Introduction -- Consumption economies of scale and Engel equivalence scales -- Socio-economic and demographic characteristics of Sri Lankan households -- Link between income and economies of scale -- Economies of scale in home-grown food consumption -- Implications of access to electricity on...

Household scale economies are plausibly attributed to shared household public goods that make larger households better off at the same level of per capita resources. Larger households should therefore have higher per capita consumption of private goods, such as food, provided that they do not...