International Journal of Professional Business Review
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EVALUATION OF THE BIOSORPTION OF Mn²⁺ AND Zn²⁺ BY PASSION FRUIT PEEL: STUDY OF DOSAGE AND CONTACT TIME
Get PDFObjective: The objective of this study is to investigate he effectiveness of Mn2+ and Zn2+ biosorption by passion fruit peel as a sustainable and economically viable alternative to the biosorption process.
Method: The methodology adopted for this research comprises the characterization of the biomass and batch tests. Tests were carried out with different masses of biomass in standard solutions of the metals investigated. The biosorption capacity of the biomass and the removal efficiency were calculated based on the differences in concentration of the metal ions.
Results and Discussion: The results obtained revealed that the biomass showed high efficiency (close to 100%) for both cations. The contact time of 30 minutes was sufficient to reach equilibrium in the biosorption capacity of the metals, indicating the speed and effectiveness of the process.
Research Implications: The practical and theoretical implications of this research provide valuable information on the application of passion fruit peel as a biosorbent in the removal of potentially toxic metals from contaminated wastewater. These results may influence practices in the field of environmental remediation and environmental engineering, as well as in agro-industrial waste management.
Originality/Value: This study contributes to the literature by highlighting the originality of using passion fruit peel in natura as a biosorbent, presenting an innovative and sustainable approach to the remediation of contaminated effluents. The high efficiency of ion removal with low biomass dosages and short contact times adds knowledge to the field of biosorption using agro-industrial waste
AVALIAÇÃO PARAMÉTRICA COMPOSITIVA PARA UMA EDIFICAÇÃO RESIDENCIAL MULTIFAMILIAR EM CURITIBA-PR
Get PDFObjective: The aim of this work is to evaluate a multifamily residential building through simulation in a parametric manner, considering different constructive compositions of opaque and translucent systems and the construction costs of these compositions as variables of the evaluation scenario.
Theoretical Framework: The work is based on computational simulation practices, presenting a review of the adopted technologies and the necessary foundation for the generation and treatment of the building's performance results.
Method: The methodology adopted for this research comprises three stages: (1) identification and characterization of the problem to be evaluated by computational simulation, (2) development and configuration of the parametric evaluation model, and (3) analysis and discussion of the evaluated scenarios.
Results and Discussion: The results obtained revealed for 2970 simulations a potential RedCgTT of up to 70%, thus representing a significant improvement in the building's performance according to the normative parameter based on the changes made.
Research Implications: This work positions itself as a starting point for the evaluation of broad simulation scenarios for multifamily buildings in Curitiba, PR, aiming to contribute to the compositional decision-making process for residential projects, considering not only the solution's price but also the thermo-energetic potential benefit.
Originality/Value: Through a compositional parametric analysis, this work presents an unprecedented approach by contrasting the relationship between building performance and construction costs.As edificações residenciais multifamiliares fazem parte de um processo de adensamento populacional dos grandes centros urbanos e que, independentemente do padrão construtivo, representam um caminho a ser seguido pelo setor da construção para os próximos períodos. Neste mesmo sentido, no que tange o desempenho termoenergético destas edificações, a Norma de Desempenho NBR 15.575:2021 (ABNT, 2021) é responsável por avaliar o nível de desempenho atendimento pelas unidades habitacionais de edifícios residenciais. Como metodologia, a norma estabelece um quadro comparativo entre o edifício real e um edifício de referência, este trabalho, por sua vez, apresenta uma avaliação paramétrica compositiva de sistemas construtivos opacos e translúcidos, avaliando o potencial de aumento na Redução de Carga Térmica Total (RedCgTT), indicador estabelecido pela NBR 15.575:2021, como também dos custos construtivos médios em uma edificação residencial multifamiliar avaliada para o clima de Curitiba-PR. Os resultados obtidos para 2970 simulações realizadas mostram um potencial de RedCgTT de até 70%
RESOURCE CAPACITY PLANNING AND CLIMATE SMART AGRICULTURE IN LAIKIPIA COUNTY, KENYA
Get PDFObjective: The purpose of this study was to establish the extent to which capacity planning influences the performance of climate-smart agriculture projects in Laikipia County.
Theoretical Framework: The study was anchored on the theory of change whose pillars are planning, participation, and evaluation. These factors are critical in capacity planning of scarce resources and evaluating the effectiveness of the process.
Method: A concurrent mixed method approach that adopted the descriptive cross-sectional survey and correlational design was employed to study two World Bank-sponsored Kenya Climate Smart Agriculture projects. Stratified and Simple random sampling were employed to get a sample of 225 small-scale farmers and purposeful sampling identified four key informants. Data was collected using questionnaires and interview guide and analyzed using descriptive, inferential, and content data analysis techniques.
Results and Discussion: The respondent’s opinion on capacity planning had a composite mean and standard deviation of 2.88 and 1.219 respectively. Capacity planning and the performance of climate-smart agriculture projects had a strong correlation coefficient of r=0.644 and p-value p=0.000<0.05. Therefore, resource capacity planning is fundamental in enhancing climate-smart projects, through proactive decisions, risk management, and cost reduction.
Research Implications: Consequently, it is imperative to have policies that prioritize and promote capacity planning of the scarce public and private goods to enhance their allocation.
Originality/Value: This study contributes to the literature by providing reliable and triangulated empirical data through authentic methodology enhancing suitability for data generalisability and replicability. The relevance and value of this research was evidenced by the need to promote food security in pursuance of the achievement of sustainable development goals
THE IMPACT OF LIQUIDITY RISK ON PROFITABILITY OF LISTED DEPOSIT MONEY BANKS IN NIGERIA
Get PDFObjective: The study examined the relationship between liquidity risk and the profitability of Nigeria's listed deposit money banks in Nigeria over a 16 years period from 2008 to 2023.
Method: Panel data on cash reserve ratio, liquidity ratio, loan to deposit ratio, and return on equity were collected from the annual reports and financial statements of the five systemic banks listed on Nigerian Exchange Group from 2008-2023. Ordinary least square regression analysis, panel unit root test, Hausman test were used in analysing the data.
Results: The study found a significant positive relationship between the cash reserve ratio, loan to deposit ratio and profitability of Nigerian deposit money banks. But liquidity ratio has a negative but insignificant relationship with profitability of deposit money banks in Nigeria.
Conclusion: Based on the findings, the research recommends that the Central Bank of Nigeria (CBN) must act quickly to lower cash reserve ratios in order to help Nigeria's deposits banks operate more effectively. Banks should engage competent and qualified personnel in order to ensure that right decision are adopted with regard to the optimal level of liquidity and the loan-to-deposit ratio should be fully utilized by banks to support sales initiatives
INTEREST IN PURCHASING PRODUCTS WITH BRAND CONTENT LOVE AND COMMUNITY ENGAGEMENT ON SOCIAL MEDIA
Get PDFObjective: The objective of this study is to examine the influence of brand love, fostered by social media content, on the desire of consumers to engage with brand communities on social media, ultimately leading to purchase intentions.
Method: The research employed a non-probability random sampling procedure for data collection. Structural Equation Modeling (SEM) was utilized to test research hypotheses through models formulated using R Studio.
Result and Discussion: The findings indicate that both brand passion and brand affection significantly affect social media engagement and brand purchase intention. Brand affection notably influences brand purchase intention through engagement with social media brand communities, while the impact of brand passion on brand purchase intention through such engagement was found to be insignificant.
Research Implications: The research underscores the pivotal role of brand love in stimulating transactional desires through engagement within social media communities, thereby providing valuable insights for brands to enhance their future social media marketing strategies.
Originality/Value: To enhance brand purchase intention for skincare products in Makassar City, Indonesia, this research found that brand passion must be elevated first. This can be achieved by creating positive experiences in every interaction between the brand and consumers. Consequently, brands need to build social media communities that resonate with the affections of skincare consumers. Managers should concentrate on identifying relevant consumer expectations to cultivate an appropriate social media environment for the target audience.En la era digital actual, las empresas utilizan en gran medida las redes sociales para actividades de marketing. El contenido publicado por las marcas en las plataformas de redes sociales impacta profundamente la conexión emocional de los usuarios con la marca. El objetivo de este estudio es examinar la influencia del amor por la marca, fomentado por el contenido de las redes sociales, en el deseo de los consumidores de interactuar con las comunidades de marca en las redes sociales, lo que en última instancia conduce a intenciones de compra. La investigación empleó un procedimiento de muestreo aleatorio no probabilístico para la recolección de datos. Se utilizó el modelado de ecuaciones estructurales (SEM) para probar hipótesis de investigación a través de modelos formulados con R Studio. Los hallazgos indican que tanto la pasión como el afecto por la marca afectan significativamente la participación en las redes sociales y la intención de compra de la marca. El afecto por la marca influye notablemente en la intención de compra de la marca a través del compromiso con las comunidades de marca en las redes sociales, mientras que se encontró que el impacto de la pasión por la marca en la intención de compra de la marca a través de dicho compromiso es insignificante. La investigación subraya el papel fundamental del amor por la marca a la hora de estimular los deseos transaccionales a través de la participación dentro de las comunidades de redes sociales, proporcionando así información valiosa para que las marcas mejoren sus futuras estrategias de marketing en redes sociales.Na era digital de hoje, as empresas utilizam fortemente as mídias sociais para atividades de marketing. O conteúdo postado pelas marcas nas plataformas de mídia social impacta profundamente a conexão emocional dos usuários com a marca. O objetivo deste estudo é examinar a influência do amor à marca, promovido pelo conteúdo das redes sociais, no desejo dos consumidores de se envolverem com comunidades de marcas nas redes sociais, levando, em última análise, a intenções de compra. A pesquisa empregou procedimento de amostragem aleatória não probabilística para coleta de dados. A Modelagem de Equações Estruturais (SEM) foi utilizada para testar hipóteses de pesquisa por meio de modelos formulados no R Studio. Os resultados indicam que tanto a paixão pela marca como o afeto pela marca afetam significativamente o envolvimento nas redes sociais e a intenção de compra da marca. O afeto pela marca influencia notavelmente a intenção de compra da marca através do envolvimento com comunidades de marca nas redes sociais, enquanto o impacto da paixão pela marca na intenção de compra da marca através desse envolvimento foi considerado insignificante. A pesquisa sublinha o papel fundamental do amor à marca no estímulo de desejos transacionais através do envolvimento nas comunidades de redes sociais, fornecendo assim informações valiosas para as marcas melhorarem as suas futuras estratégias de marketing nas redes sociais
THE IMPACT OF THE CONTRIBUTION OF TRANSPORT MEANS IN ACHIEVING SUSTAINABLE LOCAL DEVELOPMENT PROGRAMMES: THE CASE OF ALGERIA
Get PDFPurpose: This study examines how the transport sector has become prominent in any country's economic, social, and urban development.
Theoretical Framework: The growth and development achieved by this transport sector extends its impact to all other sectors, especially at the local level, which affects the country’s general economic growth. This is reflected in the significant contribution that this sector makes, directly or indirectly, to the growth of the Gross Domestic Product and the increase in the financial returns to the State.
Method: We used the descriptive approach to present the study variables and the inductive approach to draw conclusions and link them to confirm the study hypothesis.
Design/Methodology/Approach: One of the most important results of the transport sector’s contribution to local economic development is its effective assistance in linking production and distribution areas with consumption areas and in ensuring the movement of individuals and the transport sector is also important in creating employment opportunities for a large part of the population, either in the transport sector itself or in other sectors related to or affected by its development.
Findings: The study demonstrated that planning transportation programs has become one of the main elements upon which the state's development programs, including local ones, are based, which depend heavily on them for their success and achieving their goals that have a direct impact socially, economically, and politically.
Originality/Value: The value of the study lies in demonstrating the impact of transportation means and their planning on the success of sustainable local development programs
THE MODERATING EFFECT OF EDUCATION LEVEL ON THE RELATIONSHIP BETWEEN TRADE OPENNESS AND EMPLOYMENT IN NORTH AFRICAN ECONOMIES
Get PDFObjective: This study explores how education level moderates the relationship between trade openness and employment in North African economies, examining whether higher education levels enhance or mitigate the employment effects of trade openness.
Theoretical Framework: The research draws on economic and educational theories to examine the interplay between human capital and economic policies. It uses trade openness theories to assess the impact of economic integration on employment, and human capital theories to analyze the role of education.
Method: The study uses a quantitative approach with panel data from North African economies (2000-2020). PLS-SEM models with interaction terms evaluate the moderating effect of education on the trade openness-employment relationship, using data from international trade databases and national educational statistics.
Results and Discussion: Findings indicate that trade openness positively influences employment, with the effect amplified by higher education levels. Economies with better education systems benefit more from trade openness in terms of employment. The discussion underscores the importance of educational investment for maximizing these benefits and addresses issues like differing educational quality and labor market conditions across countries.
Research Implications: The study suggests that North African policymakers should enhance educational systems to maximize the employment benefits of trade openness, offering practical insights into how education can help address globalization challenges and drive economic growth.
Originality/Value: This study uniquely combines education and economic policy perspectives to examine the moderation of trade openness effects on employment in North Africa, providing valuable implications for academic research and policy formulation
ENHANCING SUPPLY CHAIN DECISION-MAKING THROUGH FORECAST FIT: A QUALITATIVE AND QUANTITATIVE ANALYSIS
Get PDFObjective: This study investigates the development and relationships between the goodness of fit of demand forecasts and supply chain decision-making within organisations.
Theoretical Framework: Emphasising both qualitative and quantitative perspectives, we explore how accurate demand forecasting is integrated into organisational practices and how it influences evidence-based cultures.
Method: The study employs an empirical case study from a Chilean public health organisation to demonstrate the practical application of advanced forecasting models.
Results and Discussion: Our analysis reveals that precise forecasting methods significantly enhance inventory management, resource allocation, and cost efficiency, while fostering a data-driven decision-making culture.
Research Implications: The findings underscore the importance of integrating accurate demand forecasting into organisational practices to improve supply chain performance and decision-making.
Originality/Value: This study contributes to the literature by illustrating the effectiveness of advanced forecasting models in optimising lot-sizing decisions and achieving substantial cost savings.Este estudio investiga el desarrollo y las relaciones entre la bondad de ajuste de las previsiones de demanda y la toma de decisiones en la cadena de suministro dentro de las organizaciones. Haciendo hincapié en perspectivas tanto cualitativas como cuantitativas, exploramos cómo se integra el pronóstico preciso de la demanda en las prácticas organizacionales y cómo influye en las culturas basadas en evidencia. Nuestro análisis revela que los métodos de pronóstico precisos mejoran significativamente la gestión de inventario, la asignación de recursos y la eficiencia de costos, al tiempo que fomentan una cultura de toma de decisiones basada en datos. Un estudio de caso empírico de una organización de salud pública chilena demuestra la aplicación práctica de modelos de pronóstico avanzados, lo que ilustra su efectividad para optimizar las decisiones sobre el tamaño de los lotes y lograr ahorros sustanciales de costos.
Este estudo investiga o desenvolvimento e as relações entre a adequação das previsões de demanda e a tomada de decisões da cadeia de suprimentos nas organizações. Enfatizando perspectivas qualitativas e quantitativas, exploramos como a previsão precisa da demanda é integrada às práticas organizacionais e como ela influencia as culturas baseadas em evidências. Nossa análise revela que métodos precisos de previsão melhoram significativamente o gerenciamento de estoques, a alocação de recursos e a eficiência de custos, ao mesmo tempo que promovem uma cultura de tomada de decisão baseada em dados. Um estudo de caso empírico de uma organização chilena de saúde pública demonstra a aplicação prática de modelos avançados de previsão, ilustrando a sua eficácia na otimização de decisões sobre o tamanho dos lotes e na obtenção de poupanças substanciais de custos
EVASIÓN TRIBUTARIA: TENDENCIAS, RETOS Y OPORTUNIDADES. UNA REVISIÓN SISTEMÁTICA
Get PDFObjetivo: Este artículo revisa la literatura sobre la evasión tributaria y el desarrollo económico en países emergentes, analizando cómo la evasión fiscal afecta la capacidad de los gobiernos para financiar servicios públicos y promover el crecimiento económico sostenible.
Marco Teórico: Se exploran estudios relevantes sobre patrones globales en la evasión fiscal, el impacto de la economía informal y las limitaciones de recursos en la administración tributaria. La literatura destaca la importancia de estrategias efectivas para ampliar la base tributaria, la cooperación internacional y la adopción de tecnologías emergentes.
Método: La investigación sigue un enfoque de revisión sistemática, identificando y analizando estudios académicos y datos relevantes sobre la evasión fiscal y su impacto en el desarrollo económico.
Resultados y Discusión: La revisión revela tendencias, retos y oportunidades en la administración fiscal, subrayando la necesidad de fortalecer las políticas fiscales en contextos de alta informalidad y corrupción. Se destacan las barreras que enfrentan los gobiernos para implementar estrategias efectivas de recaudación en economías emergentes.
Implicaciones de la Investigación: Las recomendaciones incluyen la implementación de tecnologías emergentes y la cooperación internacional como herramientas clave para mejorar la administración tributaria.
Originalidad/Valor: Este estudio aporta una perspectiva comprensiva sobre cómo la evasión fiscal limita el desarrollo económico en países emergentes y propone estrategias para mitigar sus efectos negativos
INFLUENCIA DE LOS ATRIBUTOS PERSONALES EN LA INTENCIÓN EMPRENDEDORA EN ESTUDIANTES UNIVERSITARIOS DESDE UNA PERSPECTIVA DE GÉNERO
Get PDFObjetivo: El objetivo de este artículo es analizar las diferencias de los atributos personales hacia la creación de empresas que tienen los estudiantes de una universidad pública en el Ecuador, la Universidad de Cuenca, con una perspectiva de género y su influencia en la intención de emprender.
Método: Se aplicó una prueba no paramétrica a una muestra de 1.100 estudiantes para determinar las diferencias entre estudiantes hombres y estudiantes mujeres, además se realizó una regresión logística binaria para establecer si el género influye en la intención emprendedora, así como los atributos personales, las redes de apoyo y la experiencia previa.
Resultados: Los resultados revelan que existen diferencias por el género en los atributos personales para emprender. Por otro lado, el género y la experiencia laboral no tienen influencia en la intencionalidad de emprender y las redes de apoyo si tienen influencia.
Conclusiones: Al ser algunos atributos personales influyentes hacia la creación de empresas, se sugiere fortalecer las habilidades blandas en las mallas curriculares de la institución de educación superior que permita crear una actitud hacia la creación de empresas, así como fortalecer las redes de apoyo de los estudiantes