Showing 21 - 27 of 27
This thesis lies at the intersection of mathematics, finance and numerical methods. The financial question of how to model credit risk, specifically corporate bond defaults, and how to model correlations between defaults, motivates our study of the mathematics behind a specific kind of credit...
Persistent link: https://www.econbiz.de/10012846216
This impact of the COVID-19 on state-owned enterprises (SOEs) and non state-owned enterprises (NSOEs) are different. In addition, the benefits obtained by SOEs and NSOEs through value-added tax (VAT) reduction policy are not the same as well. COVID-19 adversely affect Chinese listed firms but...
Persistent link: https://www.econbiz.de/10014239618
Mulching and biochar are increasingly used individually in agriculture, but little is known about their combined effects on N2O distribution and dispersion in ridge and furrow profiles. We conducted a 2-year field experiment in northern China to determine soil N2O concentrations using the in...
Persistent link: https://www.econbiz.de/10014361184
In this paper, I examine how labor shortage affects hiring-return relationship. I construct firm-year level measure of labor shortage using textual analysis of firms' SEC fillings. I show that the negative relationship between firm's hiring rate and its future return is only significant for...
Persistent link: https://www.econbiz.de/10014349824
This study examines the effect of industry cash flow volatility on the risks of stock price crash by investigating Chinese A-share listed companies from 2005 to 2015. Findings reveal that increases in the degree of volatility in industry cash flow significantly increase the risk of a stock price...
Persistent link: https://www.econbiz.de/10014256446
Although saline aquatic ecosystems are important emitters of greenhouse gases (GHGs), dynamic changes in GHGs at the sediment-water interface remain unclear. This study conducted four sampling campaigns in Daihai Lake, a eutrophic saline lake in a semi-arid region of northern China. The aim of...
Persistent link: https://www.econbiz.de/10014260370
Persistent link: https://www.econbiz.de/10015071050