Related Experiment Videos
Global electric vehicle network: Structural patterns and news sentiment
Ling Li1, Miaomiao Tao2, Suai Che3
1Department of Economics, Faculty of Business and Economics, The University of Auckland, Auckland, New Zealand.
Journal of Environmental Management
|August 9, 2026
Summary
Media sentiment significantly impacts electric vehicle (EV) trade, with positive coverage boosting exports. Environmental policies targeting energy use and pollution amplify this effect, while negative news has a limited impact on global EV market dynamics.
Area of Science:
- International Trade
- Environmental Policy
- Media Studies
Background:
- The global electric vehicle (EV) market is rapidly expanding, influencing international trade dynamics.
- Understanding the interplay between market structures, policy interventions, and media influence on EV trade is crucial but underdeveloped.
Purpose of the Study:
- To map the global EV trade network from 2012 to 2021.
- To investigate the association between media sentiment and EV trade flows.
- To analyze how environmental policies moderate the relationship between media sentiment and EV trade.
Main Methods:
- Social network analysis to visualize the global EV trade network.
- Extended gravity model to quantify the impact of media sentiment on trade.
- Sentiment analysis using data from the GDELT database.
- Examination of policy effects on sentiment-trade relationships.
Main Results:
- The U.S., China, Germany, and Japan are identified as central players in the global EV trade network.
- Positive media coverage is linked to increased EV exports, while negative coverage has a smaller effect.
- Environmental policies focused on energy use and pollution enhance the positive impact of favorable media sentiment and mitigate the negative impact of unfavorable sentiment.
Conclusions:
- Media sentiment plays a significant role in shaping international electric vehicle trade patterns.
- Environmental regulations, particularly those concerning energy and pollution, are key moderators of media influence on EV trade.
- Policy interventions and media environments are critical factors for understanding and managing EV trade outcomes.
Related Concept Videos
Electron Carriers
Electron carriers can be thought of as electron shuttles. These compounds can easily accept electrons (i.e., be reduced) or lose them (i.e., be oxidized). They play an essential role in energy production because cellular respiration is contingent on the flow of electrons.
Over the many stages of cellular respiration, glucose breaks down into carbon dioxide and water. Electron carriers pick up electrons lost by glucose in these reactions, temporarily storing and releasing them into the electron...
Over the many stages of cellular respiration, glucose breaks down into carbon dioxide and water. Electron carriers pick up electrons lost by glucose in these reactions, temporarily storing and releasing them into the electron...
Electrical Transport
The electrical transport property of a material is defined by its resistance and conductivity. Resistance is the measure of a material's ability to resist the flow of electric current, while conductivity gauges its ability to allow the current to pass through, depending on the geometry of the measurement cell, such as electrode spacing and area. Conductivity is measured in Siemens (S). There are different types of conductance, including specific conductance, equivalent conductance, and molar...
Batteries and Fuel Cells
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
Sequence Networks of Rotating Machines
A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
Transformers in Distribution System
Transformers in distribution systems can be broadly categorized into distribution substation transformers and other distribution transformers. They are crucial for stepping down high transmission voltages to levels suitable for distribution and end-user applications.
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
Energy Carried By Electromagnetic Waves
Anyone who has used a microwave oven knows there is energy in electromagnetic waves. Sometimes, this energy is obvious, such as in the summer sun's warmth. At other times, it is subtle, such as the unfelt energy of gamma rays, which can destroy living cells. Electromagnetic waves bring energy into a system through their electric and magnetic fields. These fields can exert forces and move charges in the system and, thus, do work on them. However, there is energy in an electromagnetic wave,...