While flexible exchange rates facilitate stabilisation, exchange rate fluctuations can cause real volatility. This gives policy importance to the causal relationship between exchange rate depreciation and its volatility. An exchange rate may be expected to become more volatile when the...

Option prices seem to behave in ways inconsistent with the Black-Scholes model. Implied volatility varies with the strike price in a parabolic shape that is often called the volatility 'smile.' My objective in this paper is to identify implied probability distributions that might explain this...

We investigate the long-term effect of domestic currency depreciation on the external debt for a panel of 41 emerging economies over the years 1999-2019. Using heterogenous panel cointegration methods, we find that domestic currency depreciation leads to an increase in external debt to GDP ratio...