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Time-Phasing Rdt&E In Air Force Acquisitions, Trevor A. Bills
Time-Phasing Rdt&E In Air Force Acquisitions, Trevor A. Bills
Theses and Dissertations
Time-phasing describes the process of estimating expenditure profiles for multi-year RDT&E acquisition programs. The AFCAH states that one approach to producing a time-phased estimate is with the use of S-curve distributions. These S-curves are most typically modeled as Weibull, Rayleigh, or Beta distributions. Many prior studies have been completed to better understand which of the three distributions is best suited to time-phasing RDT&E programs, and what program characteristics significantly explain variance in the distributional parameters. Those prior studies utilized either contractor-supplied data or SARs, and typically found the Weibull to be the best performing distribution. This paper makes novel use …
A Study To Determine If Newly Developed Budget At Completion (Bac) Adjustment Factors Improve The Success Of Prevalent Index-Based Estimate At Completion (Eac) Techniques, Timothy L. Elkinton, Todd J. Gondeck
A Study To Determine If Newly Developed Budget At Completion (Bac) Adjustment Factors Improve The Success Of Prevalent Index-Based Estimate At Completion (Eac) Techniques, Timothy L. Elkinton, Todd J. Gondeck
Theses and Dissertations
The purpose of this study was to develop Budget At Completion BAC adjustment factors BAFs which, when used in conjunction with existing Estimate At Completion EAC techniques improve the success of existing EAC techniques. These factors attempted to account for changing contract requirements which are certain to occur on DoD contracts. These changing requirements often result in a need to add scope and budget to a contract or can cause contract cost overruns requiring additional budget. Improving the success of these EAC techniques is increasingly important because of the budget cuts being experienced by the DoD in todays changing economic …
Defective Pricing: An Analysis Of Factors Affecting Sustention Rates And Disposition Times, Tracey D. Kop
Defective Pricing: An Analysis Of Factors Affecting Sustention Rates And Disposition Times, Tracey D. Kop
Theses and Dissertations
Defective pricing occurs when contractors fail to disclose current, accurate, and complete cost or pricing data in their proposals. Failure to submit valid data entitles the government to a refund in the amount of overpayment. With the current backlog of overage defective pricing cases and the continuing decline in sustention rates, a better understanding of the factors affecting timely and successful recoupment of defective pricing funds is needed. This research identifies factors which significantly affect sustention rates and disposition times and presents models to predict both rates and times. Factors were identified through a literature review and interviews with defective …