“…Diversification is defined in various manners such as the change in existing composition of product mix or export market destination or spread of product over many sectors (Salomon, 2010;Berthelemy and Chaivin, 2000;Ali et al, 1991). However, the impact of geographic or market and product diversification is still a substantial debatable topic in international trade literature (Jerzy et al, 2012) because the countries that have more diversified export (Horizontal and vertical product) will have stable export revenue and which would lead to long-run growth (Dierk and Felicitas, 2007;Fahim, 2010;Sheila and Michael, 1997;Manuel, 2008). On the contrary, highly concentrated market or product would lead vulnerable condition in export performance and export revenue stream (Federico and Kiichiro, 2003).…”