We present a new theory for the conduct of nonparametric inference about the latent spot volatility of a semimartingale asset price process. In contrast to existing theories based on the asymptotic notion of an increasing number of observations in local estimation blocks, our theory treats the...

We find that interest rate variance risk premium (IRVRP) - the difference between implied and realized variances of interest rates - is a strong predictor of U.S. Treasury bond returns of maturities ranging between one and ten years for return horizons up to six months. IRVRP is not subsumed by...

The COVID-19 crisis has created instability in nurses' workplace well-being (WWB) and work-family relationships. Exploring effective leadership tailored to the needs in a special context is significant to address these issues. Therefore, we examined how the interaction of self-sacrificial...

Chengtou bond is the only asset with market prices that can capture the funding cost of Chinese local government debt. In contrast to the U.S. municipal bonds, Chengtou bonds are issued by private corporations but implicitly guaranteed by local and the central governments, which are reflected by...

This study employs panel data encompassing 31 provinces in China, spanning the period from 2010 to 2020, to investigate the distributional impact of foreign direct investment (FDI) on green innovation (GI). Employing a panel quantile regression model, the research finds the close association...

In the digital economy era, the pathways of digital transformation and intelligent development have emerged as crucial avenues for enterprises' high-quality development. Focusing on listed private enterprises from 2011 to 2020, this study uses text mining to extract keywords related to digital...