Jul 16 2010 Bolong Cao , Shamila Jayasuriya and William Shambora   Holding a commodity futures index fund in a globally diversified portfolio: A placebo effect?   Abstract  Contact Information  Citation  Full Text  -  Note   Dec 25 2009 Francesca Di Iorio and Stefano Fachin   A residual-based bootstrap test for panel cointegration   Abstract  Contact Information  Citation  Full Text  -  Note