نتایج جستجو برای: طبقه‌بندی ژل: O15

تعداد نتایج: 6549  

2000
Jeremy Rudd Alan Blinder Anne Case Ken Chay Michael Greenstone

This paper examines whether the average level of human capital in a region affects the earnings of an individual residing in that region in a manner that is external to the individual’s own human capital. I find little evidence of an external effect of human capital, which suggests that human capital spillovers of the form postulated by the new growth literature are unlikely to matter much in p...

2011
Laura Zimmermann

Reconsidering Gender Bias in Intra-Household Allocation in India Detecting gender discrimination among children in the intra-household allocation of goods from household surveys has often proven to be difficult. This paper uses some of the commonly used techniques in this field to analyze education expenditures in India. Contrary to most previous research, I find evidence of discrimination agai...

2015
John Gibson David McKenzie Halahingano Rohorua Steven Stillman

The Long-Term Impacts of International Migration: Evidence from a Lottery* We examine the long-term impacts of international migration by comparing immigrants who had successful ballot entries in a migration lottery program, and first moved almost a decade ago, with people who had unsuccessful entries into those same ballots. The long-term gain in income is found to be similar in magnitude to t...

2009
Sarmistha Pal

Public Infrastructure, Location of Private Schools and Primary School Attainment in an Emerging Economy The paper argues that access to public infrastructure plays a crucial role on the presence of private schools in a community, as it could not only minimise the cost of production, but also ensure a high return to private investment. Results using community, school and child/household-level PR...

2011
Ralitza Dimova Gil S. Epstein Ira N. Gang

Migration, Transfers and Child Labor We examine agricultural child labor in the context of emigration, transfers, and the ability to hire outside labor. We start by developing a theoretical background based on Basu and Van, (1998), Basu, (1999) and Epstein and Kahana (2008) and show how hiring labor from outside the household and transfers to the household might induce a reduction in children’s...

2006
Armando Barrientos

This paper examines retirement behaviour and household income for older persons in Chile. It pays close attention to the sources of household income, income inequalities, and the economic vulnerability of older persons. This is important in order to evaluate whether labour market and social security reform in Latin America will improve the welfare of older groups, and especially their vulnerabi...

2009
Ralitza Dimova Gil S. Epstein Ira N. Gang

Migration, Transfers and Child Labor We examine agricultural child labor in the context of emigration, transfers, and the ability to hire outside labor. We start by developing a theoretical background based on Basu and Van, (1998), Basu, (1999) and Epstein and Kahana (2008) and show how hiring labor from outside the household and transfers to the household might induce a reduction in children’s...

Journal: :Journal of clinical microbiology 2005
Lothar Beutin Jiang Tao Lu Feng Gladys Krause Sonja Zimmermann Kerstin Gleier Qiuyu Xia Lei Wang

A collection of 33 Escherichia coli serogroup O15 strains was studied with regard to O:H serotypes and virulence markers and for detection of the O-antigen-specific genes wzx and wzy. The strains were from nine different countries, originated from healthy or diseased humans and animals and from food, and were isolated between 1941 and 2003. On the basis of virulence markers and clinical data th...

2006
Armando Barrientos

This paper examines retirement behaviour and household income for older persons in Chile. It pays close attention to the sources of household income, income inequalities, and the economic vulnerability of older persons. This is important in order to evaluate whether labour market and social security reform in Latin America will improve the welfare of older groups, and especially their vulnerabi...

2006
Bjorn Gustafsson Ximing Yue IZA Bonn

Rural People’s Perception of Poverty in China Subjective Poverty Line methodology is applied to rural China 2002 using a sample from 22 provinces. Respondents were asked two questions: one on amount of food necessary and another on amount of cash necessary for their households. The respondent’s perception of how much cash is needed varies profoundly and positively by income in the county where ...

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