A new personal income tax reform implemented in China on September 1, 2011. The main content of this amendment is as follows: The first is to raise the pre-tax salary deduction standard from RMB2000/month to 3500/month; the second is to adjust the tax rate structure of salary, reducing from the...

The status quo of the violation of migrant workers’ interests is analyzed, the results are not so optimistic. The overall situation of migrant workers’ training rights is poor; migrant workers ’rights to enjoy legal holiday are seriously violated; the working conditions and...

Molecular distillation was used to separate bio-oil into a light fraction, a middle fraction and a heavy fraction. The chemical composition of the three fractions and the crude bio-oil was analyzed by gas chromatography coupled with mass spectrometry (GC-MS). The diversity of the components...

This article tests for the random walk hypothesis in the four Chinese stock markets of Shanghai "A," Shanghai "B," Shenzhen "A," and Shenzhen "B" and explores the impact of the market liberalization that occurred in 2001 on the efficiency of these markets. Empirical results show that the market...

We present a new volatility model, simple to implement, that includes a leverage effect whose return-volatility correlation function fits to empirical observations. This model is able to capture both the "retarded effect" induced by the specific risk, and the "panic effect", which occurs...

This paper estimates the effects on earnings of "gap years" between high school and university enrollment. The effect is estimated by means of standard earnings functions augmented to account for gap years and a rich set of control variables using administrative Swedish data. We find that...