نتایج جستجو برای: tobit analysis

تعداد نتایج: 2824775  

2008
Peng Liu

This article explores the impact of English proficiency on labour supply of recent immigrants in Australia. Previous research has shown that English ability is important for participation and employment, however little research has been done with respect to hours worked. This study uses the second cohort of the Longitudinal Survey of Immigrants to Australia (LSIA) data to estimate a random effe...

1999
Ryuichi Kitamura Toshiyuki Yamamoto Satoshi Fujii Srikanth Sampath

A discrete-continuous choice model of time allocation to two types of discretionary activities is formulated based on the concept of random utility maximization. The model development takes into account the discreteness inherent in daily activity engagement and time allocation (i.e., one type of activity may not be engaged, therefore no time may be allocated to it at all, during a day). Without...

2012
Fabiola Del Greco Cristian Pattaro Cosetta Minelli Peter P. Pramstaller John R. Thompson

Biological quantitative data are subjected to censoring when a portion of values cannot be quantified because they are smaller or greater than the limit of detection (LOD) of the laboratory assay. In genetic association studies of quantitative trait, the handling of censored data has received little attention and often the solutions are unsatisfactory. However, the approach used to deal with su...

2016
Xu Wang Liyan Han Libo Yin

In this study, we analyze the environmental efficiency performance and its determinants of 29 manufacturing industries in China from 2006 to 2011 by employing a two-stage DEA (data envelopment analysis)-Tobit model. For providing comparative and robust evidence, the 29 manufacturing industries are classified into three groups based on the pollution intensity. In the first stage, a SBM (slacks-b...

2004
Jay H. Lubin Joanne S. Colt David Camann Scott Davis James R. Cerhan Richard K. Severson Leslie Bernstein Patricia Hartge

Quantitative measurements of environmental factors greatly improve the quality of epidemiologic studies but can pose challenges because of the presence of upper or lower detection limits or interfering compounds, which do not allow for precise measured values. We consider the regression of an environmental measurement (dependent variable) on several covariates (independent variables). Various s...

2011

The health care sector depends to a large extent on human labour. Poor workers’ motivation can greatly affect health outcomes and patient safety. This study examines the influences of motivation on the performance of health care workers using University of llorin Teaching Hospital as case study. 150 questionnaires were administered out which 105 were returned. 59.05% of the workers experienced ...

C. U Nwaobiala K. M Okoroafor

This study analyzed the effectiveness of cassava women processors in value addition technologies in Abia State, Nigeria. Purposive and simple random sampling techniques were used to select ninety (90) women. Data for the study were collected through a structured questionnaire and analyzed with descriptive statistics such as: frequency, mean scores and percentages and inferential statistics (Tob...

Journal: :Agrimor: jurnal agribisnis lahan kering 2022

Produktivitas tanaman padi mengalami tren penurunan selama beberapa tahun terakhir di Provinsi Jawa Timur. Hal ini perlu mendapat perhatian karena merupakan makanan pokok. Penelitian bertujuan untuk mengukur efisiensi pertanian Timur dan mengetahui pengaruh faktor akses kredit, pendidikan, penyuluhan pertanian, keanggotaan kelompok tani, umur, bantuan pemerintah terhadap padi. Sumber data beras...

1998
Peter Clinch Anthony Murphy

Contingent Valuation is now the most widely used method for valuing non-marketed goods in cost benefit analysis. Yet, despite the fact that many externalities manifest themselves as costs to some and benefits to others, most studies restrict willingness to pay (WTP) to being non-negative. This paper explores appropriate welfare measures for assessing losses and gains and demonstrates how these ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید