1,720,954 research outputs found
The impact of oil price fluctuations on the South African exchange rate: Evidence from symmetric and asymmetric analyses
Get PDFThis article investigates the nature of the relationship and the effects of changes in oil prices on South Africa\u27s exchange rate. It fills an essential gap in comprehending how oil price shocks influence emerging market economic dynamics. Through the use of a Bayesian Vector Auto-Regressive (BVAR) model, this study finds that the initial oil price shock to exchange rates is weakly positive in the short run, reflecting a 1% increase in oil prices, leading to a 0.08% exchange rate appreciation. The study also finds an asymmetrical relationship between oil prices and exchange rates. These effects become more pronounced when global uncertainty is at its peak. These findings have implications for shaping policies in South Africa. Exchange rate stability strategies could involve diversifying energy sources and introducing risk-hedging methods while striving for stability through flexible monetary and fiscal policies. This research also adds to the ongoing conversation about the susceptibility of emerging market currencies to external pressures, serving as a reference point for examining comparable economies. This research enriches the existing body of knowledge by addressing methodological gaps and providing a contemporary analysis of South Africa\u27s exchange rate dynamics in a post-crisis global economy
The impact of oil price fluctuations on the South African exchange rate.
No full textMasters Degree. University of KwaZulu-Natal, Durban.This study investigates the nature of the relationship and the effects of changes in oil prices on South Africa's exchange rate. It fills an essential gap in comprehending how oil price shocks influence emerging market economic dynamics. South Africa is heavily dependent on imported oil, with 90% of the country’s oil and petroleum needs coming from imported sources, and the exchange rate is overly sensitive to fluctuations in oil prices. Through the use of a Bayesian Vector Auto Regressive (BVAR) model, this study examines the connections in the period from 2000-2022 between oil prices, the South African Rand (ZAR), and key macroeconomic indicators, like the Consumer Price Index (CPI), interest rates, and Gross Domestic Product (GDP). The study finds that the initial oil price shock to exchange rates is weakly positive in the short run, reflecting a 1% increase in oil prices, leading to a 0.08% exchange rate appreciation. This response is, however, very short-lived, as after the initial shock, results reflect a negative relationship in the long run. The study also finds an asymmetrical relationship between oil prices and exchange rates. These effects become more pronounced when global uncertainty is at its peak. This study aligns with studies such as those by Korley and Giouvris (2022), which highlight how shifts in oil prices affect exchange rates through trade balance and inflation pressures. By incorporating the concept of asymmetry into the study, this research yields information on how vulnerable the Rand is to sudden increases in oil prices, providing essential data for policymakers. The findings have implications for shaping policies in South Africa. Exchange rate stability strategies could involve diversifying energy sources and introducing risk hedging methods while striving for stability through flexible monetary and fiscal policies. This research also adds to the ongoing conversation about the susceptibility of emerging market currencies to external pressures, serving as a reference point for examining comparable economies. This research enriches the existing body of knowledge by addressing methodological gaps and providing a contemporary analysis of South Africa's exchange rate dynamics in a post-crisis global economy
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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