The economic function of the Chinese has been existing since many centuries ago. This function has close relationship with "Jati Diri" of a businessman or an entrepreneur in the economic activities. Besides, the context of the social cultural and political interaction which has been prevailing for centuries, will condense to form the "Jati Diri" of a Chinese in Indonesia community. This must have positive or negative influences in a community. A sample with an application on the ethical interaction in Surabaya completes this contextual thinking. The projection to overcome it is our assignment in our nation economics, between the community and the government. Abstract in Bahasa Indonesia : Fungsi orang Tionghoa dalam dunia perekonomian t...