When he tested the models from the various institutions, Tung discovered that East Asian economic integration agreements have had only negligible negative impact on non-member nations such as Taiwan or no impact at all.
他整理國內各機構所做的重力分析發現，東亞的經濟整合協定並未對非會員國（台灣）造成負面影響，或影響程度相當有限。