The insulating properties of flexible exchange rates have long been a highly contentious issue in emerging markets - not least in Asian emerging markets. A number of recent theoretical and empirical studies question whether a trade-off exists between rigid exchange rate regimes and insulation...

Noting that many economic variables display occasional shifts in their second order moments, we investigate the performance of homogenous panel unit root tests in the presence of permanent volatility shifts. It is shown that in this case, panel unit root tests derived under time invariant...