A set of novel contributions exploring the sociology of "market devices" - the analysis of the various sorts of technical instruments that intervene in the shaping and reshaping of markets. * Explores how market devices are set to configure economic calculative capacities and observes the part they play in the marketability of goods and services * Includes a wide array of objects that have been often overlooked in sociological analysis from pricing models to merchandising tools, from trading protocols to aggregate indicators * Analyses the performative aspects of knowledge and expertise needed in adjusting and calibrating marketing devices * Includes original empirical material from the emerging intersection between economic sociology and science and technology studies