<P> J.B. Say (1803), distinguishing the subject from its public - policy uses, defines it as the science of production, distribution, and consumption of wealth . On the satirical side, Thomas Carlyle (1849) coined' the dismal science' as an epithet for classical economics, in this context, commonly linked to the pessimistic analysis of Malthus (1798). John Stuart Mill (1844) defines the subject in a social context as: </P> <Dl> <Dd> The science which traces the laws of such of the phenomena of society as arise from the combined operations of mankind for the production of wealth, in so far as those phenomena are not modified by the pursuit of any other object . </Dd> </Dl> <Dd> The science which traces the laws of such of the phenomena of society as arise from the combined operations of mankind for the production of wealth, in so far as those phenomena are not modified by the pursuit of any other object . </Dd> <P> The shift from the social to the individual level appears within the main works of the Marginal Revolution . Carl Menger's definition reflects the focus on the economizing man: </P>

Who has defined economics as science which deals with wealth