Several recent papers report a puzzling pattern of food demand falling as household size rises at constant per capita expenditure, especially in poorer countries. This pattern is contrary to a widely used model of scale economics. This paper exploits within-country differences in household...

Satellite-detected luminosity is sometimes used to proxy for economic activity although only recently within the mainstream economics literature (Henderson et al., 2012). If this method works it holds great promise for developing countries with weak statistical systems that face difficulties in...

If relative prices of goods within a commodity group are constant, Hicksian separability lets the price of a single good represent the group price level. This is relied on by designers of price questionnaires used in household surveys and by methods of estimating demand systems from household...