abstract since about 34% of areas under rice cultivation in whole country is attributed to gilan; in this study we pay attention to some economical dimensions, especially economic values of inputs in this region. data were collected from 80 rice producers in 2007-2008. consider to importance the parametric approach in production structure and factors demand, applying seemingly unrelated regress...

Background For decades, child labor has been an important global issue associated with inadequate educational opportunities, poverty and gender inequality. In order to make effective policies to reduce child labor it is important to understand the specific factors that ...

prematurity is the most common cause of neonatal death. risk factors of premature birth can be related with ethnicity and genetic. there is no comprehensive high sample size study in kurdish ethnicity to determine risk factors related to prematurity. this study evaluated risk factors of preterm labor in kurdish ethnicity.this case-control study was conducted in 200 preterm infants (case group) ...

Empirical evidence suggests that family ownership has important implications for economic growth. Several studies find that family firms—at least secondand later-generation family firms in which the chief executive officer (CEO) is a family member, especially if CEO succession is based on primogeniture—perform relatively poorly (e.g., Francisco Pérez-González 2006; Morten Bennedsen et al. 2007;...

In this paper, we investigate ways in which the relationship between health and labor force exit at older ages is moderated by family characteristics. Using two waves of data from a national sample of older Japanese men collected 1999 and 2002, we estimate logistic regression models for labor force exit beyond age 63 as a function of health change, family characteristics, and their interactions...