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Material value-the material values scale (MVS) developed by Richins and Dawson (1992) to examine materialism as a facet of consumer behavior. This research examines the MVS in light of the accumulated evidence concerning this measure. A review of published studies reporting information about the scale and analysis of 15 raw data sets that contain the MVS and other measures revealed that the MVS performs well in terms of reliability and empirical usefulness, but the dimensional structure proposed by Richins and Dawson is not always evident in the data. This article proposes a 15-item measure of the MVS that has better dimension properties than the original version. It also reports the development of a short version of the MVS. Scale lengths of nine, six, and three items were investigated. Results indicate that the nine-item version possesses acceptable psychometric properties when used to measure materialism at a general level. This article also describes a psychometric approach for developing shorter versions of extant multiitem measures.
Economic order of quantity-Economic order quantity (EOQ) is the ideal order quantity a company should purchase to minimize inventory costs such as holding costs, shortage costs, and order costs. This production-scheduling model was developed in 1913 by Ford W. Harris and has been refined over time.1 The formula assumes that demand, ordering, and holding costs all remain constant.
type of wastage-Waste comes in many different forms and may be categorized in a variety of ways. The types listed here are not necessarily exclusive and there may be considerable overlap so that one waste entity may fall into one to many types.
Agricultural waste
Animal by-products
Biodegradable waste
Biomedical waste
Bulky waste
Business waste
Chemical waste
Clinical waste
Coffee wastewater
Commercial waste
Composite waste
Construction and demolition waste (C&D waste)
Consumable waste
Controlled waste
Demolition waste
Dog waste
Domestic waste
Electronic waste (e-waste)
Food waste
Gaseous wastes
Green waste
Grey water
Hazardous waste
Household waste
Household hazardous waste
Human waste
Sewage sludge
Industrial waste
Slag
Fly ash
Sludge
Inert waste
Inorganic waste
Kitchen waste
Litter
Liquid waste
Marine debris
Medical waste
Metabolic waste
Mineral waste
Mixed waste
Municipal solid waste
Nuclear waste (see Radioactive waste)
Organic waste
Packaging waste
Post-consumer waste
Radioactive waste
Low level waste
High level waste
Mixed waste (radioactive/hazardous)
Spent nuclear fuel
Recyclable waste
Residual waste
Retail hazardous waste
Sewage
Sharps waste
Ship disposal
Slaughterhouse waste
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