Enock Mintah Ampaw

Koforidua Technical University

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Yuguo Jiang

Sichuan Normal University

Dennis Asante

Flinders University

Junwu Chai

University of Electronic Science and Technology of China

Koffi Dumor

University of Electronic Science and Technology of China

Jacob Azaare

Navrongo Health Research Centre

Joseph Frempong

Koforidua Technical University

Edem Koffi Amouzou

University of Electronic Science and Technology of China

Samuel Gyamerah

RMIT University

Zheng He

Air Force Engineering University

Samuel Lartey

Korle Bu Teaching Hospital

Cooperative Institutions

University of Electronic Science and Technology of China

Koforidua Technical University

Sichuan Normal University

Kwame Nkrumah University of Science and Technology

C.K. Tedam University of Technology and Applied Sciences

Chengdu University of Technology

University of Ghana

University for Development Studies

Chinese Academy of Medical Sciences & Peking Union Medical College

Ghana Communication Technology University

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An Autoregressive Integrated Moving Average (ARIMA) Model For Ghana’s Inflation (1985 – 2011).

Mathematical theory and modeling (2013)

Buckman Akuffo Enock Mintah Ampaw

Inflation analysis is indispensable in a developing country like Ghana, which is struggling to achieve the Millennium Development goals. A literature gap exists in appropriate statistical model on economic variables in Ghana, thus motivating the authors to come up with a model that could be used to forecast inflation in Ghana. This paper presents a model of Ghana’s monthly inflation from January 1985 to December 2011 and use the model to forecast twelve (12) months inflation for Ghana. Using the Box – Jenkins (1976) framework, the autoregressive integrated moving average (ARIMA) was employed to fit a best model of ARIMA. The seasonal ARIMA model, SARIMA (1, 1, 2) (1, 0, 1) was chosen as the best fitting from the ARIMA family of models with least Akaike Information Criteria (AIC) of 1156.08 and Bayesian Information Criteria (BIC) of 1178.52. The selected model was used to forecast monthly inflation for Ghana for twelve (12) months. Keywords: Inflation, time series, autoregressive, moving average, differencing

Akaike information criterion

Bayesian information criterion

Box–Jenkins

Moving average

Moving-average model

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Citations (2)

More than one road goes to Rome: Understanding the complex behavioral solutions of mobile money clientele from the lens of fsQCA

International Journal of Technology and Management Research (2021)

Enock Mintah Ampaw Albert Adu-Sackey Samuel Baffoe Joseph Frempong Nborlen Mark Nte-Adik

The study was commissioned to investigate the complex behavioral dispositions of the mobile money service industry in Ghana, and its associated operational challenges. To achieve this, the views of 417, participants were sampled via a structured survey instrument. Tosmana and AMOS Graphics were used to analyze the sample data. The findings of the study demonstrate that the behavioral dispositions of mobile money clientele can be explained through twelve complex solutions. The six-factor model of the study constructs produced an overall solution coverage of 0.94, and an overall solution consistency of 0.80. Furthermore, the AVE and Cronbach’s alpha statistics of the study constructs were found to be above the recommended threshold of > 0.5 and ≥ 0.7, respectively. Moreover, cyber fraud, risky service landscape, poor network, insufficient electronic funds, unforgiven competition, and low financial literacy were identified as the main challenges bedeviling the mobile money industry. It is therefore, recommended that mobile money service providers as a matter of urgency must devise strategies to arrest these challenges in order to heighten service quality in the industry. Again, to ensure market leadership within the mobile money service industry, managers must develop varied product offerings to meet customers’ expectation in each stratum of the twelve complex solutions as enshrined in the findings of the study. Citation: Ampaw, M. E., Adu-Sackey, A., Baffoe, S., Frempong, J., Nbolen, M. N. A. and Azaare, J. (2021). More than one road goes to Rome: Understanding the complex behavioral solutions of mobile money clientele from the lens of fsQCA. International Journal of Technology and Management Research (IJTMR), Vol. 6 (2): Pp.1－20. Received: January 3, 2021Accepted: September 1, 2021

Mobile Payment

10.47127/ijtmr.v6i2.122

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The influence of ambidextrous leadership on the employee innovative behavior: an empirical study based on Chinese manufacturing enterprises

Current Psychology (2021)

Yuguo Jiang Dennis Asante Zhang Jie Enock Mintah Ampaw

Empirical Research

10.1007/s12144-021-02233-1

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Citations (20)

The Effects of Simmelian Ties on Innovation of Low-carbon Technology: A study of top managers' environmental awareness and stakeholder pressure in China

Research Square (Research Square) (2022)

Yuguo Jiang Dennis Asante Enock Mintah Ampaw Yangchen Zheng

Abstract Low-carbon technology innovation (LTI) engenders environmental protection and socio-economic development. Hence, low-carbon innovation of enterprises becomes a crucial policy arena for national development and climate mitigation strategy. LTI is now associated with the reputation and competitive edge of enterprises. We constructed a framework to empirically explore the impact of simmelian ties (ST) on LTI, testing the moderating effect of stakeholder pressure in this relationship. We used a sample of 385 employees from industrial enterprises in China through a structured questionnaire. The study results show that: first, when the enterprise is in a strong ST, the top managers' awareness of environmental benefits has a significant positive impact on LTI. Second, when the enterprise is in a weak ST, top managers' awareness of environmental risk has a significant positive impact on LTI. Third, pressure of key stakeholders and pressure of secondary stakeholders positively moderate the interaction between ST and top managers' environmental awareness (TMEA) on the impact of LTI. Fourth, the moderating effect of key stakeholders pressure was observed to be stronger than that of secondary stakeholders pressure. Theoretically, this paper contributes to literature by developing a framework to investigate interaction between ST, TMEA, and LTI under different stakeholder pressure. Against this framework, we provide a theoretical reference for enterprises to choose the appropriate and optimal TMEA for competitive edge.

Stakeholder Engagement

Stakeholder Theory

Sample (material)

10.21203/rs.3.rs-1614002/v1

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To Have Your Cake and Eat It? A Two-Period Model for Retailers’ Mixed Bundling or Reserved Product Pricing Strategies in Response to Supplier Encroachment

IEEE Access (2019)

Junwu Chai Zhifeng Qian Enock Mintah Ampaw Hong Chen

In practice, many brand products retailers have adopted mixed bundling (MB) and reserved product pricing (RPP) in response to external competition, such as supplier's encroachment. There is scanty literature which addresses such flexibility among retailers and its impact on a dual-channel supply chain. To fill this void, we considered a two-period dual-channel model in which one of the two manufacturers sells a product through a direct channel; and through an independent retailer who can bundle two manufacturers' products together (Model M) and reduce their reservation prices (Model R). Our central result demonstrates that, although both MB and RPP strategies can indeed improve retailer's profitability, MB strategy creates strategic issues that are significantly different from that of RPP strategy. More specifically, relative to MB strategy, the retailer's RPP strategy is always detrimental to the manufacturer. Finally, to avoid the retailer's strategic choice for RPP, we designed a revenue sharing contract which can achieve perfect coordination of the supply chain ecosystem.

Stackelberg competition

10.1109/access.2019.2923811

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Citations (3)

Paternalistic leadership, employee creativity, and retention: The role of psychological empowerment

International Journal of Cross Cultural Management (2022)

Samuel Gyamerah Zheng He Dennis Asante Enock Mintah Ampaw Emmanuel Etto Doudu Gyamerah

Drawing upon the cognitive evaluation theory, this study examined the relationship among the three dimensions of paternalistic leadership, namely, authoritarianism, benevolence, and morality on both employee creativity and intention to stay. Data from 344 subordinates and 132 leaders/supervisors were collected from 32 SMEs in the manufacturing industry of Ghana. The findings of the study revealed that while authoritarian leadership has a negative relationship with creativity, benevolent leadership impacts positively on both creativity and intention to stay. No significant relationship was recorded between moral leadership and creativity, as well as authoritarian leadership and intention to stay. Moreover, psychological empowerment was found to mediate the relationship among benevolent leadership, creativity, and intention to stay, as well as between moral leadership and intention to stay. The study provides a fresh practical and theoretical perspective on the underlying mechanism pertaining to the relationship among paternalistic leadership, creativity, and intention to stay.

Paternalism

Authoritarian leadership style

10.1177/14705958221081636

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Citations (17)

Situating Africa in the exports patterns of China's Belt and Road Initiative: A network analysis

African Development Review (2021)

Koffi Dumor Li Yao Enock Mintah Ampaw Charles Hackman Essel Edwina Oheneasi Essel

Abstract This study analytically examines the structure and characteristics of China's Belt and Road Initiative (BRI) and African trade networks by applying network analysis techniques through a critical and in‐depth description of the international trade of Eastern African countries as part of the world trade network. Sixty‐four countries' trade flow data between 2000 and 2018 from the International Monetary Fund, was used, and the network indices indicate that the BRI significantly enhances the trade network's connectivity. The empirical results indicate that density, the degree of centralization, and average node intensity are typically growing, and China is in the central position of the network. Furthermore, East African intra‐regional trade tends to be more densely connected under the BRI. This, in effect, demonstrates that the BRI countries have experienced a rise in intra‐regional trade at different levels of economic development. Therefore, this study recommends that policymakers should consider the BRI's critical role in reforming trade policies to build a resilient and sustainable African economy.

Position (finance)

Network Structure

10.1111/1467-8268.12540

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Citations (8)

Rethinking small-scale gold mining in Ghana: A holy grail for environmental stewardship and sustainability

Journal of Cleaner Production (2024)

Enock Mintah Ampaw Junwu Chai Yuguo Jiang Adjei Peter Darko Kwame Simpe Ofori

10.1016/j.jclepro.2024.140683

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Citations (5)

Examining the Impact of Environmental, Social and Governance Scores on Financial Performance of Listed Companies on the German Stock Exchange (XETRA)

Science Journal of Business and Management (2023)

Jacob Azaare Zhao Wu Socrates Kwadwo Modzi Ping Li Enock Mintah Ampaw

As investors' knowledge on sustainability concerns rises, the concept and interest of sustainable investment continue to expand and become increasingly attractive as the global financial market is considered an effective and powerful tool in the process of developing sustainable economies. Although sustainability is not a new concept in the financial market, its recent recognition and wider adoption has increased as consumers, investors, businesses, and world leaders have become more sensitive and concerned about the future of the planet. Hence, this paper re-examines the impact of environmental, social, and governance (ESG) scores on the financial performance of the listed companies on the German Stock Exchange from 2011 to 2021. With a total of 450 listed firms and 4,950 observations sourced from the Refinitiv database, vector autoregressive (PVAR) together with the system-generalized method of moments (system-GMM) and robust panel multiple regression models were employed to examine the impact and causal relationship between ESG scores and corporate financial performance. The results suggest that ESG scores contribute to organizations' financial performance. We found that better ESG ratings increase companies' systematic risk (volatility), which could boost or increase their stocks' returns. The study however did not find Granger causality between ESG scores and the accounting-based financial performance (ROA), but it did for the market-based financial performance (Tobin's Q). It showed that ESG scores negatively Granger cause firms' financial performance. In a nutshell, organizations' financial performance may be improved by having a higher ESG score and performing better in the social dimension. Overall, the evidence supports the idea that a business case exists for sustainability and corporate social responsibility.

10.11648/j.sjbm.20231102.12

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Citations (1)

Green innovation dynamics in Chinese manufacturing enterprises: a new institutional and stakeholder theory inquiry

Environment Development and Sustainability (2024)

Yuguo Jiang Enock Mintah Ampaw Dennis Asante Hongyan Wu Gloria Essilfie

Dynamics

Stakeholder Theory

Green innovation

10.1007/s10668-024-05024-3

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Citations (5)