We exploit the availability of active single-stock futures on India's National Stock Exchange (NSE) to provide estimates of overall informational efficiency, without conditioning on a public announcement. The key is the estimation of the primitive parameters of an asset pricing model with...

The I–V characteristic curve is very important for solar cells/modules being a direct indicator of performance. But the reverse derivation of the diode model parameters from the I–V curve is a big challenge due to the strong nonlinear relationship between the model parameters. It seems...

This paper analyzes a spurious regression involving AR(p) infinite-variance processes in the presence of structural breaks by least squares using asymptotic theory. It is found that when regressing two independent infinite-variance sequence with breaks in the level and slope of trend, no matter...

Energy conservation (EC) has been taken as basic state policy in China for more than 20 years and China achieves 3.9% annual energy saving from 1980 to 2005. In 2006 China Central Government firstly set up a binding target of reducing GDP energy intensity by 20% in its 11th Five-Year-Plan (FYP)....

Water hyacinth, as waste biomass, can potentially replace fossil fuels and address pressing issues of energy shortage and serious environmental pollution. In this study, microwave-assisted dilute acid pretreatment was proposed to enhance the enzymatic saccharification of water hyacinth for...

Many steps in the creation and dissemination of new accounting standards lag behind the rest of the modern world. Issues are often addressed too late to rectify major problems, in language at once too vague to deal effectively with the nuances of real world business decisions, and too lengthy to...

Purpose –The audit of corporations is now dependent on the examination of corporate computer systems. Although tools and techniques have been available for decades, there are major limitations on the audits of corporate systems by external auditors. This paper aims to examine external auditor...