J. Math. Econ. Discipline Mathematical economics Language English Edited by Atsushi Kajii Publication details Publisher Elsevier Publication history 1974–present Frequency Bimonthly Impact factor (2013) 0.496 Indexing ISSN 0304-4068 In the Editors view, the formal mathematical expression of economic ideas is of vital importance to economics. Such an expression can determine whether a loose economic intuition has a coherent, logical meaning. Also, a full formal development of economic ideas can itself suggest new economic concepts and intuitions. The Journal of Mathematical Economics is a bimonthly peer-reviewed academic journal of mathematical economics published by Elsevier. It covers work in economic theory which expresses economic ideas using formal mathematical reasoning. The journal was established in 1974, with Werner Hildenbrand as the founding editor-in-chief. The current editor-in-chief is Atsushi Kajii (Kyoto University). According to the Journal Citation Reports, the journal has a 2013 impact factor of 0.496.[1]