Pricing Overage and Underage Penalties for Inventory with Continuous Replenishment and Compound Renewal Demand via Martingale Methods

نویسندگان

  • Junmin Shi
  • Benjamin Melamed
  • Michael N. Katehakis
چکیده

This paper addresses the inventory penalty pricing problem under risk-neutral valuation principle. In particular, we consider an inventory driven by a constant replenishment rate and compound renewal demand stream (iid demand inter-arrival time and iid demand quantity), and subject to overage penalties and underage penalties. Our solution approach treats the inventory penalties of overage and underage as a series of American options and constructs auxiliary martingale processes in term of inventory process. We provide a necessary and sufficient martingale condition for general compound renewal demands. For the case with compound Poisson demands, explicit expressions of penalty functions for the underage and overage are obained.

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تاریخ انتشار 2011