Natural and technology-induced disasters have posed significant threats to human life all around the world caused many damages losses so far. The current study addresses a location-routing problem make an efficient timely distribution plan in response possible earthquake. This considers uncertainty such parameters as demand, access routes, travel time, number of available vehicles. To deal with...

Seven patients with proptosis, chemosis, diplopia, and elevated intraocular pressure were found to have dural arteriovenous malformations with drainage into the cavernous sinus and superior ophthalmic vein. These patients had sufficient symptoms to justify therapeutic embolization with polyvinyl alcohol. Five of seven patients had complete resolution of their ophthalmic symptoms after embolizat...

How should a seller price her goods in a market where each buyer prefers a single good among his desired goods, and will buy the cheapest such good, as long as it is within his budget? We provide efficient algorithms that compute near-optimal prices for this problem, focusing on a commodity market, where the range of buyer budgets is small. We also show that our LP rounding based technique easi...

One of the important socioeconomic tasks of governments is regulation. Regulation literature focuses on government intervention in the market for regulating the amount of production and distribution of a commodity, which can lead to the determination of the structure and rules governing the market. A commodities exchange is one of the most important regulatory agencies, which, by providing a co...

BACKGROUND An important consideration in determining the ability of fortified food-aid commodities to meet the nutritional needs of beneficiaries is the manner in which commodities are utilized and prepared and the degree to which micronutrient losses occur during handling and cooking by the beneficiaries. OBJECTIVE A field study was conducted in Uganda, Malawi, and Guatemala to obtain data o...

BACKGROUND The Supply Chain Management System (SCMS) is a contract managed under the Partnership for Supply Chain Management (PFSCM) consortium by the United States Agency for International Development (USAID). SCMS procures commodities for programmes supported by the US President's Emergency Plan for AIDS Relief (PEPFAR). From 2005 to mid-2012, PEPFAR, through SCMS, spent approximately $384 mi...

Learning processes lie at the heart of our understanding of how firms build capabilities to generate and sustain competitive advantage: learning by doing, learning by exporting, learning from competitors, users, and alliance partners. In this paper we focus attention on another locus of learning that has received less attention from academics despite popular interest: learning by supplying. Usi...