In the recent past, Vietnam has dramatically increased its investment relationship and trade with the United States. At the same time, United States foreign direct investment and trade with China has been decreasing. This is even more significant when we are in a period of internal growth within the United States. Using comparative business system analysis theory and a mixed method approach we conclude that Vietnam is turning into the new China for United States firms due to the fewer differences that exist between their business systems. The Chinese business system has major differences when compared with the economic system of the United States, whereas the Vietnam system has closer resemblance to the United States system. We have laid ou...