Institution: | K.N. Bhaskar is a Lecturer in Accounting, University of Bristol, 40 Berkeley Square, Bristol, BS8 1HY, UK;C.L. Gilbert is a Research Officer at the Oxford Statistics, St. Cross Building, Manor Road, Oxford, OX1 3UL, USA;Wadham College, Oxford, USA;Perlman is a Commodities Research Unit Ltd, 26 Red Lion Square, London, WC1R 4RL, UK |