1. Retail payments in the Netherlands: facts and theory;Bolt;De Economist,2006
2. Buiter, Willem H. (2003). Helicopter money: irredeemable fiat money and the liquidity trap, NBER Working Paper No. W10163, December.
3. Buiter, Willem H. (2004). Overcoming the Zero Bound: Gesell vs. Eisler, Discussion of Mitsuhiro Fukao's “The Effects of ‘Gesell’ (Currency) Taxes in Promoting Japan's Economic Recovery”. International economics and economic policy, Volume 2, Numbers 2–3, November 2005 (pp. 189–200). Springer-Verlag GmbH; ISSN: 1612-4804 (Paper) 1612–4812 (Online).
4. Buiter, Willem H. (2007a). Is Numérairology the Future of Monetary Economics? Unbundling numéraire and medium of exchange through a virtual currency with a shadow exchange rate, Open economies review. Springer Netherlands; ISSN 0923-7992 (Print); 1573-708X (Online). Electronic publication date: Thursday, May 03, 2007. See “Springer Website”.
5. Buiter, Willem H. (2007b). “Seigniorage”, economics - The Open-Access, Open-Assessment E-Journal, 2007-10.