Explanation:
The proportional variation in production with regard to proportionate change in inputs is explained by the principle of returns to scale. In plenty of other respects, the rule of returns to scale implies that whenever the number of inputs changes proportionately, the output behaviour changes as well.
The narrator of the story wonders about happiness. He thinks that if he had money, he'd be happier. Yet after he robs the rich white man, he learns that money does not in fact mean that people are happy. The narrator is left wondering why that is. The story does not necessarily offer a solution rather an anti solution: money will not ensure happiness.
