14.When the first edition of this textbook was published in 1996, the World Bank defined "low-income country" as one with per capita income of less than $501.In 2003, when the third edition of Global Marketing appeared, "low income" was defined as $785 or less in per capita income.The latest edition shows that $ 1,025 is the current "low income" threshold.

How do you explain the upward trend in the definition of income categories during the past 17+ years? What is the take away for you as a student of Global Marketing?