Original: Disciplines related to political economy Because political economy is not a unified discipline, there are studies using the term that overlap in subject matter, but have radically different perspectives: Sociology studies the effects of persons' involvement in society as members of groups, and how that changes their ability to function.
Simplified: Disciplines which relate to political economy Because political economy is not a unified discipline, there are a variety of studies that use the term which have overlapping subject matter, but radically different viewpoints. Sociology is the study of the effects of involvement in society on individuals as members groups, and how this changes their ability to function.