نتایج جستجو برای: i200
تعداد نتایج: 10 فیلتر نتایج به سال:
A strictly risk-averse individual with an exogenous gross income in period one can acquire human capital in the same period and evade taxes. Period-two income rises with educational investments in period one and can also be hidden from tax authorities. It is shown that a greater tax deductibility of educational investments and higher individual ability induce a positive correlation between tax ...
Common wisdom states that teenage childbearing reduces schooling, labour market experience and adult wages. However, the decisions to be a teenage mother, to quit school, and be less attached to the labour market might all stem from some personal or family characteristics. Using the National Child Development Study (NCDS), we find that in Britain teenage childbearing decreases the probability o...
در سالهای اخیر مطالعات فراوانی در زمینهی شناخت و آگاهی اقتصاددانان پیرامون فعل و انفعالات موجود بین احساسات نیروی کار و بهرهوری انجام شده است. این مطالعات فرآیندهای مربوط به تحلیلهای ذهنی و احساسی را در قالب متغیری بهنام شادی در معادلات و فرمولهای اقتصادی وارد میکند. شادی نیروی کار میتواند از کانال افزایش بهرهوری بر رشد اقتصادی مؤثر بوده و از این جهت بررسی عوامل تأثیرگذار برآن حائز اه...
در سال های اخیر مطالعات فراوانی در زمینه ی شناخت و آگاهی اقتصاددانان پیرامون فعل و انفعالات موجود بین احساسات نیروی کار و بهره وری انجام شده است. این مطالعات فرآیندهای مربوط به تحلیل های ذهنی و احساسی را در قالب متغیری به نام شادی در معادلات و فرمول های اقتصادی وارد می کند. شادی نیروی کار می تواند از کانال افزایش بهره وری بر رشد اقتصادی مؤثر بوده و از این جهت بررسی عوامل تأثیر گذار برآن حائز اه...
The cloning and sequencing of the rbpa gene coding for a versatile peroxidase from a novel Bjerkandera strain is hereby reported. The 1777 bp isolated fragment contained a 1698 bp peroxidase-encoding gene, interrupted by 11 introns. The 367 amino acid-deduced sequence includes a 27 amino acid-signal peptide. The molecular model, built via homology modelling with crystal structures of four funga...
in recent years, economists have paid attention to the relationship between emotions and productivity. economists investigated the bi-directional effect of emotion and subjective well-being, such as happiness, on different economic variables, such as productivity, health, income, and so on. in this paper, we try to study the effect of income on labour force happiness in iran. for this purpose, ...
Abstract Background Fibrosis represent the main complications related to Crohn's disease (CD). Notch signalling mediate fibrogenic process, including epithelial-mesenchymal transition (EMT) and fibroblast senescence but its role in CD fibrosis is currently unknown. Previous studies have shown a high expression of NOTCH4, NOTCH3, DLL3 DLL4 fibrotic tissue. mainly activates transcription factors ...
In addition to irrigation, other viticultural practices such as soil management can be applied improve grapevine (Vitis vinifera L.) quality responses and attenuate unfavourable environmental conditions. Cover crops in the interrow of irrigated vineyards change dynamics water extraction it is expected that patterns vines’ relations will modified, also changing their productive responses. This s...
The densities of 10 melts in the CaO-FeO-Fe20,-Si02 system were determined in equilibrium with air, in the temperature range of I200 to 1550°C. using the double-bob Archimedean technique. Melt compositions range from 6 lo 58 wt% SK&, 14 lo 76 wt% Fe20j and 10 lo 46 wt% CaO. The ferric-ferrous tatios of glasses drop-quenched from loop fusion equilibration experiments were determined by “Fe Mhbau...
Angiotensin II (ANGII) increases insulin sensitivity in diabetic and non-diabetic subjects, even at subpressor doses, and because there is 'crosstalk' between ANGII and insulin-signaling pathways the underlying mechanism may not be due solely to changes in regional blood flow. A series of experimental studies was undertaken to evaluate the effects of ANGII on glucose and lipid metabolism in viv...
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