Nathapornpan Piyaareekul Uttama Mae Fah Luang University   333 Moo 1, Tasud Muang, Chiang Rai 57100 Thailand   n_piyaareekul@hotmail.com         Primary Research Focus: Foreign Direct Investment   JEL Areas: F2 : International Factor Movements and International Business: General O4 : Economic Growth and Aggregate Productivity: General