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Open Access
Article
Publication date: 10 July 2019

Hoyon Hwang, Jaeyoung Cha and Jon Ahn

The purpose of this paper is to present the development of an optimal design framework for high altitude long endurance solar unmanned aerial vehicle. The proposed solar aircraft…

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Abstract

Purpose

The purpose of this paper is to present the development of an optimal design framework for high altitude long endurance solar unmanned aerial vehicle. The proposed solar aircraft design framework provides a simple method to design solar aircraft for users of all levels of experience.

Design/methodology/approach

This design framework consists of algorithms and user interfaces for the design of experiments, optimization and mission analysis that includes aerodynamics, performance, solar energy, weight and flight distances.

Findings

The proposed sizing method produces the optimal solar aircraft that yields the minimum weight and satisfies the constraints such as the power balance, the night time energy balance and the lift coefficient limit.

Research limitations/implications

The design conditions for the sizing process are given in terms of mission altitudes, flight dates, flight latitudes/longitudes and design factors for the aircraft configuration.

Practical implications

The framework environment is light and easily accessible as it is implemented using open programs without the use of any expensive commercial tools or in-house programs. In addition, this study presents a sizing method for solar aircraft as traditional sizing methods fail to reflect their unique features.

Social implications

Solar aircraft can be used in place of a satellite and introduce many advantages. The solar aircraft is much cheaper than the conventional satellite, which costs approximately $200-300m. It operates at a closer altitude to the ground and allows for a better visual inspection. It also provides greater flexibility of missions and covers a wider range of applications.

Originality/value

This study presents the implementation of a function that yields optimized flight performance under the given mission conditions, such as climb, cruise and descent for a solar aircraft.

Details

Aircraft Engineering and Aerospace Technology, vol. 91 no. 7
Type: Research Article
ISSN: 1748-8842

Keywords

Article
Publication date: 29 April 2021

Jae-Eun Jon and Sung-Sang Yoo

The purpose of this paper is to analyze the policy trends for the internationalization of higher education in Korea, and suggest a future direction toward the pursuit of…

Abstract

Purpose

The purpose of this paper is to analyze the policy trends for the internationalization of higher education in Korea, and suggest a future direction toward the pursuit of Sustainable Development Goals (SDGs).

Design/methodology/approach

This paper presents a case study of Korea focusing on its internationalization in higher education. In order to analyze the government policy trends and institutional strategies for internationalization, the relevant literature and documents were analyzed.

Findings

The government policy for the internationalization of higher education in Korea has consisted of three stages: first, controlled outbound mobility; second, a major shift and focus on inbound mobility, recently along with intraregional cooperation for both directions of mobility in Asia and third, the beginning of efforts toward the pursuit of the SDGs, which needs to be expanded and systematized further.

Originality/value

This paper shows presents the comprehensive review of internationalization policies in Korean higher education, including the recent programs and changes at both the governmental and institutional levels. There has been a notable lack of discussion on the SDGs in relation to the internationalization of Korean higher education, which is addressed in this paper.

Details

International Journal of Comparative Education and Development, vol. 23 no. 2
Type: Research Article
ISSN: 2396-7404

Keywords

Open Access
Article
Publication date: 31 December 2003

Hyung Do Ahn and Hong Shik Lee

The real costs of trade, the transport and other costs of doing business internationally, are very important determinants of a country's ability to participate fully in the world…

Abstract

The real costs of trade, the transport and other costs of doing business internationally, are very important determinants of a country's ability to participate fully in the world economy. Remoteness and poor transport and communications infrastructure isolate countries, inhibiting their participation in global production networks. This paper investigates the dependence of transport costs on geography and infrastructure It shows that infrastructure is quantitatively important in determining transport costs, and improvements in infrastructure can dramatically increase trade flows. It also finds that the low level of Northeast Asian countries' trade flows is largely due to poor infrastructure. Competition among countries in East Asia to maintain or become a logistic hub in the region is severe. This is reflected in the competition to build or expand airports and seaports in the region. Competing countries need to find ways of cooperating to achieve an efficient resource allocation in the region as a whole.

Details

Journal of International Logistics and Trade, vol. 1 no. 1
Type: Research Article
ISSN: 1738-2122

Book part
Publication date: 28 September 2020

JaeBin Ahn

This chapter provides a theory model of trade finance to explain the “great trade collapse.” The model shows that, first, the riskiness of international transactions rises…

Abstract

This chapter provides a theory model of trade finance to explain the “great trade collapse.” The model shows that, first, the riskiness of international transactions rises relative to domestic transactions during economic downturns; and second, the exclusive use of a letter of credit in international transactions exacerbates a collapse in trade during a financial crisis. The basic model considers banks’ optimal screening decisions in the presence of counterparty default risks. In equilibrium, banks will maintain a higher precision screening test for domestic firms and a lower precision screening test for foreign firms, which constitutes the main mechanism of the model.

Details

Emerging Market Finance: New Challenges and Opportunities
Type: Book
ISBN: 978-1-83982-058-8

Keywords

Article
Publication date: 7 March 2016

Silja Korhonen-Sande and Jon Bingen Sande

This paper aims to improve customer knowledge management practices in industrial firms by examining the role of knowledge integration mechanisms (KIMs) and customer-oriented…

1412

Abstract

Purpose

This paper aims to improve customer knowledge management practices in industrial firms by examining the role of knowledge integration mechanisms (KIMs) and customer-oriented reward systems in non-marketing managers’ use of customer information.

Design/methodology/approach

Cross-sectional survey data were collected from 221 R & D and manufacturing managers from large, Finnish industrial companies. Ordinary least squares regression with bootstrap procedures was used to test the hypotheses.

Findings

The use of KIMs mediates the positive effect of customer-oriented reward systems on non-marketing managers’ use of customer information. However, non-marketing managers’ previous work experience in sales and marketing negatively moderates the effect of customer-oriented reward systems on the use of customer information. The use of knowledge integration systems mediates this moderation effect.

Research limitations/implications

This paper provides empirical evidence concerning the antecedents of successful customer knowledge transfer from sales and marketing to R & D and manufacturing. The findings imply that non-marketing managers with T-shaped skills (previous work experience also in sales and marketing) are unlikely to increase their use of KIMs if they are exposed to customer-oriented reward systems. Hence, broadening employees’ knowledge base substitutes for using customer-oriented reward systems as a tool for improving customer information use.

Originality/value

Building on the research on customer knowledge management, marketing’s cross-functional relationships and the motivation for knowledge transfer, this paper increases our understanding of how to develop organizational support for customer knowledge transfer. The authors consider both the impact of reward systems and their interaction with employees’ knowledge and skills.

Details

Journal of Business & Industrial Marketing, vol. 31 no. 2
Type: Research Article
ISSN: 0885-8624

Keywords

Article
Publication date: 5 July 2023

Safoora Pitsi, Jon Billsberry and Mary Barrett

This paper contributes to leadership categorization theory by advocating a new method to surface people's implicit leadership theories. The purpose of this new approach is to…

Abstract

Purpose

This paper contributes to leadership categorization theory by advocating a new method to surface people's implicit leadership theories. The purpose of this new approach is to simultaneously capture individual difference in how they conceptualize leadership but within a common framework to allow for comparison of within- and between-person effects.

Design/methodology/approach

The authors conduct a narrative review of the implicit leadership theory, leadership categorization theory, cognitive mapping and verbal protocol literature with the purpose of surfacing a research method that will overcome the problems of over-simplification and over-individualization in existing methods.

Findings

The authors argue that using a combination of cognitive mapping and verbal protocols can capture the idiosyncrasies of individual lay theories of leadership while retaining the ability to compare people's responses through a common framework. The authors provide an example of how this method can be used to elicit people's perceptions of one aspect of implicit leadership theories, intelligence.

Research limitations/implications

This new method will provide a methodology to test the subset propositions advocated by leadership categorization theory. These include the idea that subordinate level implicit leadership theories contain a subset of attributes found in the basic-level implicit leadership theories, that there is attribute integrity in superordinate implicit leadership theories through the levels, and the idea that people define leadership differently depending on the context they are observing.

Originality/value

Whereas previous approaches to surfacing people's implicit leadership theories either heavily constrain their responses with a predetermined generic suite of attributes or are totally open-ended and idiosyncratic, the authors advocate an approach that combines the best of both.

Details

Baltic Journal of Management, vol. 18 no. 5
Type: Research Article
ISSN: 1746-5265

Keywords

Article
Publication date: 3 January 2017

Jon S.T. Quah

The purpose of this paper is to explain why Singapore has succeeded in curbing corruption and to recommend three measures for enhancing South Korea’s anti-corruption strategy.

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Abstract

Purpose

The purpose of this paper is to explain why Singapore has succeeded in curbing corruption and to recommend three measures for enhancing South Korea’s anti-corruption strategy.

Design/methodology/approach

The paper compares the contextual differences between Singapore and South Korea before analysing Singapore’s effective anti-corruption strategy and identifying the weaknesses of South Korea’s anti-corruption strategy.

Findings

Singapore’s success in minimising corruption is the result of its government’s strong political will and the adequate budget, personnel and operational autonomy given to the Corrupt Practices Investigation Bureau to enable it to enforce the anti-corruption laws impartially. To improve South Korea’s anti-corruption strategy, the Korea Anti-Corruption Agency should be established and adequately staffed and funded to investigate corruption cases. Those found guilty of corruption offences should be punished according to the law, without suspending their jail sentences or being pardoned by the president. Finally, the existing public outreach anti-corruption programmes should be evaluated to identify their weaknesses and improve their effectiveness.

Originality/value

This paper recommends three measures for South Korean policy-makers to improve their anti-corruption strategy by learning from Singapore’s success.

Details

Asian Education and Development Studies, vol. 6 no. 1
Type: Research Article
ISSN: 2046-3162

Keywords

Book part
Publication date: 26 November 2013

Jon S. T. Quah

Corruption was a serious problem in Singapore during the British colonial period and especially after the Japanese Occupation (February 1942–August 1945) mainly because of the…

Abstract

Corruption was a serious problem in Singapore during the British colonial period and especially after the Japanese Occupation (February 1942–August 1945) mainly because of the lack of political will to curb it by the incumbent governments. In contrast, the People’s Action Party (PAP) government, which assumed office in June 1959 after winning the May 1959 general election, demonstrated its political will with the enactment of the Prevention of Corruption Act (POCA) in June 1960, which strengthened the capacity of the Corrupt Practices Investigation Bureau (CPIB) to combat corruption effectively. Indeed, Singapore’s success in curbing corruption is reflected in its consistently high scores on Transparency International’s Corruption Perceptions Index (CPI) from 1995 to 2012 as the least corrupt country in Asia. Singapore was ranked first with Denmark and New Zealand in the 2010 CPI with a score of 9.30. Similarly, Singapore has been ranked first in the Political and Economic Risk Consultancy (PERC) annual surveys on corruption from 1995 to 2013. Why has Singapore succeeded in minimizing the problem of corruption when many other Asian countries have failed to do so? What lessons can these countries learn from Singapore’s experience in combating corruption? This chapter addresses these two questions by first describing Singapore’s favorable policy context, followed by an identification of the major causes of corruption during the British colonial period and Japanese Occupation, and an evaluation of the PAP government’s anti-corruption strategy.

Details

Different Paths to Curbing Corruption
Type: Book
ISBN: 978-1-78190-731-3

Article
Publication date: 5 May 2021

Kalani Chamika Dahanayake and Nipuni Sumanarathna

This paper aims to explore the opportunities of integrating internet of things (IoT) with building information modelling (BIM) to support the digital transformation of facilities…

1568

Abstract

Purpose

This paper aims to explore the opportunities of integrating internet of things (IoT) with building information modelling (BIM) to support the digital transformation of facilities management (FM). In this regard, a conceptual framework is proposed to implement IoT-BIM-based smart FM in buildings.

Design/methodology/approach

A semi-systematic literature review was conducted to examine the opportunities of integrating IoT-BIM-based smart FM.

Findings

BIM models are seldom used during the operations stage, and the comprehensive digital information developed during the design and construction stage is not efficiently used throughout the building’s life cycle. Therefore, this paper suggests that IoT-BIM can be effectively integrated into six FM functions, namely, energy management, operations and maintenance management, space management, FM project management, emergency management and quality management. IoT-BIM provides a beneficial platform for the digital transformation in FM, optimising the effectiveness and efficiency of buildings.

Originality/value

As a recent approach, the integration of BIM with IoT has created a new direction for moving from traditional FM to digitalise smart FM. However, the adaptation of IoT-BIM concept, particularly for FM, is yet to be explored. Hence, this paper contributes to the IoT-BIM research in the FM domain by highlighting six IoT-BIM-based smart FM for digital transformation in FM.

Details

Journal of Facilities Management , vol. 20 no. 3
Type: Research Article
ISSN: 1472-5967

Keywords

Article
Publication date: 4 January 2022

Lei Zheng, Jon D. Elhai, Miao Miao, Yu Wang, Yiwen Wang and Yiqun Gan

Health-related online fake news (HOFN) has become a major social problem. HOFN can lead to the spread of ineffective and even harmful remedies. The study aims to understand…

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Abstract

Purpose

Health-related online fake news (HOFN) has become a major social problem. HOFN can lead to the spread of ineffective and even harmful remedies. The study aims to understand Internet users' responses to HOFN during the coronavirus (COVID-19) pandemic using the protective action decision model (PADM).

Design/methodology/approach

The authors collected pandemic severity data (regional number of confirmed cases) from government websites of the USA and China (Studies 1 and 2), search behavior from Google and Baidu search engines (Studies 1 and 2) and data regarding trust in two online fake news stories from two national surveys (Studies 2 and 3). All data were analyzed using a multi-level linear model.

Findings

The research detected negative time-lagged relationships between pandemic severity and regional HOFN search behavior by three actual fake news stories from the USA and China (Study 1). Importantly, trust in HOFN served as a mediator in the time-lagged relationship between pandemic severity and search behavior (Study 2). Additionally, the relationship between pandemic severity and trust in HOFN varied according to individuals' perceived control (Study 3).

Originality/value

The authors' results underscore the important role of PADM in understanding Internet users' trust in and search for HOFN. When people trust HOFN, they may seek more information to implement further protective actions. Importantly, it appears that trust in HOFN varies with environmental cues (regional pandemic severity) and with individuals' perceived control, providing insight into developing coping strategies during a pandemic.

Details

Internet Research, vol. 32 no. 3
Type: Research Article
ISSN: 1066-2243

Keywords

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