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uncertainty
(1490 results)
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White Papers
Fit Does Matter! An Empirical Study On Product Fit Uncertainty In Online Marketplaces
September 6, 2010 12:00am PDT
This paper examines the antecedents and consequences of product uncertainty in online marketplaces by conceptualizing the dimensions of product uncertainty - description uncertainty (identifying...
Provided by: Temple University
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White Papers
Decomposing Federal Funds Rate Forecast Uncertainty Using Real-time Data
February 18, 2009 12:00am PST
This paper uses real-time data for the U.S. to estimate out-of-sample forecast uncertainty about the Federal Funds Rate. By combining a Taylor rule with an unobserved components model of economic...
Provided by: Munich Personal Repec Archive
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White Papers
Does Uncertainty Impact Money Growth? A Multivariate GARCH Analysis
August 1, 2007 12:00am PDT
The impact of uncertainty on money growth has occupied a prominent place in monetary policy analysis in recent years. Some papers examining this issue use ad hoc estimates and measure variability...
Provided by: Central Bank of Ireland
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Software
Uncertainty Quantification Journal 1.0 (Mobile)
October 21, 2011 12:00am PDT
The International Journal for Uncertainty Quantification disseminates information of permanent interest in the areas of analysis, modeling, design and control of complex systems in the presence of...
Provided by: Begell House Publisher, Inc
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White Papers
Resolving Macroeconomic Uncertainty In Stock And Bond Markets
June 1, 2007 12:00am PDT
This paper establishes an empirical link between the ex-ante uncertainty about macroeconomic fundamentals and the ex-post resolution of this uncertainty in financial markets. It measures...
Provided by: Duke University (Fuqua-Global)
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White Papers
The Relationship Between Inflation, Output Growth, And Their Uncertainties: Evidence From Selected CEE Countries
November 29, 2010 12:00am PST
In this paper, the authors examine causal relationships among inflation rate, output growth rate, inflation uncertainty and output uncertainty for ten Central and Eastern European transition...
Provided by: Munich Personal Repec Archive
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White Papers
Uncertainty Modeling and Reduction in MANETs
August 11, 2010 12:00am PDT
Evaluating and quantifying trust stimulates collaboration in Mobile Ad hoc NETworks (MANETs). Many existing reputation systems sharply divide the trust value into right or wrong, thus ignoring...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Impact of Noise Power Uncertainty on Cooperative Spectrum Sensing in Cognitive Radio Systems
June 1, 2010 12:00am PDT
One of the main challenges in Cognitive Radio (CR) communications lies in the system robustness to uncertainties. In this paper, the authors examine the impact of the noise power uncertainty on...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
SNR Wall and Cooperative Spectrum Sensing in Cognitive Radio Under Noise Uncertainty
May 29, 2010 12:00am PDT
Cooperative energy spectrum sensing has been proved effective to detect the spectrum holes in Cognitive Radio (CR). However, its performance may suffer from the noise uncertainty, which is...
Provided by: Tsinghua University
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White Papers
SNR Wall and Cooperative Spectrum Sensing in Cognitive Radio Under Noise Uncertainty
May 29, 2010 12:00am PDT
Cooperative energy spectrum sensing has been proved effective to detect the spectrum holes in Cognitive Radio (CR). However, its performance may suffer from the noise uncertainty, which is...
Provided by: Tsinghua University
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White Papers
Financial Uncertainty And Business Investment
August 1, 2008 12:00am PDT
The paper seeks to contribute to the empirical analysis of financial uncertainty and investment from a Post Keynesian perspective. The paper uses the volatility of the exchange rate, the...
Provided by: Vienna University
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White Papers
Network Design Under Demand Uncertainty
July 1, 2008 12:00am PDT
A methodology for network design under demand uncertainty is presented. The uncertainty is caused by the dynamic nature of the IP-based traffic which is expected to be transported directly over...
Provided by: National Electronics and Computer Technology Center (NECTEC)
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White Papers
Underpricing And Ex-Post Value Uncertainty
November 1, 2007 12:00am PDT
As documented by a vast empirical literature, IPOs are characterized by underpricing. A number of papers have shown that underpricing is directly related to the amount of ex-ante uncertainty...
Provided by: Rutgers, State University of New Jersey
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White Papers
Welfare-Maximizing Monetary Policy Under Parameter Uncertainty
April 12, 2007 12:00am PDT
This paper examines welfare-maximizing monetary policy in an estimated micro-founded general equilibrium model of the U.S. economy where the policymaker faces uncertainty about model parameters....
Provided by: Federal Reserve Board
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White Papers
Mobility Reduces Uncertainty in MANETs
January 17, 2007 12:00am PST
Evaluating and quantifying trust stimulates collaboration in Mobile Ad hoc NETworks (MANETs). Many existing reputation systems sharply divide the trust value into right or wrong, thus ignore...
Provided by: Florida Atlantic University
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White Papers
Uncertainty And The Dynamics Of R&D
January 1, 2007 12:00am PST
Uncertainty varies strongly over time, rising by 50% to 100% in recessions and by up to 200% after major economic and political shocks. This paper shows that higher uncertainty reduces the...
Provided by: National Bureau of Economic Research
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White Papers
Real Time Representation Of The UK Output Gap In The Presence Of Trend Uncertainty
August 1, 2006 12:00am PDT
This paper describes an approach that accommodates in a coherent way three types of uncertainty when measuring the output gap. These are trend uncertainty (associated with the choice of model and...
Provided by: University of London
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White Papers
Real-Time Model Uncertainty In The United States: "Robust" Policies Put To The Test
May 22, 2006 12:00am PDT
Over the past decade or so, the subject of the appropriate response of monetary policy to uncertainty has resurfaced. The original literature spearheaded by Brainard (1967) has been broadened to...
Provided by: Canadian Economics Association
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Blog Posts
Update your FreeBSD software with care
November 9, 2009 7:50am PST
Updating software can be a frightening experience, full of trepidation and uncertainty. A clear set of steps to take can remove some of that uncertainty from software updates on FreeBSD.
10 Latest comment by Skyebug
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White Papers
Querying Moving Objects With Uncertainty in Spatio-Temporal Databases
January 14, 2011 12:00am PST
Spatio-temporal uncertainty is a special feature of moving objects due to the inability of precisely capturing or predicting their continuously changing locations. Indeterminate locations of...
Provided by: University of Florida
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