Natural anthocyanins are considered favorable indicators for new sensing materials because of their wide pH color range. In this study, a smart visual indicator film was developed by introducing black wolfberry (BW) anthocyanins to a solid matrix composed of polyvinyl alcohol (PVA) and methyl...

Using overnight volatility as the proxy for overnight information, this paper models future Chinese stock market realized range-based volatility (RRV) within a class of heterogeneous autoregressive models augmented by this proxy. We confirm the important role of overnight information in...

In the wake of the COVID-19 pandemic, severe economic damage and product shortages caused by demand surges and supply disruptions have prompted interests in strategies and tools for building resilient supply chains. The recent geopolitical conflicts as well as increased frequency of natural...

We investigate how payment modes influenced charitable giving behaviors before and after the lockdown during the COVID-19 pandemic in a laboratory experiment. In a real donation game, subjects use cash or contactless mobile payment to make real donations. We showed that contactless mobile...

Vietnam has experienced political unrest from its founding in 1945 up to 2000. However, since 2000, hints of stability in systems have been seen. Political unrest over time strengthens the foundations of corruption in the nation. By considering the function of per capita income and natural...

A compelling profile of an emerging Chinese competitor Chinese firms are reinventing their business models, their corporate cultures, and themselves, becoming global competitors who increasingly offer knowledge rather than cheap labour in their quest to join the ranks of the "world's best"...