The main goal of my research is to improve the performance of the EnKF in assimilating real observations in order to accelerate the development of EnKF systems towards operational applications. A Local Ensemble Transform Kalman Filter (LETKF, Hunt et al. 2007) is used as an efficient...

It is widely believed that the implementation of progressive HR practices that affect employee skills, motivation, and behaviors can create strategic advantage for the organization (e.g., Arthur, 1994; Delaney and Huselid, 1996; Snell & Dean, 1992). However, the intervening mechanisms of this effect are...

In this thesis, we try to provide a broadeconometric analysis of a class of risk measures, distortion risk measures (DRM). With carefully selected functional form, theValue-at-Risk (VaR) and Tail-VaR (TVaR) are special cases of DRMs. Besides, the DRM also admits interpretation in the sense...

University of Minnesota Ph.D. dissertation. September 2010. Major: Statistics. Advisor: Yuhong Yang. 1 computer file (PDF); viii, 130 pages.