[Peng Wensheng, chief economist of China International Capital Corporation: China should make full use of economies of scale to promote the development of new energy industry]. At the 2023 Zhongguancun Forum on May 27th, Peng Wensheng, chief economist of China International Capital Corporation, head of the research department and director of the CICC Institute, said that in the face of new competitive environment such as trade protectionism and geopolitics, China should give full play to the economies of scale of big countries. This is a new bright spot for future economic growth. In the era of digital economy, the advantage of scale will be more prominent. China should make full use of economies of scale to promote the development of new energy industry. Including internal economies of scale and external economies of scale. Internal economies of scale means that enterprises enhance the level of vertical integration, while external economies of scale means that the whole industry should fully release the scale dividend on the demand side, strengthen the supply of high-quality public goods, and accelerate the layout of global production capacity. (Dong Wei, reporter of the Financial Associated Press)