He, Changli; Sandberg, Rickard - Economics Institute for Research (SIR), … - 2005
and Rickard Sandbergy
Department of Economic Statistics, Stockholm School of Economics,
P. O. Box 6501, SE-113 83 … Stockholm, Sweden
SSE/EFI Working Paper Series in Economics and Finance No. 581
January 2005
Abstract
In this paper we derive a … has been presented at the 11th Biennial Panel Data Conference
at College Station, Texas 2004, and at the Ibmec Business …