Business Today has used a recent research paper titled "The current liquidity crunch in India: Diagnosis and policy response" by Jahangir Aziz, Ila Patnaik and Ajay Shah, to review why India got sucked into the global liquidity crisis. Their hypothesis in brief: in trying to manage the exchange rate, growth and inflation, the central bank had kept the system chronically tight on liquidity. Several Indian companies that had been using the London money market fell short of dollar liquidity in mid-September. So they borrowed on the money market and took US dollars out. At the same time, corporations were liquidating their holdings in mutual funds. Mutual funds, too, then started making claims on the money market, leading to a colossal shortage of liquidity. This was accentuated by factors such as advance tax payments and sale of dollars by RBI to prop up the rupee. Plausible? Perhaps, but that may not be the only explanation for the domestic turmoil, say finance heads of compa...