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نتیجه جستجو - Response mechanisms

تعداد مقالات یافته شده: 4
ردیف عنوان نوع
1 A Reinforcement Learning Approach for Dynamic Multi-objective Optimization
رویکرد یادگیری تقویت برای بهینه سازی چند منظوره پویا-2020
Dynamic Multi-objective Optimization Problem (DMOP) is emerging in recent years as a major real-world optimization problem receiving considerable attention. Tracking the movement of Pareto front efficiently and effectively over time has been a central issue in solving DMOPs. In this paper, a reinforcement learning-based dynamic multi-objective evolutionary algorithm, called RL-DMOEA, which seamlessly integrates reinforcement learning framework and three change response mechanisms, is proposed for solving DMOPs. The proposed algorithm relocates the individuals based on the severity degree of environmental changes, which is estimated through the corresponding changes in the objective space of their decision variables. When identifying different severity degree of environmental changes, the proposed RL-DMOEA approach can learn better evolutionary behaviors from environment information, based on which apply the appropriate response mechanisms. Specifically, these change response mechanisms including the knee-based prediction, center-based prediction and indicator-based local search, are devised to promote both convergence and diversity of the algorithm under different severity of environmental changes. To verify this idea, the proposed RL-DMOEA is evaluated on CEC 2015 test problems involving various problem characteristics. Empirical studies on chosen state-of-the-art designs validate that the proposed RL-DMOEA is effective in addressing the DMOPs.
Keywords: Dynamic multi-objective optimization | severity degree | reinforcement learning | prediction
مقاله انگلیسی
2 Entrepreneurship and management education: Exploring trends and gaps
کارآفرینی و آموزش مدیریت: بررسی روندها و شکاف ها-2020
Entrepreneurship education is one of the most popular management education subjects due to its ability to link practice with theory. Despite its popularity, research on the topic is still in its in- fancy due to the interdisciplinary nature of the field that makes it unique to study. The aim of this editorial article is to highlight how entrepreneurship education needs to change based on the digital transformation made necessary by the recent COVID-19 crisis. The importance of embedding an entrepreneurship perspective within educational practices is stated that highlights the diversity of the field. The different theoretical underpinnings of entrepreneurship education are also highlighted that suggest a need to think in new directions about possible future peda- gogical approaches. This means it is important to stress the research streams that need more attention based on crisis management techniques in order to deal with the current COVID-19 pandemic. The article makes several suggestions that make it evident that there is merit in introducing novel perspectives that change the nature and way entrepreneurship education is understood in society.
Keywords: COVID-19 | Crisis management | Education | Entrepreneurship education | Response mechanisms | Resetting research
مقاله انگلیسی
3 Covid-19 and entrepreneurship education: Implications for advancing research and practice
Covid-19 و آموزش کارآفرینی: پیامدهای پیشرفت تحقیق و عمل-2020
This article aims at critically examining the linkage between entrepreneurship education and COVID-19 in order to help understand future research and practice paths. Due to the large global impact COVID-19 has had on society, new entrepreneurial education management practices are required to deal with the change. To do this, this article discusses why COVID-19 can be a transformational opportunity for entrepreneurship education research due to the new thought processes raised by the pandemic. The article suggests several assumptions that have changed as a result of COVID-19 and how entrepreneurship education is required in order to help solve the pandemic. By doing this, the article suggests that more entrepreneurship education research embedding a COVID-19 context is required to breakthrough new frontiers and reset the research agenda. By taking an entrepreneurial stakeholder perspective that looks at entrepreneurship education as a holistic process, an enhanced analysis of how response mechanisms including recovery and change are conducted can be made. This enables a way to view the COVID-19 crisis as an opportunity for more attention placed on the importance of entrepreneurship education for society.
Keywords: COVID-19 | Crisis management | Education | Entrepreneurship education | Response mechanisms | Resetting research
مقاله انگلیسی
4 Oil price shocks and Chinese banking performance: Do country risks matter?
شوک قیمت نفت و عملکرد بانکی چین: آیا ریسک های کشور مهم است؟-2019
This paper contributes to the existing literature by investigating the impacts of oil prices on bank performance through a broad array of CAMEL (Capital adequacy, Asset quality, Management, Earnings, and Liquidity) indicators in China over the period 2000–2014. To gain further insights into this issue, we also discuss whether the correlations changewith different dimensions of country risk, i.e., economic, financial, and political,which extant studies ignored. The results reveal that oil prices have a significant impact on banking performance, as their increase triggers a reduction in banking performance in terms of capitalization, management efficiency, earning power, and liquidity. However, these adverse effects are mitigated by country stability, especially economic stability and political stability. These results are important for policy makers who should be cautious when formulating a strategy for macroeconomic stability. From the managerial perspective, bank managers should consider establishing early warning and response mechanisms on the back of oil price shocks in order to operate under better performance
Keywords : Oil price shock | Banking performance | CAMEL ratings | Country risks
مقاله انگلیسی
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