The laser cutting capacity has increased significantly in recent years, owing to the rising power of fiber lasers. Meanwhile, considerable emphasis is being paid to the quality of high-power laser cutting, particularly the issue of thick plate kerf taper. However, the mechanism by which the kerf...

Based on VAR analyses across 26 countries, we show that, although foreign exchange intervention (FXI) is effective in stabilizing the nominal exchange rate in the short run, its impacts on the real exchange rate are less significant: Limitations on nominal exchange rate flexibility may induce...

Zirconium-based metal–organic frameworks (Zr-MOFs) have emerged as a promising candidate for efficiently eliminating toxic chemicals under ambient conditions. Herein, we demonstrate the remarkable ammonia capture capabilities of the hierarchically porous MOF-808 xerogel (G808) macrostructure...

The macroeconomic impact of foreign exchange intervention: cross-country empirical studies -- Laying a solid foundation and moving toward a free floating exchange rate regime -- Further developing FX derivatives market and allowing for a more market-based regulatory approach in China -- Floating...

During China’s transition toward a more flexible exchange rate, it is essential to further develop its foreign exchange (FX) derivatives markets to meet the growing hedging needs associated with greater exchange rate fluctuations. Although over-the-counter (OTC) FX derivatives markets already...

We investigate how crowdsourced delivery platforms with both contracted and ad-hoc couriers can effectively manage their workforce to meet delivery demands amidst uncertainties. Our objective is to minimize the hiring costs of contracted couriers and the crowdsourcing costs of ad-hoc couriers...

This paper addresses police resource allocation across multiple locations, aiming to minimize the overall cost of potential crimes. Unlike previous literature focused on reactive police tasks, we propose a proactive approach that emphasizes crime prevention through deterrence. To account for the...

High-dimensional covariates often admit linear factor structure. To effectively screen correlated covariates in high-dimension, we propose a conditional variable screening test based on non-parametric regression using neural networks due to their representation power. We ask the question whether...