SATO, KIMITOSHI; SAWAKI, KATSUSHIGE - In: Asia-Pacific Journal of Operational Research (APJOR) 29 (2012) 06, pp. 1250037-1
In this paper, we consider an inventory model in which a firm uses the spot market for procurement in order to accomplish the minimization of total discounted costs. The model can be formulated as impulse control problem where the demand and spot price follow diffusion stochastic processes. We...