on the performativity of economics from the vantage point of a general anthropology of modern economic reason.