the economy of australia is one of the most developed, modern market economies in the world and the most productive in south pacific, with a gdp of approximately us$1.6 trillion. australia's total wealth is 6.4 trillion dollars. in 2011, it was the 13th largest national economy by nominal gdp. businesspersons involved in different activities, whether commercial or industrial, for the purpose of generating revenue from a combination of human, financial, and physical capital are listed here.