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Full-Text Articles in Social and Behavioral Sciences

Statistical Properties Of Composite Distortions In Hfc Systems And Their Effects On Digital Channels, Ron D. Katznelson May 2002

Statistical Properties Of Composite Distortions In Hfc Systems And Their Effects On Digital Channels, Ron D. Katznelson

Ron D. Katznelson

The statistical properties of Composite Triple Beat (CTB) and Composite Second Order (CSO) distortion terms associated with the analog channels carried on Hybrid Fiber Coax (HFC) are presented. Both simulation and measurement results show that such distortion components falling on individual channels have amplitude Probability Density Function that is nearly Rayleigh distributed (having a Standard Deviation of 5.7 dB). It is shown that both CTB and CSO components have peak envelope power fluctuations that exceed their average (measured) power levels by more than 15 dB. The temporal statistical properties of these distortion components demonstrate peak envelope power fluctuations with characteristic …


Can Law And Economics Be Both Practical And Principled?, David A. Hoffman, Michael P. O'Shea Feb 2002

Can Law And Economics Be Both Practical And Principled?, David A. Hoffman, Michael P. O'Shea

David A Hoffman

This article describes important recent developments in normative law and economics, and the difficulties they create for the project of efficiency-based legal reform. After long proceeding without a well articulated moral justification for using economic decision procedures to choose legal rules, scholars have lately begun to devote serious attention to developing a philosophically attractive definition of well-being. At the same time, the empirical side of law and economics is also being enriched with an improved understanding of the complexities of individuals' decision-making behavior. That is where the problems begin. Scholars may have better, more plausible conceptions of well-being in hand, …


Unemployment Scarring In High Unemployment Regions, Claudio Lupi, Patrizia Ordine Jan 2002

Unemployment Scarring In High Unemployment Regions, Claudio Lupi, Patrizia Ordine

Claudio Lupi

This paper investigates the effect of individual unemployment experiences on re-employment wages. The empirical analysis is carried out on a panel of Italian individuals. The main result is that while in the northern regions the effect is similar to the one estimated for the UK, in the southern area of the country the impact is not significant. We link this result to the particular socio-economic environment in which the unemployment spells are experienced. We argue that this might be due to the fact that in a high unemployment environment individual unemployment experiences are perceived as "normal" and do not necessarily …


Rockets And Feathers Revisited: An International Comparison On European Gasoline Markets, Marzio Galeotti, Alessandro Lanza, Matteo Manera Jan 2002

Rockets And Feathers Revisited: An International Comparison On European Gasoline Markets, Marzio Galeotti, Alessandro Lanza, Matteo Manera

Matteo Manera

This paper re-examines the issue of asymmetries in the transmission of shocks to crude oil prices onto the retail price of gasoline. Relative to the previous literature, the distinguishing features of the present paper are: i) use of updated and comparable data to carry out an international comparison of gasoline markets; ii) two-stage modeling of the transmission of oil price shocks to gasoline prices (first refinery stage and second distribution stage), in order to assess possible asymmetries at either one or both stages; iii) use of asymmetric error correction models to distinguish between asymmetries that arise from short-run deviations in …


Characterization Of Different Reactive Lysines In Bovine Heart Mitochondrial Porin. Al Jamal Ja, Philadelphia University Jan 2002

Characterization Of Different Reactive Lysines In Bovine Heart Mitochondrial Porin. Al Jamal Ja, Philadelphia University

Philadelphia University, Jordan

No abstract provided.