Two parameter estimators: Biased and almost unbiased estimation for nonorthogonal problems Muhammad Qasim, Jönköping International Business School, Jönköping University, Sweden; Kristofer Månsson, Jönköping International Business School, Jönköping University, Sweden; B M Golam Kibria, Florida International University FIU, Miami, USA; Pär Henrik Sjölander, Jönköping International Business School, Jönköping University, Sweden