When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
By Subrata Guha, Rajendra Prasad Kundu, S. Subramanian. Subrata Guha is Associate Professor, Centre for Economic Studies and Planning, Jawaharlal Nehru University, and has been associated with research and teaching there since 1999.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.