@article {Karagiannis-Mergos-2002,
	title = {Estimating theoretically consistent demand systems using cointegration techniques with application to Greek food data},
	journal = {Economics Letters},
	volume = {74},
	number = {2},
	year = {2002},
	pages = {137-143},
	keywords = {Cointegration, Demand systems, Homogeneity, Symmetry},
	doi = {10.1016/S0165-1765(01)00536-5},
	author = {Karagiannis, Giannis and Mergos, G}
}
