Sutter, Daniel (June 2002). "The democratic efficiency debate and definitions of political equilibrium". The Review of Austrian Economics. 15 (2): 199–209. doi:10.1023/A:1015766621802. S2CID73557743.
Thomas, Diana W.; Thomas, Michael D. (2010). Efficient regulation? The case of the market for blood. Logan: Department of Economics and Finance, Utah State University. Working paper.
Sutter, Daniel (June 2002). "The democratic efficiency debate and definitions of political equilibrium". The Review of Austrian Economics. 15 (2): 199–209. doi:10.1023/A:1015766621802. S2CID73557743.