Blockchain is considered by many to be a disruptive core technology. Although many researchers have realized the importance of blockchain, the research of blockchain is still in its infancy. Consequently, this study reviews the current academic research on blockchain, especially in the subject...

Frugal innovation, a new paradigm suitable for start-ups to promote innovation with restrained resources, has proliferated over the past decade. However, a comprehensive analysis of the factors affecting frugal innovation during the entrepreneurial process is lacking. To fill this gap, this...

Complementary technological linkages provide access to the external technology at lower cost and compensate for weak or absent local technological capabilities, which has an important role in improving carbon emissions efficiency. This study examines this issue in the industrial sector in China....

Tail risk is a classic topic in stressed portfolio optimization to treat unprecedented risks, while the traditional mean-variance approach may fail to perform well. This study proposes an innovative semiparametric method consisting of two modeling components: the nonparametric estimation and...