Conference Proceedings - 2017
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PublicationApplying the Balanced Scorecard in the performance management of Vietnamese universities( 2017)In the recent 5 years, the Vietnamese government has been making efforts to change its education system, most particularly the development of an effective university management model. Among the various policies conducted, the empowerment to financial autonomy of the universities has become one of the most encouraged and thoroughly executed. Based on that notion, managing universities' financial aspect is now widely considered the core to a university's successes. Nevertheless, currently universities in Vietnam has been using dated indicators, reluctant to apply modern management methods. Within the diverse tools for strategic level management, the Balanced Scorecard (BSC) framework is widely used due to its ability to translate an organisation's strategy into targets and executive action; along with popularising its goalswith the institution's staff and subdivision. The scope of this paper was to research different approaches to improving the financial management aspect ofuniversities in Vietnam, specifically in the sector of Vietnamese Financial Autonomous Universities (VFAUS). The objective of this paper was to proposea BSC-based framework for the performance evaluation of the Vietnamese financial autonomous universities, with a focus on the financial aspect based on Kaplan's original model along with the other models adapted by various authors for universities across the world. This researchreviews previous research related to the BSC, while concurrently observing and analysing the individual states of VFAUS. The result is a framework consisting of the objectives, measures, targets and initiatives for an organisation's efficiency evaluation. The aim of the framework is to help VFAUS accomplish their financial goals and to improve their financial management performance
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PublicationPower Beacon-Assisted Relaying Scheme for Cellular Networks: System Model and Performance Analysis( 2017)In this paper, we consider one-way relay with energy harvesting system based on power beacon (PB), in which the relay node harvests transmitted power from the PB station to forward signals to destination. We also analyse the relay network model with amplify-and-forward (AF) protocol for information cooperation and Power Splitting-based Relaying (PSR) protocol for power transfer. In particular, the outage probability and optimal energy harvesting (EH) power splitting fraction of novel scheme in are presented. We obtain analytical closed-form expression of optimal energy harvesting (EH) power splitting fraction to minimize the outage probability of system. Using numerical and analytical simulations, the performances of different cases are presented and discussed.
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PublicationEffectiveness of Marketing public relation: Evidences from Vietnam( 2017)The effect of marketing public relations (MPR) on human interactions such as their changing attitudes is difficult to quantify. Academics and industry professionals are both struggling with this challenge. This research laid foundations by using SERVQUAL framework to measure the effectiveness of MPR on attitude toward brand (ATB) to identify insights that can inform strategy in practice. A survey was accompanied with 317 respondents in Ho Chi Minh City, Vietnam to collect primary data. Constructing on the multiple regression analysis, it was concluded that MPR has positive relationship with ATB; also tangibles dimension of SERVQUAL. Furthermore, MPR indirectly affects ATB through tangibles. Hence, managers are highly recommended to make the MPR programs more tangibility in order to gain positive ATB.
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PublicationResilience of Stock Cross Correlation Network to Random Breakdown and Intentional Attack( 2017)We study the network constructed by the correlation coefficients between stocks which are listed in the Vietnamese stock exchanges. Network edges between nodes (stocks) are established if the correlations between stocks are higher than certain value (0.25). We found that this network is scale-free, having connectivity distribution P(k)∼k−γ (where k is the node connectivity) with a relatively low power exponent of γ∼1.0. This result accords with the highly co-movement of listed stocks in a market found previously. The low power-law distribution exponent coefficient corresponding to a dense connectivity makes it robust even under intentional attacks: its critical fraction is of range 30.77%−50.36%. Finally, we compare different intentional attack strategies and find that: if we want to fully break apart the network, recalculated degree distribution-based attack is the most efficient; if we only want to break the network to a certain level (for example, to break half of the size of the largest network component), the recalculated betweenness centrality-based attack is more efficient. This result may be used to enhance the structure design of some real-life network systems.