Leprosy causes nerve damage which leads to repeated injuries or ulcers causing the loss or absorption of digits. The loss of digits is also common in traumatic injuries. Irrespective of the etiology, the loss of a finger has a considerable negative functional and psychological impact on an individual. In order to solve these problems, prostheses are provided to patients. This short report demon...

This paper follows up on a model described elsewhere by the authors. The model incorporates a privacy cost component to expected payoff in auctions. This is the cost, to the bidder, of the information revealed, by the bid, about the bidder’s valuation. It applies even if the sale is lost, and hence, negative pay-offs, not possible in regular auctions, are possible in auctions with privacy costs...

In actual sequential auctions, 1) bidders typically incur a cost in continuing from one sale to the next, and 2) bidders decide whether or not to continue. To investigate the question "why do bidders drop out," we define a sequential auction model with continuation costs and an endogenously determined number of bidders at each sale, and we characterize the equilibria in this model. Simple examp...

selecting an appropriate manufacturing machine is a very important and complex problem for firms, which usually have to deal with both qualitative and quantitative criteria. taking into account the differences among machines in terms of cost, speed, quality and after sale services, type and number of machines are important parameters to consider. therefore, the goal of this paper is to propose ...

This paper describes a stochastic inventory model where the control review system is periodic; demand contains auto-correlated components; and categorized as a lost sale case. The authors propose a simulationbased optimization based on using a combination of simulated annealing, pattern search, and ranking and selection methods to search and approximate solutions to this problem. Simulated anne...

We model a retailer’s assortment planning problem under a ranking-based choice model of consumer preferences. Under this consumer choice model each customer belongs to a type, where a type is a ranking of the potential products by the order of preference, and the customer purchases his highest ranked product (if any) offered in the assortment. In our model we consider products with different pr...