Many political economists believe that the soundest indicator of the economic health of a nation is the nation’s gross national product (GNP) per capita—a figure reached by dividing the total value of the goods produced yearly in a nation by its population and taken to be a measure of the welfare of the nation’s residents.
Topic / Purpose
Measuring economic health / Problem-Solution
Main Point
Human indicators are a better metric than is GNP to measure the welfare of a nation's residents.
Passage Map
P1 - Intro of GNP as one method. Author's thesis that human indicators is better method. P2 - Brief defense of GNP by its proponents, followed by author's reasons that GNP is not a great metric. P3 - Real world examples of countries going with human indicators instead.
Other Commentary
This passage's big picture can be surmised in the first two sentences. We hear the classic 1-2-punch of "many (other) people believe ____ " followed by the Author's Pivot, with a But / Yet / However / Recently.
We could have also construed this passage with other frameworks: Answer a Question - How should we measure economic health? Human indicators. Present a Debate - People are debating how to measure economic health, and our author is on the side of "human indicators".