Dictionary of Procurement Terms

Welcome to the NIGP Online Dictionary of Procurement Terms, the comprehensive reference for public purchasing terms and concepts.

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Search Results: 41-50 of 131 results for “D”

  • Delivery/Definite

    Terms utilized when a specific requirement quantity and delivery date have been established. This is the most common type of delivery requirement. Common examples include one-time purchase orders and capital outlays.

  • Delivery/Indefinite

    Contract does not specify delivery dates. Terms are suitable for commodity purchases, products which are standard throughout the industry with numerous suppliers. All of the indefinite delivery types of clauses should be used only with fixed firm price or fixed price with escalation pricing contracts. The following are three variations of indefinite delivery contracts: 1. Indefinite delivery with a definite quantity - occurs when a quantity of supplies or services is specified, but the time of delivery is flexible. Used when requirements are definite or have a short lead time. 2. Indefinite quantity and delivery - is used to establish a minimum and maximum quantity that can be ordered within a definite delivery period. This contract requirement is flexible in terms of both quantity and delivery schedule. 3. Requirement delivery - is used when the public entity agrees to purchase all requirements for a certain period of time from the supplier. Used when the quantity of items and the number of deliveries is unspecified; thereby differentiating it from a definite type of contract, since specific quantities have not been established.

  • Delphi Method

    A forecasting method that utilizes a panel of experts who are polled repetitively in writing or over the Internet to develop a consensus prediction of future anticipated conditions. (Business, 2002)

  • Demand

    The willingness and ability to buy specific quantities of goods at alternative prices in a given time period. (Schiller, 2000)

  • Demand Analysis

    An all-inclusive method conducted to quantify, with reasonable accuracy, the anticipated agency material requirements that will be needed to support the agency’s operations.

    See Also: Market Analysis, Supplier Analysis

  • Demand Contract

    A binding legal agreement that links spend data by dates and allows for rebates and discounts through automated contract management systems. Pricing is based on historical usage. A contract under which a contractor/supplier agrees to provide goods or services to a purchaser on a demand basis.

    See Also: Market Analysis, Blanket Order

  • Demand Curve

    A curve describing the quantities of a good a consumer is willing and able to buy at alternative prices in a given time period. (Schiller, 2000)

  • Demand Deposit

    An amount on deposit in a checking account. (Schiller, 2000)

  • Demand Elasticity

    An economic term used to describe the sensitivity of demand to price changes. An example is the impact on demand of price changes in petroleum products. (Schiller, 2000)

  • Demand Level

    The amount of inventory required for a given item.

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