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Jian-Xiu Wang
School of Management Science and Engineering, Shanxi University of Finance and Economics, Taiyuan, 030006, China

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Journal article
Published: 17 July 2020 in Journal of Cleaner Production
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In scientific journals published all over the world, the economic performance of firms with ISO 14001 certification is a highly controversial topic. This controversy is particularly evident in developing countries. With regard to this topic, we maintain a neutral position in this paper. Using the data of 63 firms from the Shenzhen and Shanghai Stock Exchanges in China during the period of 2003–2018, and employing the difference-in-difference method, we analyze the influence of ISO 14001 certification on firms’ financial performance. We also examine the moderating effect of firm size and age, considering the time factor. In addition, we test the influence of ISO 14001 certification on exports, using China’s provincial data from 2008 to 2018. The results indicate that ISO 14001 certification negatively affects the financial performance of firms; also, the negative effects decrease in line with the increase of certification time. Firm size and age are positively related to the relationship between ISO 14001 certification and a firm’s financial performance. At the same time, ISO 14001 certification can effectively improve a firm’s competitiveness in the international market. The study combines two opposing positions found in existing literature regarding the effectiveness of ISO 14001 certification. The results show that ISO 14001 certification will ultimately have a positive impact on China’s economy, but that influence should be correctly evaluated in terms of the effect on small and medium-sized enterprises. Some suggestions for firm managers and the government are then discussed.

ACS Style

Jian-Xiu Wang; Meng-Zhen Zhao. Economic impacts of ISO 14001 certification in China and the moderating role of firm size and age. Journal of Cleaner Production 2020, 274, 123059 .

AMA Style

Jian-Xiu Wang, Meng-Zhen Zhao. Economic impacts of ISO 14001 certification in China and the moderating role of firm size and age. Journal of Cleaner Production. 2020; 274 ():123059.

Chicago/Turabian Style

Jian-Xiu Wang; Meng-Zhen Zhao. 2020. "Economic impacts of ISO 14001 certification in China and the moderating role of firm size and age." Journal of Cleaner Production 274, no. : 123059.

Journal article
Published: 19 May 2017 in Sustainability
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Cost evolution has an important influence on the commercialization and large-scale application of power technology. Many researchers have analyzed the quantitative relationship between the cost of power technology and its influencing factors while establishing various forms of technical learning curve models. In this paper, we focus on the positive effects of the policy on research and development (R&D) learning by summarizing and comparing four energy technology cost models based on learning curves. We explore the influencing factors and dynamic change paths of power technology costs. The paper establishes a multi-stage dynamic two-factor learning curve model based on cumulative R&D investment and the installed capacity. This work presents the structural changes of the influencing factors at various stages. Causality analysis and econometric estimation of learning curves are performed on wind power and other power technologies. The conclusion demonstrates that a “learn by researching” approach had led to cost reduction of wind power to date, but, in the long term, the effect of “learn by doing” is greater than that of “learn by researching” when R&D learning is saturated. Finally, the paper forecasts the learning rates and the cost trends of the main power technologies in China. The work presented in this study has implications on power technology development and energy policy in China.

ACS Style

Yan Xu; Jiahai Yuan; Jianxiu Wang. Learning of Power Technologies in China: Staged Dynamic Two-Factor Modeling and Empirical Evidence. Sustainability 2017, 9, 861 .

AMA Style

Yan Xu, Jiahai Yuan, Jianxiu Wang. Learning of Power Technologies in China: Staged Dynamic Two-Factor Modeling and Empirical Evidence. Sustainability. 2017; 9 (5):861.

Chicago/Turabian Style

Yan Xu; Jiahai Yuan; Jianxiu Wang. 2017. "Learning of Power Technologies in China: Staged Dynamic Two-Factor Modeling and Empirical Evidence." Sustainability 9, no. 5: 861.