Barnett, William A. (contributor); … - 2008
demand function for good i, xi = xi(p;y), to obtain
dlogxi = iydlogy +
nX
j=1
ijdlogpj,
where iy is the income elasticity … demographic or other nonincome consumer characteristics �xed. Formally,
the rank of any given demand function system, x(p;y), is …