Semiparametric linear regression with censored data and stochastic regressors

We propose three new estimation procedures in the linear regression model with randomly-right censored data when the distribution function of the error term is unspecified, regressors are stochastic and the distribution function of the censoring variable is not necessarily the same for all observations ("unequal censoring"). The proposed procedures are derived combining techniques which produce accurate estimates with "equal censoring" with kernel-conditionalı Kaplan-Meier estimates. The performance of six estimation procedures (the three proposed methods and three alternative ones) is compared by means of some Monte Carlo experiments

Supermarket Selection by Singles in the Midwest

This study focused on the attributes singles aged 25 to 39 want in stores. Young single without children were mailed a survey about their supermarket attribute preferences and shopping and eating habits. Most of their preferences were similar to national averages. However, some common preconceptions were not supported.Supermarket customers, Market segmentation, Consumer/Household Economics,

Regional evidence on the effect of the National Minimum Wage on the gender pay gap

We study the evidence of change in the gender wage gap across regions around the introduction of the National Minimum Wage (NMW) in Britain. As the proportion of low paid workers continued to vary across British regions, so did the relative share of men and women paid below the NMW before its introduction. This variation provides a "quasi" natural experiment with which to try and measure the effect of the introduction of the NMW. Using difference-in-differences type estimation, we conclude that there is variation in the narrowing of the overall gender pay gap across regions, consistent with regional differences in the incidence and magnitude of low pay.gender wage gap, difference-in-differences

Analisis Keruangan Dan Persebaran Keberadaan Vertical Garden Terhadap Distribusi Suhu Di Kota Surakarta

The city of Surakarta is a very densely populated city, with a large building area and has a limited open space. One of the possible effects is the increase in temperature in the area that can make reduce comfort sense of the region. The temperature and humidity determine a comfortable place. problem solving that has a large awakened and the limited Space Open Green is the Vertical Garden. The definition of a vertical garden is an embodiment of an open green space that has, a model or a plant system that uses an media upright field as a plant. The purpose of this study is to knowing temperatured distribution the vertical gardens in Surakarta and to understand the effects of vertical parks on the temperature distribution in Surakarta. The method used in this research is a snowball method to obtain information related to the location and influence of vertical gardens in Surakarta. The way in which analysis is used is the spatial analysis of spatial, comparative and associations and use temperature index index to determine the comfort of the area. This research result is the vertical garden that spread in Surakarta City and understand the effect of vertical gardens into the temperature distribution. Vertical gardens are maximized to reduce temperature and humidity that can change the micro system in this area, applying vertical parks as the right natural resource management and one of the elements to create a smart city or smart city

Differentiated Products Demand Systems from a Combination of Micro and Macro Data: The New Car Market

In this paper, we consider how rich sources of information on consumer choice can help to identify demand parameters in a widely used class of differentiated products demand models. Most important, we show how to use “second‐choice” data on automotive purchases to obtain good estimates of substitution patterns in the automobile industry. We use our estimates to make out‐of‐sample predictions about important recent changes in industry structure.Economic

Pengaruh Pengumuman Right Issue Terhadap Kinerja Saham Dan Likuiditas Saham Di Bursa Efek Indonesia

The objectives of this research is to know influence announcement of right issue to stock performance and stock liquidity company in Bursa Efek Indonesia (BEI) at period 2000-2007. This research use technique purposive sampling that obtained sampel counted 55 company. Analysis use statistical examination constructively SPSS program 11.50. In analysing to be used paired sample t test. As well as used one sample statistic to know information content around announcement right. The result indicates that first, there are difference of stock return mean. Stock return was decline after announcement right issue. Second, there are difference of abnormal return mean Abnormal return was decline after announcement right issue. Third, there are difference of trading volume activity mean. Trading volume activity was increase after announcement right issu

The Energetic Gamma-Ray Experiment Telescope (EGRET) Science Symposium

The principle purpose of this symposium is to provide the EGRET (Energetic Gamma-Ray Experiment Telescope) scientists with an opportunity to study and improve their understanding of high energy gamma ray astronomy. The Symposium began with the galactic diffusion radiation both because of its importance in studying galactic cosmic rays, galactic structure, and dynamic balance, and because an understanding of its characteristics is important in the study of galactic sources. The galactic objects to be reviewed included pulsars, bursts, solar flares, and other galactic sources of several types. The symposium papers then proceeded outward from the Milky Way to normal galaxies, active galaxies, and the extragalactic diffuse radiation

La competencia de liderazgo en el grado de enfermería: Un análisis factorial de componentes principales

L'aspecte competencial està cada dia més present en la societat, des dels nivells acadèmics als laborals. D'una bona base en l'adquisició de competències en depèn una bona part l'èxit professional dels graduats, per això l'anàlisi per potenciar la seva adquisició s'ha convertit en un tema d'estudi recurrent, tant en l'aspecte de les competències bàsiques/transversals, com en el de les específiques. Les darreres seran les que tindran una incidència diferent en funció del tipus d'estudi, al mateix temps que experimentaran variacions importants en funció dels reptes i projectes innovadors que les organitzacions hagin d'afrontar. Entre las primeres, una de les competències que exerceix un paper primordial, i en la que s'ha centrat l'estudi, és la capacitat de lideratge. En concret, aquest treball analitza com perceben i adquireixen la capacitat de lideratge els estudiants d'infermeria de la Universitat de Barcelona, ja que els resulta fonamental per exercir la influència en un grup i per aconseguir les metes proposades. Per això es va preparar un qüestionari amb 70 preguntes que recollien les competències transversals i específiques adquirides en el procés d'aprenentatge, així com l'actitud de l'estudiant davant del procés d'aprenentatge. La població subjecte d'estudi van ser els estudiants del grau d'infermeria de la Universitat de Barcelona durant el curs acadèmic 2012-2013; i la tècnica de mostreig seleccionada va ser el mostreig incidental. El treball aplica l'anàlisi multivariant per reduir la dimensionalitat de les variables estudiades. En concret, l'anàlisi factorial mitjançant components principals ha permès identificar els aspectes que resumeixen i agrupen les 20 variables estudiades en 4 factors: capacitació per a la professionalització, treball autònom, capacitat crítica i presa de decisions en equips. Posteriorment, a partir de les puntuacions d'aquests quatre factors i amb la inclusió de les variables edat, sexe i procedència, es va construir un model de regressió logísticomultinomial. Els resultats obtinguts indiquen que els quatre factors influeixen positivament a l'hora d'incrementar la probabilitat de passar d'una capacitat de lideratge d'un nivell nul a un nivell mig, mentre que en l'increment de la probabilitat de pas d'una capacitat de lideratge nul·la a una d'elevada només els tres darrers factors tenen influènci