Despite substantial debt relief to HIPC Initiative completion point countries, long-term debt sustainability remains a challenge. This paper examines a number of structural factors affecting external debt sustainability. It shows that in HIPC completion point countries (i) the export base...

The stylized fact that strong economic growth is usually accompanied with strong export growth leads many people to conclude that the export sector is the main driving force behind those episodes. The model in this paper, however, shows that the non-tradable sector may also generate high...

Compressed sensing (CS) provides a method to sample and reconstruct sparse signals far below the Nyquist sampling rate, which has great potential in image/video acquisition and processing. In order to fully exploit the spatial and temporal characteristics of video frame and the coherence between...