The crisis caused by the outbreak of COVID-19 revealed the global unpreparedness for handling the impact of a pandemic. In this paper, we present a first quarter chronicle of COVID-19 in Hubei China, Italy and Spain, particularly focusing on infection speed, death and fatality rates. By...

In this paper, we generate boundary value problems for ruin probabilities of surplus-dependent premium risk processes, under a renewal case scenario, Erlang (2) claim arrivals, and a hypoexponential claims scenario, Erlang (2) claim sizes. Applying the approximation theory of solutions of linear...

Trees play an important part in landscaping as well as thermal environment adjustment. This study selected a satellite city of Sichuan Province in China, Xindu, for field measurement about tree’s crown characteristics on their cooling performances on five sunny summer days during August 2019....

Entrepreneurial activity measures a country's economic vitality. Studies have examined the psychological cognitive conditions that influence women's entrepreneurial activity by considering the effects of individual psychological cognitive conditions in isolation while ignoring their...

This study investigates synergies between individual and national variables that promote opportunity and necessity entrepreneurship with a framework based on the national system of entrepreneurship. A qualitative comparative analysis of fuzzy sets of 39 country cases shows that institutional or...

In this study, we develop and empirically test a valuation model for a commonly encountered option in office leases: a tenant's option to renew at future market rent (a fair market value) with lease termination as the maturity date. The model integrates decision analysis with real options...

This study utilizes panel data from 31 Chinese provinces over the period from 2011 to 2021. The entropy method is employed to calculate comprehensive indices. An index system is developed for assessing the development level of the innovation-driven digital economy and the resilience of...