Recent empirical evidence of nonlinearities in the time series behaviour of exchange rates suggests that a linear model of the exchange rate may yield invalid inference when used to assess the effectiveness of central bank intervention. Using a double threshold GARCH model of the Japanese yen-US...

This paper finds that factors such as caste and religion influence food security at the regional level. Thus defining affirmative action within food security programs may be necessary as the current practice of designing food security programs around the poverty line is shown to deliver limited...