The Experts below are selected from a list of 17034 Experts worldwide ranked by ideXlab platform
Adrijit Goswami - One of the best experts on this subject based on the ideXlab platform.
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Cooperative sustainable supply chain for deteriorating item and imperfect production under different carbon Emission Regulations
Journal of Cleaner Production, 2020Co-Authors: Chayanika Rout, Arjun Paul, Ravi Shankar Kumar, Debjani Chakraborty, Adrijit GoswamiAbstract:Abstract Operational adjustments in a supply chain and efficient inventory management, especially when demand is uncertain, can turn out to be an effective way in Emission reduction. Different Emission Regulation strategies influence the firms to redesign their supply chain for sustainable management. This paper develops a sustainable supply chain inventory management (SSCIM) model for a single-manufacturer and a single-buyer’s integrated approach by considering item deterioration and imperfect production simultaneously. Rework facility of produced imperfect items is available. Carbon Emissions through production, transportation, warehousing and disposal of the deteriorated items are considered. Our objective here is to implement different regulatory policies (mainly carbon tax, carbon cap-and-offset and cap-and-trade) of Emission reduction which mitigate the effect of carbon Emission by reducing its volume. We also focus on finding a trade-off between overall generated cost and carbon Emission. Hence, the mathematical model of proposed SSCIM is formulated in bi-objective framework for the purpose to minimize the operational cost and carbon Emission. Furthermore, fuzzy rule base approach, which is based on some existing survey records over the past years, is employed to predict the customers’ demand. The derived mathematical model and solution methodology are discussed and thereby illustrated with the help of numerical examples. Sensitivity analysis accounting to changes in the parameter values is also examined to highlight the managerial insights.
Olena Andres Gonzalez - One of the best experts on this subject based on the ideXlab platform.
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The impacts of the sulphur Emission Regulation on the sulphur Emission abatement innovation system in the Baltic Sea region
Clean Technologies and Environmental Policy, 2019Co-Authors: Anu Lähteenmäki-uutela, Johanna Yliskylä-peuralahti, Eunice Olaniyi, Teemu Haukioja, Sari Repka, Gunnar Prause, Olena Andres GonzalezAbstract:According to the Porter hypothesis, Regulations on environmental Emissions under certain conditions can promote eco-innovation. This is why the technological innovation systems (TIS) theory sees regulatory pressure as a major system function critical in the take-off phase. In other words, the design and timing of any Regulation may be decisive for the regulatory outcome. The research seeks to provide empirical evidence on how the Baltic Sea Sulphur Emission Control Area (SECA) has impacted the technological innovation system within the Baltic Sea Region maritime sectors. The results (1) show that regulatory compliance gave a knowledge development that has made it possible for clean-tech companies to engage in entrepreneurial activities that created new markets, (2) empirically support the TIS theory and the Porter hypothesis, and (3) provide qualitative evidence on how businesses see environmental Regulation.Graphical abstractThe innovation system for ship sulphur Emission abatement.
Zhang Xiao - One of the best experts on this subject based on the ideXlab platform.
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carbon Emission Regulation and operations in the supply chain supernetwork under stringent carbon policy
Journal of Cleaner Production, 2019Co-Authors: Jun Mao, Zhang XiaoAbstract:Abstract We consider a supply chain supernetwork constrained by stringent carbon policy of mandatory cap, the purpose of which is to examine how stringent carbon Regulations and operational decision modes jointly influnce the profitability and Emission control of the system. We show that two key aspects of caps sharing schemes and decision modes eventually constitute four basic configurations of operations environment. Drawing on these configurations, this paper formulates novel carbon-capped mathematical gaming models to portray the supply chain supernetwork operations, which is then transformed into equivalent ones based on variational inequality approach and solved by devising augmented algorithms. The algorithms empower us to conduct typical computational experiments to compare supply chain performances resulting from diverse scenarios. The results reveal that only when the mandatory cap is set in intermediate level rather than excessively mild or tight can it be effective to balance system profitability and Emission control well. Furthermore, regardless of decision modes, caps sharing scheme can always incur more system profit than the nonsharing scheme, while this rule does not apply to total carbon Emission. Specifically, it is illustrated that properly changing the combination of decision mode and cap scheme can achieve Pareto improvement on low-carbon supernetwork performances (i.e. increasing profit and reducing Emission), which is however dependent on the Emission intensities contrast of all emitting firms. This study provides the advanced analytical framework and new insights for better understanding the joint impact of stringent (mandatory) cap policies and decision modes on supply chain performances. We shed light on that properly adjusting the cap tightness and the combination of decision mode and cap-sharing scheme may achieve Paretoly improvement for individual profits and particularly attain win-win result for system profit and Emission abatement.
Tseryieth Chen - One of the best experts on this subject based on the ideXlab platform.
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a comparative study of energy utilization efficiency between taiwan and china
Energy Policy, 2010Co-Authors: Tseryieth ChenAbstract:This paper employs data envelopment analysis to evaluate energy utilization efficiency between China and Taiwan from 2002 to 2007. The most important contributions of this paper are the clear description of the systematic process of energy utilization efficiency, the efficiency comparison between China and Taiwan, the remarkable demonstration of their outputs through two non-desirable outputs (CO2 Emissions and SO2 Emissions) in the data envelopment analysis framework, and the valuable results and insights gained from the application of economic development and environmental protection. Empirical results show that the Eastern region of China enjoy higher energy utilization efficiency than the Western region. Energy utilization efficiency in Taiwan is higher than that in the Eastern region of China. In China, CO2 Emissions were 11.28% greater than they should be (from 2002 to 2007). By contrast, CO2 Emissions in Taiwan were only 1.50% in excess of what they should be since Taiwan began conducting an uninterrupted energy-saving policy and a CO2 Emission Regulation policy (Bureau of Energy, Ministry of Economic Affairs, 2009). Finally, this study employs the business strategy matrix constructed by the Boston Consulting Group (BCG Matrix) to illustrate individual evidence of the relationship between economic development efficiency and greenhouse gas efficiency.
David Gillen - One of the best experts on this subject based on the ideXlab platform.
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Modeling the effects of unilateral and uniform Emission Regulations under shipping company and port competition
Transportation Research Part E-logistics and Transportation Review, 2017Co-Authors: Dian Sheng, David GillenAbstract:This study develops an integrated model to investigate the economic and environmental effects of a unilateral maritime Emission Regulation vis-a-vis a uniform maritime Emission Regulation. The proposed model explicitly incorporates the effects of competition between regional ports and between shipping companies, and captures operational considerations such as the inventory costs of in-transit cargo, and the tradeoff between enlarged fleet size and slow steaming. The behaviors of shipping companies and ports are modeled in a two-stage game so that market equilibria under alternative Regulations can be solved and compared. The findings suggest that a unilateral Regulation may actually lead to an increase in total Emissions, whereas a uniform Regulation always reduces total Emissions. Under either type of Regulation, there can be asymmetric effects on shipping companies and ports. Therefore, regulators and the maritime industry need to strike a balance between Emission reduction and fair competition. Our study cautions against unilateral Regulations, and emphasizes the importance to take into account the effects of alternative Emission policies on the operations of shipping companies and ports.