نتایج جستجو برای: 99 percent and 28 percent respectively jel classification c33
تعداد نتایج: 16911899 فیلتر نتایج به سال:
in order to evaluate the density, population and insect fauna diversity and agronomical yield in intercropping faba bean (vicia faba l.) andcoriander (coriandrum sativum l.), a field experiment was conducted based on a randomized complete block design with three replications at the farm located in nagadeh, west azerbaijan province, iran during growing season in 2012-2013. treatments included 75...
Are Refugees Different from Economic Immigrants? Some Empirical Evidence on the Heterogeneity of Immigrant Groups in the United States This paper analyzes how the implicit difference in time horizons between refugees and economic immigrants affects subsequent human capital investments and wage assimilation. The analysis uses the 1980/1990 Integrated Public Use Samples of the Census to study lab...
College-educated workers entering the labor market in 1940 experienced a 4-fold increase in their labor earnings between the ages of 25 and 55; in contrast, the increase was 2.6-fold for those entering the market in 1980. For workers without a college education these figures are 3.6-fold and 1.5-fold, respectively. Why are earnings profiles flatter for recent cohorts? We build a parsimonious mo...
We carried out a questionnaire survey to determine the actual situation of radiation safety management measures in all medical institutions in Japan that had nuclear medicine facilities. The questionnaire consisted of questions concerning the evaluation of shielding capacity; radiation measurement; periodic checks of installations, equipment, and protection instruments; and the calibration of r...
هدف پژوهش حاضر بررسی تأثیر درآمد مالیاتی دولت بر بورس اوراق بهادار در ایران در فاصلهی فصل سوم سال 1378 تا فصل دوم سال 1387 است. برای تحلیل موضوع از الگوی اقتصادسنجی خودبازگشتی با وقفههای توزیعی[1] استفاده شده است. بر اساس نتایج بهدست آمده از این روش، اثرگذاری تمام ضرایب متغیرها بر اساس مبانی نظری مورد انتظار بوده و تمام ضرایب متغیرها بهجز ضریب نرخ سود بانکی از نظر آماری معنیدار است. بر...
To determine the excess mortality attributable to hospital-acquired bloodstream infections, we applied the acute physiology and chronic health evaluation (APACHE) II classification to 34 critically ill patients with this complication. The study included primary bloodstream infections, defined by a positive blood culture at least three days after hospitalization, in the absence of any other appa...
BACKGROUND Intimal hyperplasia and resulting restenosis limit the efficacy of coronary stenting. We studied a coronary stent coated with the antiproliferative agent paclitaxel as a means of preventing restenosis. METHODS We conducted a multicenter, randomized, controlled, triple-blind study to evaluate the ability of a paclitaxel-eluting stent to inhibit restenosis. At three centers, 177 pati...
The aim of this study was to describe the incidence distribution of colorectal cancer in Fortaleza, Ceará State, and Porto Alegre, Rio Grande do Sul State, Brazil, and the time trend in the disease from 1990 to 1999. Mean annual age-adjusted incidence rates and estimated annual percent change were calculated by gender, using population-based cancer registries. EAPC showed an increase in the rat...
regarding the decentralization of credits management, this study examined the effect of fiscal policies on gross domestic product of the iranian provinces over the period 2001-2009. therefore, we used dynamic panel data and employed gmm-sys method to examine the model. the results show that the government expenditure and tax multiplier coefficients are less than one in short - run but greater t...
BACKGROUND We compared docetaxel plus doxorubicin and cyclophosphamide (TAC) with fluorouracil plus doxorubicin and cyclophosphamide (FAC) as adjuvant chemotherapy for operable node-positive breast cancer. METHODS We randomly assigned 1491 women with axillary node-positive breast cancer to six cycles of treatment with either TAC or FAC as adjuvant chemotherapy after surgery. The primary end p...
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