Final answer:
Japanese culture has long been considered the most effective nontariff barrier to the Japanese market. Cultural attitudes against Japan from its Asian neighbors have made it challenging for foreign companies to penetrate the Japanese market.
Step-by-step explanation:
Japanese culture has long been considered the most effective nontariff barrier to the Japanese market. Cultural attitudes against Japan from its Asian neighbors, rooted in Japan's history as a colonizer and its wish to protect its cultural integrity, have made it challenging for foreign companies to penetrate the Japanese market. The importance of cultural understanding and adaptation cannot be understated when doing business in Japan.