Mr. M.P.K. Withanawasam is a lecturer of Economics attached to the Department of Business Economics, Faculty of Management Studies and Commerce of University of Sri Jayewardenepura. His research interests International Trade Agreements (specially Gravity Model), Managerial Economics, Education and Environmental Economics. He has attained his first degree in B. Sc. Business Administration (Business Economics) (Special) 1st class honors and is currently reading for the Masters in Economics at the University of Colombo. He is doing lectures in Managerial Economics and Labour Economics and tutoring subjects are Econometrics (with eviews), Microeconomics and Project Management.