نتایج جستجو برای: pseudo panel

تعداد نتایج: 133951  

2017
Tim Reeskens Leen Vandecasteele

While economic downturns have adverse effects on young people's life chances, empirical studies examining whether and to what extent human values, social attitudes and well-being indicators respond to sudden economic shocks are scarce. To assess the claim that human values are less affected by economic shocks than social attitudes and well-being, two distinct yet related studies based on the Eu...

1998
Jon A Wellner Ying Zhang

We study two estimators of the mean function of a counting process based on panel count data The setting for panel count data is one in which n independent subjects each with a counting process with common mean function are observed at several possibly di erent times during a study Following a model proposed by Schick and Yu we allow the number of observation times and the observation times the...

2014
Yang Meng Alan Brennan Robin Purshouse Daniel Hill-McManus Colin Angus John Holmes Petra Sylvia Meier

The estimation of price elasticities of alcohol demand is valuable for the appraisal of price-based policy interventions such as minimum unit pricing and taxation. This study applies a pseudo-panel approach to the cross-sectional Living Cost and Food Survey 2001/2-2009 to estimate the own- and cross-price elasticities of off- and on-trade beer, cider, wine, spirits and ready-to-drinks in the UK...

2005
Jon A. Wellner Ying Zhang

We consider estimation in a particular semiparametric regression model for the mean of a counting process with “panel count” data. The basic model assumption is that the conditional mean function of the counting process is of the form E{N(t)|Z} = exp(β 0 Z)Λ0(t) where Z is a vector of covariates and Λ0 is the baseline mean function. The “panel count” observation scheme involves observation of t...

1998
Jon A. Wellner Ying Zhang

We study an estimator of the mean function of a counting process based on \panel count" data which has been proposed by Sun and Kalbbeisch (1995). The setting for \panel count data" is one in which n independent subjects, each with a counting process with common mean function, are observed at several possibly diierent times during a study. Following a model proposed by Schick and Yu (1997), we ...

2013
Zheng Tian

This paper examines the relationship between input-output linkages and industry agglomeration by combining the strength of spatial econometrics and the input-output model. This paper uses the location quotient as a measure of industrial agglomeration and regresses it on the intermediate demand variable, which is an important variable in the integrated econometric and input-output models. The na...

Fluctuations in housing prices in recent years in Iran has always been one of the most important economic issues on the economic welfare changes affect lifetime. In this paper, the effects of housing on the dynamics of income generations age is examined. This phenomenon type of model is designed to assess the generation of data building. The model is designed household budget generations by com...

Journal: :bulletin of the iranian mathematical society 2011
sh. asgari a. haghany

relative to a hereditary torsion theory $tau$ we introduce a dimension for a module $m$, called {em $tau$-rank of} $m$, which coincides with the reduced rank of $m$ whenever $tau$ is the goldie torsion theory. it is shown that the $tau$-rank of $m$ is measured by the length of certain decompositions of the $tau$-injective hull of $m$. moreover, some relations between the $tau$-rank of $m$ and c...

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