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Use "chrematistics" in a sentence
"What is needed is an Aristotelian buen vivir (as the World Social Forum proclaims) guided by oikonomia rather than chrematistics."
"Be it added, that the great philosopher had seen but one phase of the science, chrematistics, and that his ideas here bear the impress of the age in which he lived."
"For them, chrematistics -- what does something cost in a market -- is basically a trivial question."