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RISS 인기검색어
- 검색키워드
- 저자 : António Afonso (검색결과 3 건)
- 무료
- 기관 내 무료
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The Price Relevance of Fiscal Developments
António Afonso,João Tovar Jalles 한국국제경제학회 2017 International Economic Journal Vol.31 No.1
We use Seemingly Unrelated Regressions Estimation methods to assess the link between prices, bond yields and the fiscal behavior. A first equation determines the country-specific cost of government financing via the long-term government bond yield, as a function of budget balance positions. A second equation links the price level to the cost of government financing. Our results for 15 EU countries in the period 1980Q1–2013Q4 show that improvements in the fiscal stance lead to persistent falls in sovereign yields; higher sovereign yields are reflected in upward price movements; improvements in the fiscal stance in recession times lead to short-term decreases in yields and better fiscal stance in expansions induce downward movement in bond yields only after 8 quarters.
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Morphological traits of stem to indirect selection of resistance to lodging in Avena sativa L
Silveira Diógenes Cecchin,Basso Simone Meredith Scheffer,Ebone Luciano Antônio,Caverzan Andréia,Machado Juliana Medianeira,Schaeffer Afonso Henrique,Folchini Jessica Aneris,Lângaro Nadia Canali 한국작물학회 2022 Journal of crop science and biotechnology Vol.25 No.1
The runout of newly cultivated areas in the world without recurring to the deforestation, demand a necessity to improve yield to sustain a growth population which demands each time more food. To avoid that is necessary to solve the main issues which cause crop productivity reduction, such as lodging which causes yield reduction in many major crops such as wheat, barley, rice and oat. In this sense, a study with eight cultivars evaluated morphological traits of the stem as crown diameter, internal and external diameter of the frst four basal internodes, the length of internodes, peduncle and panicle, plant height, and also lodging resistance factor (cLr), green and dry panicle matter. The diameter of the crown does not show diferences among the cultivars, the morphological characters which showed correlation and relative contribution with cLr were the internal and external internodes diameters, showing their capacity to be one of morphological traits of the stem to an indirect selection of resistance to lodging in Avena sativa L. The length did not show a good correlation with lodging, probably due to the fact that this trait was the focus of breeders for many years, reaching the plateau, demanding focus in other traits to avoid lodging such as interna and external diameter of internodes. The cultivar URS Brava and IPR Afrodite demonstrated to be a source of lodging resistance in oat.
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Marina Tucci Gammaro Baldavira Ferreira,Igor Braga Ribeiro,Diogo Turiani Hourneaux de Moura,Thomas R. McCarty,Alberto Machado da Ponte Neto,Galileu Ferreira Ayala Farias,Antônio Afonso de Miranda Neto 대한소화기내시경학회 2021 Clinical Endoscopy Vol.54 No.6
Background/Aims: The endoscopic management of primary sclerosing cholangitis (PSC)-associated dominant strictures remainschallenging. This systematic review and meta-analysis aimed to compare balloon dilation and stent placement in the treatment ofdominant strictures among PSC patients. Methods: Literature searches on MEDLINE, EMBASE, Cochrane CENTRAL and Lilacs/Bireme were performed for studiespublished until December 2020. Measured outcomes included clinical efficacy, stricture recurrence, cumulative recurrencefree rate,transplant rate, 5-year survival rate, and adverse events (i.e., pancreatitis, cholangitis, bleeding, perforation and death). Results: A total of 5 studies (n=467) were included. Based on pooled analyses, there were no differences in clinical efficacy (riskdifference [RD], -0.13; 95% confidence interval [CI], -0.58 to 0.33; I2=93%) or transplant rates (RD, -0.09; 95% CI, -0.19 to 0.01;I2=0%); however, the risk of occurrence of adverse events was lower with balloon dilatation than with stent placement (RD,-0.34; 95% CI, -0.45 to -0.23; I2=61%). Among the types of adverse events reported, only the rates of cholangitis/bacteremia weresignificantly lower in balloon dilation patients (RD, -0.19; 95% CI, -0.25 to -0.13; I2=51%). Conclusions: Compared to balloon dilation, stent placement for dominant strictures in PSC appeared to have higher complicationrates without significant differences in efficacy.
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