81. Who is known for the concept of “comparative advantage” in economics?
a) David Ricardo
b) Paul Krugman
c) John Maynard Keynes
d) Friedrich Hayek
Answer: a) David Ricardo
82. Who is known for the theory of “rational expectations” in economics?
a) Robert Lucas Jr.
b) Paul Samuelson
c) Joseph Schumpeter
d) Friedrich Hayek
Answer: a) Robert Lucas Jr.
83. Who is known for the concept of “Black Swan events” in economics?
a) Nassim Nicholas Taleb
b) Robert Shiller
c) Eugene Fama
d) Robert Solow
Answer: a) Nassim Nicholas Taleb
84. Who is the author of the book “Freakonomics”?
a) Steven Levitt
b) Angus Deaton
c) Richard Thaler
d) Amartya Sen
Answer: a) Steven Levitt
85. Who is known for the theory of “optimal currency area” in economics?
a) Robert Mundell
b) Paul Krugman
c) Joseph Stiglitz
d) Esther Duflo
Answer: a) Robert Mundell