Are monopolies always bad?

Competition doesn't always guarantee profits

Very few people can compete with me in the matter of long names. One of them is Dr Venkataraman Anantha Nageswaran (known as VAN), financial economist, indefatigable writer, and a very incisive columnist. 

Recently, he noticed a research paper and an International Monetary fund (IMF) discussion — led by no less a person than Christian Lagarde, Managing Director of the IMF — on the increasing market power of corporate behemoths like Google, Facebook etc and its consequences for economies. He wrote about it here. No better summary on the subject exists so far. 

Then after watching the