This paper investigates the trade-productivity growth relationship by incorporating uncertainty/volatility in a VECM … relationships. The findings that volatility in productivity growth impedes import growth while volatility in export and import … growth in both total factor productivity (TFP) and labour productivity even after controlling for economic uncertainty in the …

breaks) in the volatility of financial time series. Comparative study of three techniques: ICSS, NPCPM and Cheng's algorithm … breaks in volatility, while Cheng's technique works well only when a single break occurs. …