Economy or Climate? Impact of Policy Uncertainty on Price Volatility of China’s Carbon Emission Trading Markets

Energies, Год журнала: 2025, Номер 18(10), С. 2448 - 2448

Опубликована: Май 10, 2025

Based on the economic and climate policy uncertainty index price data of major carbon emission trading markets from May 2014 to August 2023, this paper uses generalized autoregressive conditional heteroskedasticity mixing sampling (GARCH-MIDAS) model analyze impact market volatility. The results indicate following: (1) volatility in Hubei is influenced by both uncertainties, while Guangdong only affected uncertainty, Shenzhen uncertainty. (2) Before establishment national market, prices were impacted uncertainties. (3) On contrary, after was not above research conclusions are helpful for regulatory agencies policymakers assess future direction pilot provide an empirical basis preventing resolving risks. At same time, proposed GARCH-MIDAS effectively solves inconsistent frequency problem volatility, providing a new perspective study factors affecting

Язык: Английский

Assessing inter-industrial ecosystem service flows and economic benefits of sponge city: A comprehensive input-output analysis

Environmental Impact Assessment Review, Год журнала: 2025, Номер 114, С. 107955 - 107955

Опубликована: Апрель 29, 2025

Язык: Английский