The relationship between inflation and unemployment was first introduced in 1958 by Phillips who found a negative relationship between unemployment and money wage growth in the UK. However, this relationship appeared to become unstable in many countries over the 1970s. This paper investigates...

This paper studies the dynamic effect of oil rents on the industrial added value in a sample of countries with different development levels. Using a structural vector autoregressive (SVAR) model, we tested the effect of a real shock and a nominal shock on the variables of the model. The main...

The study employs the panel data of 15 hi-tech industries over the period 2000-2010 to examine the effectiveness of R%D with respect to productivity change and to identify the significant contributing factors in the hi-tech sector of China. The Malmquist productivity indexes are calculated by...