نتایج جستجو برای: labor

تعداد نتایج: 70551  

بیگلریان, اکبر, تولائی, حسین, رفیعی, حسن,

Objective: Social problems prohibit accomplishment of social development, or at least delay its process. Child labor is one of the social problems. Poverty has a substantial effect in creation and stability of child labor. In this study, we surveyed correlations between child labor and social development at two distinct times to find the direction of their relationship. Method: This is a c...

2010
Andreas Peichl Sebastian Siegloch

Accounting for Labor Demand Effects in Structural Labor Supply Models When assessing the effects of policy reforms on the labor market, most studies only focus on labor supply. The interaction of supply and demand side is not explicitly modeled, which might lead to biased estimates of potential labor market outcomes. This paper proposes a straightforward method to remedy this shortcoming. We us...

Journal: :Anesthesiology 2009
Jozef Debiec Jessamyn Conell-Price Jennifer Evansmith Steven L Shafer Pamela Flood

BACKGROUND Patient characteristics may contribute to the progress and pain of labor. Quantitative evaluation of the effects of patient characteristics requires robust mathematical models of labor progress and labor pain. METHODS The authors retrospectively studied 100 sequential deliveries from each of five self-reported ethnic groups (Asian, Black, Hispanic, Other, and White). Demographic va...

2014
Enayatollah HOMAIE RAD Mohamad HADIAN Hanie GHOLAMPOOR

BACKGROUND Skilled labor force is very important in economic growth. Workers become skilled when they are healthy and able to be educated and work. In this study, we estimated the effects of health indicators on labor supply. We used labor force participation rate as the indicator of labor supply. We categorized this indicator into 2 indicators of female and male labor force participation rates...

Journal: :acta medica iranica 0
"modares gilani m peikari n ziai s faghihzadeh b "

to evaluate the maternal serum dehydroepiandrosterone (dhea) sulfate levels as a factor influencing labor ‘efficiency’ at term and unsuccessful labor induction. this is a prospective study. in this study the mean (± standard error) maternal serum dhea sulfate levels of 90 singleton pregnant women in 3 groups with spontaneous labor, need for augmentation and need for induction were compared.preg...

Journal: :iranian journal of nursing and midwifery research 0
mahboubeh valiani mehri rezaie zahra shahshahan

abstract background: labor is a physiologic process, and consideration of labor pain and relieving that is among the major components of maternal care. application of some labor position can lay the fetus better in pelvic canal direction. the present study aimed to investigate the effect of laying the mother in three labor positions on the pain severity in the second, third, and fourth stages o...

2009
Daron Acemoglu

This paper studies whether labor scarcity encourages technological advances, i.e., technology adoption or innovation, for example, as claimed by Habakkuk in the context of 19th-century United States. I de…ne technology as strongly labor saving if technological advances reduce the marginal product of labor and as strongly labor complementary if they increase it. I show that labor scarcity encour...

2015
Jessie Jiaxu Wang

I study asset prices in a two-agent production economy in which the worker has private information about her labor productivity. The shareholder offers an incentive compatible long-term labor contract, which partially insures the worker against labor income risk. I compare the model’s performance to settings with a competitive labor market, and with static labor contracts. My model successfully...

Journal: :مجله دانشکده پزشکی دانشگاه علوم پزشکی تهران 0
لاله اسلامیان l eslamian

in a descriptive study on 791 cases of normal vaginal deliveries within the period of 6 months (20th sept 1994-20th march 1995) in shariatti hospital, the duration of active phase of labor was evaluated. in 140 pregnant women (69 primigravida and 71 multipara) which had the inclusion criteria (single fetus, cephalic presentation, 37 to 42 weeks of pregnancy, admission before cervical dilatation...

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