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Uncertainty vs Time and Cost

Modelling uncertainty of cost and time in infrastructure projects

Modelling uncertainty of cost and time in infrastructure projects

... estimating cost and duration of infrastructure projects is a difficult task because infrastructure projects are subject to risks and uncertainties, especially in the planning phase of the project, when very ...

346

Time–cost tradeoff analysis considering funding variability and time uncertainty

Time–cost tradeoff analysis considering funding variability and time uncertainty

... Time cost optimization; Funding variability; Time uncertainty Abstract This paper presents a linear programming model for solution of the timecost tradeoff ...for ...

9

Modeling cost and time uncertainty in rail line construction

Modeling cost and time uncertainty in rail line construction

... 7.48 Deterministic total cost and total time, 9 0 th percentiles of the total cost and total time distributions, and increases (see expression 7.13) in total cost and[r] ...

443

Climate cost uncertainty, retrofit cost uncertainty, and infrastructure closedown : a framework for analysis

Climate cost uncertainty, retrofit cost uncertainty, and infrastructure closedown : a framework for analysis

... The second way to avoid energy consumption related to existing infrastructure in period 2 is to simply abandon it, “close it down”. This is wasteful in the sense that the initial infrastructure investment was costly to ...

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Heuristic-based multiobjective time-cost optimization problem considering risk and uncertainty impact

Heuristic-based multiobjective time-cost optimization problem considering risk and uncertainty impact

... However, in these studies using the heuristic method, the researchers mainly use deterministic activity durations to model the TCT problem. TCT analysis using deterministic durations will only produce deceiving results ...

9

The uncertainty of changepoints in time series

The uncertainty of changepoints in time series

... From a modelling perspective, the model selection results presented in this thesis have assumed a uniform prior over the collection of models considered but there would be no difficulty associated with the use of more ...

237

UNCERTAINTY IN COST-EFFECTIVENESS ANALYSES: PROBABILISTIC UNCERTAINTY ANALYSIS AND STOCHASTIC LEAGUE TABLES

UNCERTAINTY IN COST-EFFECTIVENESS ANALYSES: PROBABILISTIC UNCERTAINTY ANALYSIS AND STOCHASTIC LEAGUE TABLES

... Typically, uncertainty stemming from the use of such non-sampled secondary data sources in CEA has been dealt with by sensitivity analysis 1 ...of uncertainty that is assumed for critical ...a time ...

20

Investment under Uncertainty and the Recipient of the Entry Cost

Investment under Uncertainty and the Recipient of the Entry Cost

... in time the X producers have to pay the fraction t of their instantaneous revenues to the seller of ...any time they choose and that when such a firm purchases N it must transform it to X ...the cost ...

33

Modelling of cost-functions under risk and uncertainty

Modelling of cost-functions under risk and uncertainty

... Long-run cost functions modelling is based on the premise that fi xed costs don’t exist in long time ...long-run cost function, the target variable is defi ned as average ...short time ...

8

Low Cost High Performance Uncertainty Quantification

Low Cost High Performance Uncertainty Quantification

... quadratic cost iterative refinement method to solve very large dense linear ...same time achieving performance that exceeds 73% of theoretical peak (730TFlops on 72 BG/P ...

8

Working Time and Employment under Uncertainty

Working Time and Employment under Uncertainty

... the uncertainty: investors might want to postpone their investment from period t to period t+1 in order to get more information, refine their beliefs and reduce ...opportunity cost of waiting in terms of ...

28

MANAGING UNCERTAINTY OF TIME IN AGILE ENVIRONMENT

MANAGING UNCERTAINTY OF TIME IN AGILE ENVIRONMENT

... the cost and time to develop the system, In previous used methods cost and time both get neglected in assessing the functionality which lead to uncertainty in both time and ...

10

Time-Varying Uncertainty and the Credit Channel

Time-Varying Uncertainty and the Credit Channel

... agency cost model of business cycles by including time varying uncertainty in the technology shocks that affect capital ...of uncertainty are then ...that uncertainty affects the level ...

39

Time-Varying Uncertainty and the Credit Channel

Time-Varying Uncertainty and the Credit Channel

... agency cost model of business cycles by including time varying uncertainty in the technology shocks that affect capital ...in uncertainty causes, ceteris paribus, a fall in investment ...that ...

39

Time-Varying Uncertainty and the Credit Channel

Time-Varying Uncertainty and the Credit Channel

... agency cost model of business cycles by including time varying uncertainty in the technology shocks that affect capital ...of uncertainty are then ...that uncertainty affects the level of ...

36

Uncertainty and the Cost of Bank vs  Bond Finance

Uncertainty and the Cost of Bank vs Bond Finance

... the cost of bond finance is due to an increase in bond issues and (ii) the reduction in the bank loan rate is explained by a fall in the volume of new ...the uncertainty series, I impose the prior belief of ...

43

Uncertainty and the Cost of Bank vs. Bond Finance

Uncertainty and the Cost of Bank vs. Bond Finance

... the cost of bond finance is due to an increase in bond issues and (ii) the reduction in the bank loan rate is explained by a fall in the volume of new ...the uncertainty series, I impose the prior belief of ...

43

Static-Memory-Hard  Functions,   and  Modeling  the  Cost  of  Space  vs.  Time

Static-Memory-Hard Functions, and Modeling the Cost of Space vs. Time

... sustained time to recompute the function when our static- memory-hard function is called on any subset of inputs larger than the memory used to store the preprocessed ...

52

Cost Uncertainty and Taxpayer Compliance

Cost Uncertainty and Taxpayer Compliance

... For the rest of the paper we will maintain the assumption V 0 > V y , which is necessary and sucient for the second order condition (2.8) of the taxpayer problem. This condition requires in fact that the audit eort be ...

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