The gross domestic product in India for the year ended March 31, 2011 was estimated to have grown at a robust 8.6%. Gordon Chang at Forbes argues that besides Delhi’s own fiscal and monetary stimuli, competition between the states of India for business has been a formidable factor. Federalism, it turns out, can be good for business—yet at what cost? Chang omits this element, writing only that “As the states try to outdo each other, India’s investment climate improves.”
The full essay is at "Deregulating States in India: Federalism and Business in Action."