To select en entry mode, the theoterical underpining to consider are Dunning's OLI, transaction cost, Institutional theory. Based on that, analyze why Costco choosing certain entry modes when expanding to China, Taiwan, South Korea, and Japan. please explain the advantage and risk while choosing each entry modes.

notes :

1. can refer to this case, it mention about costco's expansion to the 4 countries that was asked : https://www.emerald.com/insight/content/doi/10.1108/EEMCS-05-2021-0145/full/html