The ease of doing business index was an index created jointly by Simeon Djankov, Michael Klein, and Caralee McLiesh, three leading economists at the World Bank Group, following the release of World Development Report 2002. The academic research for the report was done jointly with professors Edward Glaeser, Oliver Hart, and Andrei Shleifer. Though the first report was authored by Djankov, Klein, and McLiesh, and they continue to be listed as "founders" of the report, some sources attribute the genesis of the idea to Djankov and Gerhard Pohl (Dr. Pohl was the longtime director of private sector development within the Europe and Central Asia unit). Higher rankings (a low numerical value) indicated better, usually simpler, regulations for businesses and stronger protections of property rights. Empirical research funded by the World Bank to justify their work show that the economic growth effect of improving these regulations is strong. Other researchers find that the distance-to-frontier measure introduced in 2016 after a decision of the World Bank board is not correlated with subsequent economic growth or investment.
"World Development Report 2002", the basis of the research behind Doing Business, analyzes how to build effective institutions. In understanding what drives institutional change, the report emphasizes the importance of history, highlighting the need to ensure effective institutions through a design that complements existing institutions, human capabilities, and available technologies. The study was guided by Joseph Stiglitz and Roumeen Islam with principal authors Simeon Dyankov and Aart Kraay. Several background papers, including by Nobel Prize winners Robert Shiller, Amartya Sen and Gabriel García Márquez, were published in academic journals or books.
