many sidedmany timesmany to many functionmany to many relationmany to one correspondencemany valuedmany valued functionmany valued logicmany zerosmapmappedmappingmapping diagrammapping intomapping ontomapsmarblemarchingmarching processmarginmarginalmarginal analysismarginal approachmarginal benefitmarginal costmarginal cost functionmarginal demandmarginal densitymarginal distributionmarginal distribution functionmarginal factor costmarginal fixed costmarginal frequencymarginal investmentmarginal physical productmarginal probabilitiesmarginal probabilitymarginal productivitymarginal profitmarginal projectmarginal propensitymarginal propensity to consumemarginal propensity to importmarginal propensity to savemarginal rate of input substitutionmarginal rate of return over costmarginal rate of substitutionmarginal rate of time preferencemarginal revenuemarginal significance