“…Various economists from the twentieth century, such as Goudriaan (1932), Frank Graham (1941, Keynes (1942Keynes ( [1974), Hayek (1943), Benjamin Graham (1944), Kahn (see Rosselli 2012), Harrod (1963), Hart et al (1964), Kaldor (1970), Hart (1976), Rweyemamu (1980), and more recently Lietaer (2004) and Ussher (2009), all advocate an international reserve currency (SDR) to be issued against the deposit of warehouse receipts for commodities constituting one or more commodity units (for a review of the main plans, see Ussher 2011). 6 This real bills doctrine at the international level would offer new international reserve currency with a solid backing, redeemability, and a countercyclical supply.…”