Rustichini, AldoYannelis, Nicholas C.2009-12-072009-12-071986-11Rustichini, A. and Yannelis, N.C., (1986), "An Elementary Proof of Fatou's Lemma in Finite Dimensional Spaces", Discussion Paper No. 237, Center for Economic Research, Department of Economics, University of Minnesota.https://hdl.handle.net/11299/55507We provide an elementary and very short proof of the Fatou Lemma in n-dimensions. In particular, we show that the latter result follows directly from Aumann's (1976) elementary proof of the fact that integration preserves upper-semicontinuity.en-USWorking Paper