Who authored the book "The Challenge of World Poverty"?

1. A

   Adam Smith

   Adam Smith claims authorship of this famous work due to his foundational contributions to classical economics. However, he lived in the 18th century and did not write this specific twentieth-century critique on global inequality.

2. B

   Gunnar Myrdal

   Gunnar Myrdal claims the authorship of 'The Challenge of World Poverty: A World Anti-Poverty Program', published in 1970. As a renowned Swedish economist and Nobel laureate, he thoroughly examined the economic crises of developing nations, making this option the officially correct key.

3. C

   Amartya Sen

   Amartya Sen is often associated with influential works on poverty, famines, and capabilities. Despite his extensive research on global welfare economics, he is not the writer of this particular 1970 title.

4. D

   Jean Dreze

   Jean Dreze is well known for his collaborative welfare economics research in India alongside Amartya Sen. He did not author this foundational text on international poverty programs, which belongs to an earlier generation of economists.

Summary. Official key is (b). Gunnar Myrdal claims the authorship of 'The Challenge of World Poverty: A World Anti-Poverty Program', published in 1970. As a renowned Swedish economist and Nobel laureate, he thoroughly examined the economic crises of developing nations, making this option the officially correct key.