This paper analyses the time and frequency dynamics of connectedness between
cryptocurrencies and commodity sectors. It supports that cryptocurrency plays a virtual …

This paper examines the dynamic nonlinear effects of the Geopolitical Risk (GPR) on
commodities using quantile methods. Our rolling window quantile estimations show that non …

There has always been a complex relationship between uncertainty and crude oil prices.
Three types of uncertainty, ie, economic policy uncertainty, geopolitical risk uncertainty, and …

Scientific environmental policies promote energy efficiency improvement by influencing the
industrial structure and investment in R&D and innovation. In view of the insufficient impact …

Eco-efficiency is an important factor in assessing the quality of development, and high-tech
industries are crucial for countries to forge green innovation paths. However, few studies …

African nations face growing debt and default risks owing to fiscal deficits, falling commodity
prices, weakening demands, the COVID-19 pandemic, and the Russia–Ukraine War. This …

In financial asset allocation, enterprises adjust their investment in R&D innovation according
to their motives and the external environment. Based on a review of the literature related to …

The development of urban digital inclusive finance has a complex network connection, and
the characteristics of this network affect urban innovation and entrepreneurship. By using …

Land use efficiency is one of the core elements for the high-quality development of food
production and agricultural industry, and land transfer can optimize the allocation of land …

With the development and refinement of the carbon emissions trading market, the
relationship between the carbon market and the stock market has grown increasingly …