Original sentence: As the name suggests, the term refers to all individuals who live in the same house.Government and policy discussions often treat the terms household and family as synonymous, especially in western societies where the nuclear family has become the most common family structure.In economic analysis, such household chores performed by members of the household are not included in economic output.In feudal or aristocratic societies, a household may include retainers (whether or not they are explicitly so named).In reality, there is not always a one-to-one relationship between households and families.In such cases, the retainers ultimately derive their income from the household's principal income.Most economic models do not address whether or not the members of a household are a family in the traditional sense.Most economic theories assume there is only one income stream to a household; this a useful simplification for modeling, but does not necessarily reflect realtiy.Some households now include multiple income-earning members.The household is the basic unit of analysis in many microeconomic and government models.The retainers' roles may blur the line between a family member and an employee.domestic robot.domestic worker
Edited sentence: A household refers to those who live in the same house,  who may or may not make up a family.Households consisting of groups of people who are not related to each other should not be overlooked; this way of living is significant in many urban centres.In many western societies based around the so-called nuclear family, household and family are often erroneously considered as synonymous by pundits and policy-makers.In such cases, all members of the household derived their living from the household's principal income, which - in a feudal context - would usually be rents received by the estate.In the context of the feudal stage of societies, of feudal remnants in aristocratic ones, and of similar but less formalized practices among wealthy commoners, a household may include retainers (whether or not they are explicitly so named), whose roles in many cases blur the line between family member and employee.It is an important term in economics and is the base unit in many theories.See also : domotics, domestic worker, domestic robot.Theories which assume that there is only one income stream to a household are suspect; most households now derive income from multiple sources