Search results for "characteristics"
showing 10 items of 909 documents
Nonfinancial defined contribution pension schemes: is a survivor dividend necessary to make the system balanced?
2013
The survivor dividend, at a specific age, is the portion of participants’ credited account balances that is distributed on a birth cohort basis from the account balances of participants who do not survive to retirement. This article develops a model to show whether it would be justified to include the survivor dividend in the calculation of affiliate pension balances. The main findings are that the survivor dividend has a strong financial basis which enables the macro contribution rate applied to be the same as the individual credited rate, and that including the survivor dividend in the calculation of the initial pension is not irrelevant because the initial pension could rise by up to 21.…
Efectos del control del comportamiento en el desempeño del vendedor. La visión del jefe de equipo de ventas
2008
Resumen El control de la fuerza de ventas se ha venido realizando habitualmente en base a los resultados que estos obtienen en el desarrollo de sus actividades. No obstante, la aplicacion del enfoque relacional en el ambito del marketing implica la realizacion de un control sobre el comportamiento del vendedor. El presente articulo analiza este tipo de control y su efecto sobre la profesionalidad y el desempeno de los vendedores desde la vision del jefe de equipo de ventas. Asi, se ha recurrido a los modelos de ecuaciones estructurales, mas especificamente se emplea el PLS a fin de analizar las caracteristicas psicometricas de las escalas y las relaciones entre los conceptos planteados.
Calculating Hedonic Price Indices with Unobserved Product Attributes: An Application to the UK Car Market
2006
We show that hedonic price indices that omit model-specific unobservable product attributes are subject to considerable bias. We utilize a complete panel of new car versions marketed in the UK over 1971–98 which incorporates over 100 observable product characteristics, sales weighting to capture the distribution of purchases across models, and model-specific fixed effects to account for unobservable characteristics. We find that quality-adjusted prices obtained from hedonic regressions that do not account for unobservable characteristics exhibit a severe downward bias. We also show that quality-adjusted prices exhibit distinct sub-market differences having increased in ‘mass production’ seg…
How communities' perceptions of disasters influence disaster response: managing landslides on Mount Elgon, Uganda
2014
The aim of this paper is to assess the role of people's perception in disaster management. It is based on a study carried out along the slopes of Mount Elgon in Eastern Uganda. People living in the study area have experienced a number of landslides, but the landslide in 2010 had the most far-reaching effects on community livelihoods and resulted in a major setback to development efforts in the area. Experiences of landslides have enabled the local people to develop a number of interpretations of the causes and effects of the phenomena. The study revealed that community members did not share uniform perceptions. Whereas some members advanced technical or physical explanations for the 2010 di…
Inequalities in mortality in small areas of eleven Spanish cities (the multicenter MEDEA project)
2009
The objectives of this study are to identify inequalities in mortality among census tracts of 11 Spanish cities in the period 1996-2003 and to analyse the relationship between these geographical inequalities and socioeconomic deprivation. It is a cross-sectional ecological study where the units of analysis are census tracts. We obtained an index of socioeconomic deprivation and estimated SMR by each census tract using hierarchical Bayesian models which take into account the spatial structure. In the majority of the cities geographical patterns in total mortality were found in both sexes, which were similar to those for the index of socioeconomic deprivation. Among men, four specific causes …
Persistence of low back pain reporting among a cohort of employees in a metal corporation: A study with 5-, 10-, and 28-year follow-ups
2005
Low back pain (LBP) is a common symptom among adults but little is known about its persistence over time in defined populations. The aim of this study was to examine the persistence of LBP among a cohort of industrial employees studied in four successive surveys during a total of 28 years. Cross-tabulations and logistic regression was used to estimate the interdependence of LBP occurrence at the surveys. At baseline, 54% of the subjects reported local LBP and 25% LBP radiating to the lower limb(s). Persistent or recurrent LBP was common. Of those with LBP at baseline, 75, 73, and 88% reported it also at the 5-, 10- or 28-year follow-up, respectively. Of those with radiating pain, 66, 65, an…
Emotional arousal modulates the encoding of crime-related details and corresponding physiological responses in the Concealed Information Test
2011
Previous studies demonstrated that concealed crime-related memories can be validly identified using the Concealed Information Test (CIT). However, its field applicability is still debated, and it is specifically unknown how emotional arousal during a crime would influence CIT results. In the current study, emotional arousal during a mock crime and the time delay between mock crime and CIT examination were manipulated. At the immediate and the delayed CIT occasion, central crime details were better remembered than peripheral ones and enhanced emotional arousal further reduced memory for peripheral information. Electrodermal, respiratory, and cardiovascular responses to central crime details …
A standard-compliant prototype for PV module curve detection
2014
In this paper, a prototype for PV module curve detection which features low cost and size and ensures high accuracy is proposed. The proposed architecture is based on a buck-boost converter in open-loop configuration. The proposed architecture is fully compliant with actual standard IEC60904. The duty-cycle control algorithm and its own effects on system performances are accurately investigated. The comparison of different duty-cycle patterns is carried out and performance evaluation is performed. Simulation results are shown to perform a valuable comparison of control algorithms. Preliminary experimental results on a laboratory prototype are presented.
Corrigendum to “A procedure to calculate the five-parameter model of crystalline silicon photovoltaic modules on the basis of the tabular performance…
2014
Only few manufactures provide the wide set of graphical data that are necessary to use high performance predictive tools for PV systems. On the other hand, reliable graphical data require accurate laboratory measurements that increase manufacturing costs. For this reason PV system designers have to choose between the use of cheap PV modules, lacking in technical data, and the reliable energy predictions that are possible only if the current–voltage characteristics are provided by the PV module manufacturers. This paper describes the procedure to evaluate the parameters of a one-diode equivalent circuit able to accurately epresent the electrical behaviour of a PV panel by means of the minimu…
A procedure to calculate the five-parameter model of crystalline silicon photovoltaic modules on the basis of the tabular performance data
2013
Abstract Only few manufactures provide the wide set of graphical data that are necessary to use high performance predictive tools for PV systems. On the other hand, reliable graphical data require accurate laboratory measurements that increase manufacturing costs. For this reason PV system designers have to choose between the use of cheap PV modules, lacking in technical data, and the reliable energy predictions that are possible only if the current–voltage characteristics are provided by the PV module manufacturers. This paper describes the procedure to evaluate the parameters of a one-diode equivalent circuit able to accurately represent the electrical behaviour of a PV panel by means of …