I first met Paul Samuelson in 1962, as a student at MIT. A decade later, I had the pleasure of co-authoring with him a paper on the Theory of Index Numbers (American Economic Review, 1974) and another in the Royal Economic Society’s Economic Journal (1984). I last met him a couple of years back, on a sidewalk in Belmont, Massachussets. He was driving down the street and stopped upon seeing...

Once the world's wettest places, Cherrapunji is getting up to 20% less rain every year - and is suffering water shortages. Residents say their heavenly abode in the clouds is hotter and drier than ever before - and they blame it on global warming. Cherrapunji - or Sohra in the local Khasi language - is located in the West Khasi Hills of India's north-eastern state of Meghalaya. "Never were there very...

The industrialized countries are cheating the world. A confidential document of the UN Frame Convention on Climate Change secretariat prepared on December 15 shows, contrary to what the rich nations might claim, even if they come true on their current pledges to reduce emissions the world is headed towards a 3 degree temperature rise by 2050, not two degree Celsius – the tipping point. The document, an authoritative assessment by...

I have just returned after performing at the climate circus in Copenhagen. Like all sensible columnists, I will reserve my remarks on why the outcome was entirely predictable, till after the event! But as I attended this meeting of the Conference of Parties (COP) of the Climate Convention (UNFCCC) after a gap of some six years, a snapshot comparison of then and now may be more useful. The UNFCCC process started...

Paul A. Samuelson (May 15, 1915 — December 13, 2009) has often been described as the foremost academic economist of the 20th century. Randall E. Parker, the economic historian, has called him the “Father of Modern Economics”. All this may be hotly disputed in Chicago, but in any case, Samuelson was the first American to receive the Nobel prize in economic Sciences. The Swedish Royal Academy’s citation stated that he...