Who is considered as the father of economics?
- Alfred Marshall
- Adam Smith
- David Ricardo
- Esther Duflo
Adam Smith was an 18th-century Scottish philosopher. He is considered the father of modern economics. He published “The Wealth of Nations” in 1776.
Who proposed the steady-state theory?
- Hermann Bondi
- Thomas Gold
- Sir James Jeans
- Fred Hoyle
The steady-state theory was first proposed by Sir James Jeans in the 1920s, but it was reformulated by Fred Hoyle, Thomas Gold, and Hermann Bondi in 1948.
Who proposed the theory of the expanding universe?
- Georges Lemaitre
- Galileo Galilei
- Edwin Hubble
- Claudius Ptolemy
American astronomer Edwin Hubble discovered in the 1920s that the Universe is expanding by showing that most galaxies are receding from the Milky Way and the farther away they are, the faster they are receding.
What is the pulsating theory of the universe?
- A cosmological model that combines both the Big Bang and the Big Crunch as part of a cyclical event
- An expansion and contraction of the star as a whole in a regular periodic pulsation
- All the matter of the universe was present in a single place in the form of hot and dense fireball
- Counting of the galaxies is constant and new galaxies which are forming continuously are filling the empty spaces
Sir J.C. Bose proposed a theory of the ascent of sap known as the pulsation theory. The Pulsating Universe Theory says that the universe follows self-sustaining cycles such as expanding and contrasting.
Who is called the father of macroeconomics?
- Alfred Marshall
- John Maynard Keynes
- Adam Smith
- Leon Walras
Macroeconomics as a modern discipline began with the publication of John Maynard Keynes's General Theory of Employment, Interest, and Money where he offered a new theory of economics that evolved into Keynesian economics.
