Macroeconomics is concerned about overall performance of the economy. Deals with the economic behaviour of aggregates national income, output, overall price and unemployment.
Yes, so far it is- string theory explains many of the unresolved fundamental problems of our century, such as the opposition between Quantum Mechanics and Einstein's theory of general relativity.
A scientific theory has a different definition from a "general" theory of everyday use. "Regular" theory (according to dictionary.com): contemplation or speculation.guess or conjecture. Scientific...
His first paper was titled:- 'On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection' His book was titled 'On the Origin of...