97490 articleid 16962281v31n2p201 eng Neudecker, Heinz Amsterdam School of Economics A recursion formula for expected negative and positive powers of the central Wishart distribution (p. 201-206) We use Haff’s fundamental identity to express the expectation of Sp in lower-order terms, where S follows the central Wishart distribution. Tots els drets reservats http://www.europeana.eu/rights/rr-f/ Anglès Article de fons Haff’s Fundamental Identity Matrix differentiation Central Wishart distribution info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Vol. 31, Núm. 2 (2007), p. 201-206 SORT : statistics and operations research transactions 1696-2281 0201 206 July-December 2 31 sort_a2007m7-12v31n2 2007 ARTPUB SORT UAB 6 65888 http://ddd.uab.cat/uab/sort/sort_a2007v31n2/sort_a2007m7-12v31n2p201.pdf artpubuab oai:ddd.uab.cat:97490 driver