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Jul 20, 2023Open Access
In order to reflect the concept of value investing, this paper extracts the indicators that reflect the fundamental information of listed companies such as profitability, solvency, operating capacity, growth capacity, and cash flow from the annual reports of listed companies in A-share market in 2021 as factor characteristics, establishes a multi-factor stock selection strategy based on cluster analysis model and classification prediction model respectively, and conducts an empirical study. The ...
Aug 04, 2022Open Access
The formulation of each educational policy level sets the stage for its implementation, which, according to Ukeje (1986), is perhaps the most crucial aspect of planning. Unfortunately, educational policies and goal attainment in Nigeria have been irreconcilable due to implementation problems, which have caused significant constraints on the welfare of the teacher labor market. The gaps between policy formulation and implementation arouse investigations to identify factors that constrain the effe...
Jul 12, 2021Open Access
With the continuous development and progress of society, social needs and social problems are also constantly appearing, which also puts forward new requirements and challenges for urban community management. Urban communities need diversified governance entities to participate in governance. As one of the governance entities of urban communities, social organizations participate in the governance of the community is an inevitable development trend. However, social organizations still have many ...
Jun 24, 2019Open Access
With the rapid development and wide application of network information technology, the digital economy era puts forward higher requirements for the honesty behavior of college students in China and more suggestions for the teaching of Statistics. Aiming at the problems in the traditional teaching process of Statistics, such as the low awareness of integrity, the dis-connection between teaching content and digital economy, students ...
Nov 30, 2018Open Access
The main objective of the study is to investigate the long run performance of the All Share Price Index (ASPI) of the Colombo Stock Exchange, based on the economic activities of Sri Lanka using cointegration and auto regressive time series. The cointegration test illustrates that share price index is cointegrated with a specific set of macroeconomic variables, i.e. exchange rate (USD/LKR), money supply, wage rates, wet foreign ass ...
Sep 27, 2017Open Access
This paper proposes a generalised Wald type tests to
test the hypothesis of the nonlinear restrictions. We circumvent the problem of
singularity of the covariance matrix associated with the usual Wald test by
proposing a generalised inverse procedure, and an alternative simple procedure
which can be approximated by a suitable chi-square distribution. New threshold
value is derived to estimate the rank of the covariance matrix. ...
Dec 02, 2016Open Access
Coffee has brought income for many households and significantly contributes to annual GDP growth of the Dak Lak province. The majority of households have said that water sources, soil quality, coffee caring techniques, capital, and cultivation experience are important for the sustainable development of coffee production [Table A1]. We used linear function and Cobb-Douglas functional form to an ...
Jun 29, 2016Open Access
In the past few years, the volatility of the world price market and the intrinsic weaknesses of production coupled with skepticism from experts as well as households had effects of coffee production [1], that’s why the purpose of the article is to use index DRC (Domestic Resource Cost) to confirm the effectiveness of the coffee plantations in Dak Lak, through DRC index we not only assess competitive advantage of the coffee over ot ...
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