For over 20 years, CMIE has computed `market shares’ of the companies who compete in a certain product. They have also computed the Herfindahl index of concentration. This data is valuable in obtaining a snapshot of what is happening in an industry. But more interesting, this data [...]

Risk management failures have clearly taken place. It has become fashionable to criticise risk models.
A fair amount of the naive criticism is not well thought out. Too many people today read Nassim Taleb and pour scorn upon hapless economists who inappropriately use normal distributions. That’s just not a fair depiction of how risk analysis gets [...]

In order to make progress on doing macroeconomics in India, one weak link has been business cycle measurement. This, in turn, requires access to a wide range of seasonally adjusted time-series. In most countries, the infrastructure of seasonally adjusted data is produced by the statistical system, but in India this has not come about.
Seasonally adjusted [...]

Real gross domestic product (GDP) is the market value of all goods and services produced by a nation within a certain span of time, adjusted for inflation. It includes both the goods and services sold in the marketplace, such as a can of tuna at the grocery or server space leased from a website host, [...]