This strategy involves 'making a beggar out of neighbouring nations' and is typically aimed at increasing the demand for one's exports while reducing the reliance on imports. This is generally done by devaluing the nation's currency to make the exports to other countries cheaper.Delivering a lecture at london Business School on Thursday, Rajan had asked central banks from across the world to revisit the "rules of the game" to find a solution, as he warned of problems similar to the Great Depression of 1930s emerging again."I am not going to venture a guess as to how we establish new rules of the game. It has to be international discussion, international consensus built over time after much research and much action," the Reserve Bank of India Governor had said.