A stock loan is a special loan with stocks as collateral, which offers the borrowers the right to redeem the stocks on or before the maturity (Xia and Zhou, 2007; Dai and Xu, 2011). We investigate pricing problems of both infinite- and finite-maturity stock loans under a hyper-exponential jump...

This paper considers a non-autonomous competitive two-species model with stage structure in one species. The conditions of permanence obtained. Furthermore, the existence and asymptotic stability of the periodic solution are proved under some assumptions if this model turns out to be a periodic...

Environmental regulations are important drivers making organizations take their environmental performance seriously. Environmental regulatory mechanisms include ‘carrots’ or ‘sticks’—they can be incentive or coercive-based. The question exists on which type of mechanism would be most...

Cooperative government-enterprise stockpiling for drugs in shortage can reduce the inventory risks and cost constraints the government faces in independent stockpiling. Existing research, however, has not taken into account the rotation cycle and the decline in the value of the drugs that are...