such limitations are often recognised in the way that monetary poverty indicators are described in publications both by national governments and international organisations for example the united kingdom department for work and pensions refers to relative low income in their published statistics whilst eurostat reports on atriskofpoverty rates department for work and pensions eurostat if data are collected through household surveys it is often impractical and expensive to collect detailed data from all members of the household more importantly it is often very difficult or impossible to allocate economic flows to single individuals within the household or family unit