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Ladifatou GACHILI NDI GBAMBIE,Ousseni MONGBET
Pág. 1 - 22
Sub-Saharan Africa (SSA) countries have benefited for more than fifty years from international aid in the form of loans and/or donations. Nevertheless, they seem not to benefit from these massive financial resources (ODA) they receive because their econo...
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Leandro Maciel,Rosangela Ballini
Pág. 80 - 99
Stock exchange automation, characterized by the replacement of floor trading systems by electronic trading systems, is one of the main restructuring processes observed in global capital markets in recent decades. This paper investigates the effects of au...
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Ramón Fuentes, Teresa Torregrosa and Enrique Ballenilla
The growing economic and environmental importance of managing water resources at a global level also entails greater efforts and interest in improving the functioning and efficiency of the increasingly more numerous wastewater treatment plants (WWTPs). I...
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Ramón Fuentes, Teresa Torregrosa and Enrique Ballenilla
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Waqas Ahmed, Khan Muhammad, Hylke Jan Glass, Snehamoy Chatterjee, Asif Khan and Abid Hussain
Geostatistical estimation methods rely on experimental variograms that are mostly erratic, leading to subjective model fitting and assuming normal distribution during conditional simulations. In contrast, Machine Learning Algorithms (MLA) are (1) free of...
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Jaime Enrique Lincovil,Chang Chiann
Pág. 56 - 76
Evaluating forecasts of risk measures, such as value?at?risk (VaR) and expected shortfall (ES), is an important process for financial institutions. Backtesting procedures were introduced to assess the efficiency of these forecasts. In this paper, we comp...
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Tatiana V. Malysheva,Alexey I. Shinkevich,Guzyal M. Kharisova,Yuliya V. Nuretdinova,Oleg R. Khasyanov,Ildar G. Nuretdinov,Natalia A. Zaitseva,Svetlana S. Kudryavtseva
Pág. 185 - 191
The purpose of this article is to develop methodological approaches to the production effectiveness?s evaluating and products competitiveness?s level estimation to identify risk groups according to the products and producers, to propose targeted measures...
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Jenq-Tzong Shiau and Yu-Cheng Lien
Less-frequent and inadequate sampling of sediment data has negatively impacted the long and continuous records required for the design and operation of hydraulic facilities. This data-scarcity problem is often found in most river basins of Taiwan. This s...
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Yumeng Gu, Chunjie Qi, Fuxing Liu, Quanyong Lei and Yuchao Ding
In this study, the DEA?Malmquist index method was used to measure the total factor productivity of citrus in seven major mandarin-producing provinces and seven major tangerine-producing provinces in China from 2006 to 2020. Moran?s I index was used to te...
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Valerij Kassov,Eduard Gribkov,Olena Berezshnaya,Svetlana Malyhina,Andrej Sumets
Pág. 22 - 30
This paper reports a research into influence of different types of thermal cutting, namely argon-plasma, air-plasma, and oxygen-flux cutting, on regularities in the formation of a thermal impact zone and structure formation in the cutting area. The forma...
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Hee-Joon Ahn
In this study, we investigate the effect of minimum trade unit (MTU) reductions on the Korea Exchange (KRX) on price efficiency. The KRX switched its MTU from 10 shares to one share for high-price stocks twice, once in December 2004 and once in July 2006...
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Fan Ding, Min Liu, Simon M. Hsiang, Peng Hu, Yuxiang Zhang and Kewang Jiang
The complexity and uncertainty of construction projects contribute to low efficiency in the construction industry. This research applied the Takt-time planning method to optimize the construction working process, and proposed a risk control framework bas...
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Hui Yao and Thomas Taimre
We consider the problem of estimating tail probabilities of random sums of scale mixture of phase-type distributions?a class of distributions corresponding to random variables which can be represented as a product of a non-negative but otherwise arbitrar...
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Loc Dong Truong and H. Swint Friday
This study investigated the impact of the introduction of the VN30-Index futures contract on the daily returns anomaly for the Ho Chi Minh Stock Exchange (HOSE). Daily returns of the VN30-Index for the period 6 February 2012 through 31 December 2019 are ...
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Yepeng Cheng, Zuren Liu and Yasuhiko Morimoto
Traditional time series forecasting techniques can not extract good enough sequence data features, and their accuracies are limited. The deep learning structure SeriesNet is an advanced method, which adopts hybrid neural networks, including dilated causa...
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Mohammad Alsharif
Pág. 1 - 8
Using daily data from 2000 to 2019, this study examines the sensitivity of Saudi market returns and volatility to changes in oil prices. This study employs the threshold general autoregressive conditional heteroskedastic in mean model (TGARCH-M) and thre...
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Hidemi Takahashi, Mitsuru Kurita, Hidetoshi Iijima and Monami Sasamori
Turbulent boundary layer profiles on the aircraft surface were characterized by pitot-rake measurements conducted in flight experiments at high subsonic Mach number ranges. Due to slight variations in atmospheric air conditions or aircraft attitudes, suc...
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Zhe Yang, Yi Huang, Yaqin Chen, Xiaoting Wu, Junlan Feng and Chao Deng
Controllable Text Generation (CTG) aims to modify the output of a Language Model (LM) to meet specific constraints. For example, in a customer service conversation, responses from the agent should ideally be soothing and address the user?s dissatisfactio...
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Xiaofang Yuan, Yutong Wu, Linhui Sun and Xinping Wang
The intelligent transformation of coal mines is an inevitable choice to promote the green transformation of energy and to achieve safety and efficiency in the industry. Exploring the path of its efficient construction is the key to realizing the construc...
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Palaiologos Palaiologou, Kostas Kalabokidis, Michelle A. Day, Alan A. Ager, Spyros Galatsidas and Lampros Papalampros
Predicting where the next large-scale wildfire event will occur can help fire management agencies better prepare for taking preventive actions and improving suppression efficiency. Wildfire simulations can be useful in estimating the spread and behavior ...
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