Outsourcing is very important for organizations to achieve better performance, such as cost reduction, core activities, and knowledge acquisition. Thailand is as known worldwide as a key outsourcing service provider. To know factors affecting to long-term relationship outsourcing are essential...

We apply the directed acyclic graph and spillover index models and find significant evidence of both implied volatility contagion and spillover. First, the global implied volatility smiles exhibit strong regional clustering. The European and American options markets form a separate contemporary...

Electrochemical determination of luteolin is vital to food industry owing to its bioactive properties such as anti-viral, anti-ulcer, while bare electrode of traditional electrochemical sensors generally have narrow linear range and low sensitivity, limiting their practical application....

At present, oxygen reduction reaction (ORR) catalyst has become an important obstacle to the commercial development of fuel cells (FCs), and it is extremely important to explore efficient and stable ORR catalysts. Composite catalysts formed by WS 2 attachment to two carbon substrates were...