Davis LB, Sengul I, Ivy JS, Brock LGIII, Miles L. Scheduling food bank collections and deliveries to ensure food safety and improve access. Socioecon Plann Sci. 2014 Sep;48(3):175-88. doi: 10.1016/j.seps.2014.04.001
Smith VK, Evans MF, Banzhaf HS, Poulos C. Can weak substitution be rehabilitated? Environ Resour Econ (Dordr). 2010 Feb 1;45(2):203-21.
Mansfield CA. Despairing over disparities: an empirical analysis of the relationship between willingness-to-pay and willingness-to-accept. Environ Resour Econ (Dordr). 1999;13(2):219-34.