Spatial branch-and-bound algorithms for global minimization of non-convex problems require both lower and upper bounding procedures that finally converge to a globally optimal value in order to ensure termination of these methods. Whereas convergence of lower bounds is commonly guaranteed for...

Sample selection is pervasive in applied economic studies. This paper develops semiparametric selection models that achieve point identification without relying on exclusion restrictions, an assumption long believed necessary for identification in semiparametric selection models. Our...

The emergence of sharing economy, especially accommodation platform has enable people to rent and capitalize on their private properties by renting to others. However, with the covid-19 pandemic and proximity to first-tier city it is crucial to examine how these sharing accommodation properties...

Business cycles are often regarded as aggregate phenomena. However, against the backdrop of rapid structural transformation in Chinese economy, they are also influenced by cyclical changes in various sectors and the evolution of the economic network structure. From the perspective of production...

This study investigates the role of short sales in mitigating post-shock anomalies in stock returns within the context of China's evolving short-sales regulations. Utilizing a unique dataset of daily short-sale volumes, this research examines how short sellers influence stock price behavior...

Sample selection is pervasive in applied economic studies. This paper develops semiparametric selection models that achieve point identification without relying on exclusion restrictions, an assumption long believed necessary for identification in semiparametric selection models. Our...