نتایج جستجو برای: economic concentration
تعداد نتایج: 690863 فیلتر نتایج به سال:
The important of the demographic dividend to East Asian economic growth is now widely recognized. During the last four decades of the 20 Century the working age populations grew much more rapidly than the dependent populations fueling growth in per capita income. Over the coming decades, however, demographic change is seemingly unfavorable. In the coming decades the working-age populations of m...
In earlier debates on economic development, the agricultural sector’s role was somewhat controversial. While dualistic models highlighted the importance of agriculture, the mainstream literature placed a greater emphasis on the creation of a modern industrial sector. Soon agriculture disappeared from the mainstream development literature to re-emerge recently with a variety of multiple-sector g...
Interregional transport infrastructure represents some of the largest public investment programs in developing countries. The objectives are typically to increase economic efficiency—overall economic growth—as well as spatial equity—helping lagging areas of a country to catch up with leading ones. But recent theoretical and empirical work on the ‘new economic geography’ suggests that, at least ...
Social Contacts and the Economic Performance of Immigrants: A Panel Study of Immigrants in Germany Using data from the German Socio-Economic Panel, we examined the impact of social contacts on immigrant occupational status and income. In addition to general social contacts, we also analyzed the effects of bonding (i.e., co-ethnic) and bridging (i.e., interethnic) ties on economic outcomes. Resu...
OBJECTIVES To estimate the health and economic benefits that would result from two scenarios of improved air quality in 57 municipalities of the metropolitan area of Barcelona. METHODS We used attributable fractions and life tables to quantify the benefits for selected health outcomes, based on published concentration-response functions and economic unit values. The mean weighted concentratio...
We survey recent developments in the theoretical and empirical literature on the economic effects of environmental regulation on various aspects of market structure including entry, exit and size distribution of firms and market concentration.
Serum and urinary electrolytes were determined in 200 apparently healthy males and females of different age groups retresenting various socio-economic status. The concentration of serum electrolytes in children and adults was the same(JPMA 33:269, 1983).
Abstract. Climate policy analysis needs reference scenarios to assess emission targets and current trends. When presenting their national climate policies, countries often showcase target trajectories against fictitious so-called baselines. These counterfactual are meant present future greenhouse gas (GHG) emissions in the absence of policy. baselines presented by limited use, as they can be ex...
OBJECTIVE To assess the influence of neighbourhood immigrant concentration on cardiovascular-disease-related hospitalizations in Canada (CVDH), while adjusting for individual-level immigrant status and socio-economic indicators at individual and neighbourhood levels. METHODS Data were from the 2006 Canadian Census linked to the hospital Discharge Abstract Data (DAD) for the province of Ontari...
با افزایش تعداد سویه های باکتریایی مقاوم به آنتی بیوتیک های مختلف و قیمت بالای برخی آنتی بیوتیک ها نیاز به داروهای گیاهی موثر، در دسترس و ارزان احساس می شود. این مطالعه به منظور مقایسه اثرضدباکتریایی عصاره های قطبی و غیر قطبی دوره های مختلف رویشی گیاه اسپند (peganum harmala) بر روی باکتری های آئروموناس هیدروفیلا (aeromonas hydrophila)، فتوباکتریوم دامسلا (photobacterium damsela) و لاکتوکوکوس گا...
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