"It's clear that China is the world's next economic superpower. But what isn't so clear is how China will get there by the middle of this century. It now faces tremendous challenges such as fostering innovation, dealing with an ageing population, and coping with a less accommodative global...

This paper provides empirical evidence that there is no absolute convergence between the GDP per capita of the developing countries since 1950. Relying upon recent econometric methodologies (nonstationary long-memory models, wavelet models and time-varying factor representation models), we show...