Biewen, Martin; Juhasz, Andos - Institute for the Study of Labor (IZA) - 2013
results suggest that household economies of scale are higher than those assumed in commonly used scales such as the OECD or … the Luxembourg scale. We also obtain the novel empirical result that economies of scale may decrease (rather than increase …) in income, which is what one would expect if the share of consumption goods generating economies of scale (such as …