9. How large are income differences across countries? Suppose that in 2018, per-person GDP in Singapore was $64,581, and in Egypt, it was $2,549 (measured in 2011 U.S. dollars). It is accurate to say that the income level in Singapore is than in Egypt. Why is this comparison accurate? Singapore is characterized by a larger share of household production in total output than Egypt is. Egypt is characterized by a higher share of industrial production in total output than Singapore is. The large difference in income between Singapore and Egypt exceeds any underestimate of Egypt's GDP as the result of its larger share of household production. Egypt is characterized by a larger share of household production in total output than Singapore is