The Peruvian society has achieved significant improvements in terms of lower fertility and mortality over the last forty years leading, on average, to a demographic transition with lower dependency ratios. We analyze the implications of these changes at the micro level by constructing pseudo panels from household level data for Peru. We calculate age, cohort and year effects for variables relat...

escalating development of tourism and petroleum industries in small islands such as lavan-iranrequires sound solid waste management. in the present investigation, three scenarios which consist of thecombination of landfill, recycling, incineration and composting and their environmental impacts have beenevaluated for 7514 kg/day of waste generation in lavan island. for this purpose, life cycle a...

in this study a pseudo comprehensive carbon footprint model for fossil fuel power plants is presented. parameters which their effects are considered in this study include: plant type, fuel type, fuel transmission type, internal consumption of the plant, degradation, site ambient condition, transmission and distribution losses. investigating internal consumption, degradation and site ambient con...

kambeiz talebi, the author of the article discusses the urgent needfor topmanagers to change their style in small entrepreneurial firms during a business life cycle. although most leadership theories assume that it is an easy task, but the case studies and practical experience suggest the opposite - managers find it hard to move from an innovative style when the company is young to taskoriente...

  Food packaging is used to maintain the safety and quality of food during distribution and storage and to protect them from adverse internal and external conditions, such as water vapor, spoilage due to microorganisms, moisture, light, and dust. In this regard, lots of research studies have been done to increase shelf life, safety, and quality to create suitable physico...

Aspirations, along with attainments, play an important role in shaping wellbeing. Early in adult life women are more likely than men to fulfill their material goods and family life aspirations; their satisfaction in these domains is correspondingly higher; and so too is their overall happiness. Material goods aspirations refer here to desires for a number of big-ticket consumer goods, such as a...

conclusions since family-centered empowerment interventions can determine the training- and treatment-related needs of patients and are low cost and effective, they may help parents promote their children’s self-efficacy and qol. results the mean age of the children was 10.2 and 10.5 years in the intervention and control groups, respectively. the duration of the disease was five years in both g...