TY - BOOK AU - Sockin, Michael AU - Xiong, Wei ED - National Bureau of Economic Research TI - Feedback effects of commodity futures prices T2 - NBER Working Paper PY - 2013/// CY - Cambridge PB - NBER KW - NBERWP 18906 KW - E9619.pdf UR - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2013/E9619.pdf ER -