Thisbookisintendedasatextbookforafirst-yearPhDcourseinmathematicsforeconomistsandasareferenceforgraduatestudentsineconomics.Itprovidesaself-contained,rigoroustreatmentofmostoftheconceptsandtechniquesrequiredtofollowthestandardfirst-yeartheorysequenceinmicroandmacroeconomics.Thetopicscov