Academic literature on the topic 'Internal constraints index'

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Journal articles on the topic "Internal constraints index"

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Pham, Xuan Quynh, and Long Hau Le. "Investment in the context of financial constraints: A case of Vietnamese listed firms." Ministry of Science and Technology, Vietnam 65, no. 10 (2023): 8–15. http://dx.doi.org/10.31276/vjst.65(10).08-15.

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To consider investment in the context of financial constraints, this study focuses on analysing the sensitivity of investment to internal funds (cash flow) to examine the impact of financial constraints on investment by Vietnamese enterprises as well as supporting evidence that the financial market is imperfect. Using data from financial statements and market data of 306 enterprises listed on the Ho Chi Minh City Stock Exchange, the authors find that Vietnamese listed firms have to face with many financial constraints due to investment dependence on the availability of internal finance. In par
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Kizi, Mamayusupova Shokhina Ulugbek. "DIGITAL FINANCE AND ENTERPRISE FINANCING CONSTRAINTS." European Journal of Artificial Intelligence and Digital Economy 1, no. 5 (2024): 40–44. http://dx.doi.org/10.61796/jaide.v1i5.597.

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In this study, we utilize panel data of A-share listed companies spanning from 2011 to 2020 to examine the effectiveness of the WW index in characterizing the level of enterprise financing constraints in China. Specifically, we explore the impact of regional digital finance (DF) development on these financing constraints. Our findings indicate that the WW index serves as a robust measure for assessing enterprise financing constraints. We observe that the development of digital finance has a substantial mitigating effect on these constraints, particularly benefiting small and medium-sized enter
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Nguyen, Hong Thu, Tran Xuan Linh Nguyen, Le Kieu Oanh Dao, and Thi Thanh Nhan Do. "Credit Constraints, Institutional Quality, and Growth Possibilities of Private Small and Medium Enterprises." International Journal of Management and Sustainability 11, no. 3 (2022): 177–90. http://dx.doi.org/10.18488/11.v11i3.3159.

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The study's objective was to investigate the impact of credit constraints and institutional quality, as measured by the provincial competitiveness index, on the growth of 2,057 private-sector small and medium-sized enterprises (SMEs) in 10 provinces in Vietnam. The data covered three years – 2011, 2013, and 2015 – and the Bayesian method was used. In addition to credit constraints and institutional quality, the paper considered the influence of macro and internal environmental factors on the growth of privately owned SMEs. The findings of the study showed that credit constraints are regarded a
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Spangler, Steven R. "Constraints on extragalactic-jet characteristics from lobe observations." Canadian Journal of Physics 64, no. 4 (1986): 378–80. http://dx.doi.org/10.1139/p86-066.

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We discuss Very Large Array spectral and polarimetric observations of the lobes of luminous, double radio galaxies. These observations can provide information on the (typically undetected) jets responsible for the sources. Spectral steepening is usually observed in the lobes, with the radio spectral index increasing with distance from the hot spot. These data can be used to infer a "speed of separation" of the hot spot and lobe material. These speeds, typically 1.0 × 104–3.0 × 104 km/s, are in agreement with hydrocode models of jets, which interpret the measured speed of separation as a combin
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Li, Congrong, and Zhe Ning. "Unveiling Intangible Assets: Exploring Voluntary Disclosure and Its Interaction with Accounting Conservatism and Analyst Attention on Financing Constraints." International Journal of Financial Studies 12, no. 4 (2024): 111. http://dx.doi.org/10.3390/ijfs12040111.

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This paper examines the relationship between the voluntary disclosure of intangible assets and financing constraints using a sample of 2850 listed companies from 2017 to 2021. Additionally, we examine the moderating effects of prudence in accounting and the attention given to the disclosures by analysts from both an internal and an external perspective. The results show that voluntarily disclosing intangible assets helps to alleviate a firm’s financing constraints, with more significant effects observed in state-owned enterprises and companies listed on the Growth Enterprise Market index than
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Debataraja, Lisherly, Marsedes Purba, Amrizal, Gallio Budianto, and Naga Raya Sinaga. "Analysis of Material Supply Chain Risk Weight Using Severity Index Method." Jurnal Inotera 9, no. 2 (2024): 551–57. https://doi.org/10.31572/inotera.vol9.iss2.2024.id423.

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Material delay is a vital problem in the completion of construction work, this is closely related to the understanding of the flow of material supply. So it takes risk weight analysis from the internal side (supply, control, process, demand) and external (disaster factor). This study began with a literature study to obtain a list of risks, then data collection using a questionnaire method to 50 respondents who are experts in construction material procurement. Furthermore, a risk analysis was carried out using the severity index method. From this analysis, the average risk from the supply side
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Wang, Bingjie, and Yingzi Zhang. "Parameter Design and Optimization of Grass Aerial Seeding Tower Based Computational Fluid Dynamics." Applied Sciences 14, no. 14 (2024): 5971. http://dx.doi.org/10.3390/app14145971.

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Unstable airflow driven by natural wind forces inside a grass aerial seeding tower is a technical problem that needs to be improved. The authors used FLUENT 2020 R2 to simulate a basic nozzle unit, which is the fundamental component of a grass aerial seeding tower. The interior flow characteristics of the tower were first analyzed. Then, an optimization was undertaken to enhance the internal airflow’s uniform stability, taking the cross-sectional inclination angle as the design parameter. The coefficient of variation, uniformity index, and velocity direction index were considered as constraint
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Liu, Wen Xia, Liu Liu, Shang Yuan Li, and Bing Lu. "Device Configuration and Investment Decision-Making of Fast Charging Station." Applied Mechanics and Materials 291-294 (February 2013): 866–71. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.866.

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This paper describe an approach to optimize the economy of electric vehicles’fast charging station investment with service satisfaction be constraints. An optimized model is proposed to study the relationship between the number of charge devices and economy of investment, which is based on the internal rate of return. Some service index like the queuing time and queuing length based on queuing theory are calculated to make sure the result reasonable and attainable for both investors and customers. At last, an example based on a conventional traffic flow and service intensity is simulated on Ma
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Malaquias, Rodrigo Fernandes, and Dermeval Martins Borges Junior. "Strategy, tax planning and liquidity constraints in investment funds." Journal of Economic Studies 46, no. 4 (2019): 842–57. http://dx.doi.org/10.1108/jes-11-2017-0334.

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Purpose The purpose of this paper is to analyze the effect of the interaction between liquidity constraints and tax planning on the performance of Brazilian investment funds, since liquidity constraints reduce precipitated withdrawals, allowing tax planning operationalization. Design/methodology/approach The sample of this study is comprised of 8,008 Brazilian multimarket funds, considering the period from January 2004 to September 2017. The authors considered tax planning, lockup periods and minimum balance of investment as independent variables, and the authors used the Sharpe ratio as a pro
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Karmi, Bilel, Abdelghani Saouab, Ahmed Guerine, et al. "Reliability based design optimization of a two-stage wind turbine gearbox." Mechanics & Industry 25 (2024): 16. http://dx.doi.org/10.1051/meca/2024010.

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This paper describes a multi-objective reliability-based design optimization (MORBDO) of a two-stage wind turbine gearbox. The optimization process incorporates the gear's reliability of accounting for the uncertainty of its internal geometric parameters. It also ensures that constraints relating to the gear's reliability index and efficiency are respected. The objective functions are to minimize both the total volume and the center distance. A specific reliability target is established, and to address the multi-objective reliability-based design optimization (MORBDO), the hybrid method (HM) i
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Dissertations / Theses on the topic "Internal constraints index"

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Дерев`янко, Юрій Миколайович, Юрий Николаевич Деревьянко та Yurii Mykolaiovych Derevianko. "Науково-методичні засади забезпечення ефективності виробничо-господарської діяльності підприємства в умовах обмеженості ресурсів". Thesis, Сумський державний університет, 2008. http://essuir.sumdu.edu.ua/handle/123456789/15842.

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У дисертаційній роботі досліджено науково-методичні підходи до аналізу та оцінки ступеня впливу різних за характером дії та походженням ресурсних обмежень на ефективність виробничо-господарської діяльності підприємства. Проведено аналіз існуючих підходів до ресурсного забезпечення виробничогосподарської діяльності підприємств. Удосконалено економічний зміст категорій "ресурс" і "обмеження": запропоновані авторські визначення і на їх основі розширено перелік класифікаційних ознак зазначених категорій. З метою визначення ступеня впливу фактору обмеженості ресурсів запропоновано використовувати
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Moa, Belaid. "Interval methods for global optimization." Thesis, 2007. http://hdl.handle.net/1828/198.

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We propose interval arithmetic and interval constraint algorithms for global optimization. Both of these compute lower and upper bounds of a function over a box, and return a lower and an upper bound for the global minimum. In interval arithmetic methods, the bounds are computed using interval arithmetic evaluations. Interval constraint methods instead use domain reduction operators and consistency algorithms. The usual interval arithmetic algorithms for global optimization suffer from at least one of the following drawbacks: - Mixing the fathoming problem, in which we ask for the global
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Book chapters on the topic "Internal constraints index"

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Li, Zonglin. "How Digital Finance Empowers Polluting Enterprise Green Innovation." In Advances in Transdisciplinary Engineering. IOS Press, 2023. http://dx.doi.org/10.3233/atde230366.

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Using data from A-share listed companies in the heavy polluting industries in Shenzhen and Shanghai from 2011 to 2020, matched with the Peking University Inclusive Finance Index, this paper empirically investigates the impact of digital finance on the green innovation of heavy polluting enterprises and its mechanism of action. According to the study, substantially polluting businesses’ adoption of green innovation was significantly facilitated by digital financing. The mechanism path analysis found that digital finance promoted green innovation in heavy polluting enterprises by reducing intern
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"Biological treatment plan optimization: A novel computational solution." In Book of Abstracts - RAD 2025 Conference. RAD Centre, Niš, Serbia, 2025. https://doi.org/10.21175/rad.abstr.book.2025.38.1.

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Current state of the art treatment planning allows the achievement of very complex goals under given constraints. A complex set of parameters has to be evaluated when an irradiation plan is to be assessed, instead of the conventional minimum and maximum doses figures of merit that were used two decades ago. The biological approach is based on different radiobiological indices, linking the plan to specific clinical goals. In order to enhance the plan and get values of the indices close enough to the prescribed goals, a tool to assess plans may be very helpful, so that the planner can be certain
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Conference papers on the topic "Internal constraints index"

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Ahmed, Shakeel, Bahram Bahram, Sameer Razzaq, Dilan Dost, and Mehtab Ali. "Developing a PLS-SEM Model to Identify Risk Management Strategies in Construction Contracts: A Case Study in Public Sector Construction of Pakistan." In 14th International Civil Engineering Conference. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-mcn3wd.

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Political unpredictability, environmental hazards, technological constraints, economic volatility, and regulatory barriers are a few difficulties facing Pakistan's public sector construction industry. These elements, together with inadequate infrastructure, have made it extremely difficult to guarantee the success of projects. The complex nature of hazards in this industry is frequently overlooked by existing models and tactics, despite the crucial role that efficient risk management plays in reducing these difficulties. Traditional methods do not capture The complexity involved well, increasi
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Al-Sened, Ahmed, Hesameddin Safari, Mojtaba Keshavarz, and Ghasem Javadirad. "Knock Prediction in Industrial Dual Fuel Engines Using a Two-Zone Combustion Model With Consideration of Chemical Kinetics." In ASME 2008 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ices2008-1630.

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Knock is well recognized as a destructive phenomenon to be avoided when running dual fuel engines. Typically, it occurs at high loads and high ambient temperatures and its onset has always been difficult to predict, particularly where multiple fuels are present. In a dual fuel engine, knock can occur from either the diesel or the gaseous fuel and it is recognised that the ratio of diesel fuel mass to gaseous fuel mass is an important index in determining which type of knock is predominant. This paper describes the development of a two-zone predictive model for the onset of knock in a dual fuel
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Glizer, Valery Y., Vladimir Turetsky, and Emil Bashkansky. "Application of Pontryagin’s Maximum Principle to Statistical Process Control Optimization." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70104.

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The optimization of a statistical process control with a variable sampling interval is studied. A control performance index is the expected loss, caused by delay in detecting process change. It is to be minimized by a proper choice of a sampling interval. The mathematical model of this problem is a nonstandard variational calculus problem with two types of constraints, an isoperimetric constraint and two geometric constraints. The integrands in the cost functional and the isoperimetric constraint are independent of the derivative of the minimizing function. Therefore, the classical Euler-Lagra
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Furukawa, Masaru. "Database Agile Management Dependent on MIS Infrastructure." In 2001 Informing Science Conference. Informing Science Institute, 2001. http://dx.doi.org/10.28945/2427.

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Today agility of management cannot be realized unless given all of the following three kinds of quickness: a) quick recognition of environmental changes, b) quick decision-making on countermeasures against these changes, and c) quick implementation of the countermeasures chosen. In the business world nowadays the quickness of a) concerns information that an MIS deals with, the quickness of b) concerns use of an MIS for decision-making, and the quickness of c) concerns change of an MIS itself. With a focus on c) and assuming that flexibility is a core property that an MIS should acquire to real
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Zhang, Wei, and Hong Lei. "Evaluation of Urban Development Efficiency in Fujian Province under the Constraint of Unexpected Output Based on Super-SBM Model and Malmquist Luenberger Index Model." In International Conference on Public Management, Digital Economy and Internet Technology. SCITEPRESS - Science and Technology Publications, 2022. http://dx.doi.org/10.5220/0011732500003607.

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Platanitis, George, Ahmad Barari, and Remon Pop-Iliev. "Introducing Design Rigidity to Model Unexpected Disturbances in a DSM-Based Design Process." In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/detc2010-28218.

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Agile design engineering systems require flexible processes that can adapt rapidly for fast response to dynamic changes in the design requirements due to the market demands and/or internal or external constrains and limitations, without compromising the cost and quality of the design process and design process’ upstream activities, particularly the manufacturing and production processes. These changes in the design requirements can occur as unpredictable events at any time, delaying the convergence of the design process to a feasible solution. In this paper, the flexibility of design process v
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Fabien, Brian C. "A Technique for the Direct Optimization of Dynamic Systems Described by Differential-Algebraic Equations." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42679.

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This paper presents a method for the optimization of dynamic systems described by index-1 differential-algebraic equations (DAE). The class of problems addressed include optimal control problems and parameter identification problems. Here, the controls are parameterized using piecewise constant inputs on a grid in the time interval of interest. In addition, the differential-algebraic equations are approximated using a Rosenbrock-Wanner (ROW) method. In this way the infinite dimensional optimal control problem is transformed into a finite dimensional nonlinear programming problem (NLP). The NLP
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Ma, Ruicheng, Dandan Hu, Ya Deng, Limin Zhao, and Shu Wang. "Integrated Semi-Supervised Clustering Method and Its Application in Rock-Typing in AA Reservoir." In SPE Middle East Oil & Gas Show and Conference. SPE, 2021. http://dx.doi.org/10.2118/204777-ms.

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Abstract Rock-typing is complicated and critical for numerical simulation. Therefore, some researchers proposed several clustering methods to make classification automatic and convenient. However, traditional methods only focus in specific area such as lithofacies or petrophysical data instead of integrated clustering. Besides, all the clustering method are related to classification interval determined subjectively. Therefore, a new clustering method for rock-typing integrated different disciplines is critical for modelling and reservoir simulation. In this paper, we proposed a novel semi-supe
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Zhang, Ruxin, and Akhil Datta-Gupta. "Streamline-Based Robust Rate Allocation Optimization for Polymer Flooding Considering Geological Uncertainty." In SPE Improved Oil Recovery Conference. SPE, 2024. http://dx.doi.org/10.2118/218192-ms.

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Abstract Optimal injection/production rate allocation is an integral part of effective reservoir management for enhanced oil recovery (EOR). Field-scale rate allocation optimization with hundreds of wells can be time consuming and complicated by the multitude of operational and well related constraints. The common practice is to either do the optimization manually or limit the simulation-based optimization to a single realization which ignores the geological uncertainty and causes suboptimal rate allocation. This paper proposes a streamline-based robust optimization algorithm that accounts for
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Ganiyu, Adeyemi, Matthew Burgess, Aghogho Eyeregba, et al. "Harnessing Value from Mature Offshore Asset: Successes from Recent Acid Stimulation Campaigns in Field X." In SPE Nigeria Annual International Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/217189-ms.

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Abstract Field X is a mature offshore field in the Niger Delta. In 2013, several wells in field X experienced significant production decline and a study conducted by cross-functional team identified fines migration as the primary cause of sandface impairment and acid stimulation was recommended as remediation for the damage. This technical work highlights the strategies and methodology adopted in implementing acid stimulation in field X. The approach to candidate selection involved screening of historical well test data and pressure transient analyses (PTA) database for impaired/at-risk comple
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Reports on the topic "Internal constraints index"

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Weller, Joel I., Ignacy Misztal, and Micha Ron. Optimization of methodology for genomic selection of moderate and large dairy cattle populations. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7594404.bard.

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The main objectives of this research was to detect the specific polymorphisms responsible for observed quantitative trait loci and develop optimal strategies for genomic evaluations and selection for moderate (Israel) and large (US) dairy cattle populations. A joint evaluation using all phenotypic, pedigree, and genomic data is the optimal strategy. The specific objectives were: 1) to apply strategies for determination of the causative polymorphisms based on the “a posteriori granddaughter design” (APGD), 2) to develop methods to derive unbiased estimates of gene effects derived from SNP chips
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