440 citations · 5k across the 111 of their papers we have counts for
112 papers
Import dependence and per capita production are main determinants of economies' food supply robustness under production shocks
Han-Yu Zhu, Maria Cristina Rulli, Wei-Xing Zhou
Food supply shocks in major producing economies can propagate through trade networks and generate uneven impacts across the global food system. This study examines the robustness o…
Structural evolution of international crop trade networks
Yin-Ting Zhang, Wei-Xing Zhou
Food security is a critical issue closely linked to human being. With the increasing demand for food, international trade has become the main access to supplementing domestic food…
Contemporaneous and lagged spillovers between agriculture, crude oil, carbon emission allowance, and climate change
Yan-Hong Yang, Ying-Hui Shao, Wei-Xing Zhou
In this paper, we examine the dynamic spillovers among the crude oil, carbon emission allowance, climate change, and agricultural markets. Adopting a novel decomposed connect…
Resilience of international oil trade networks under extreme event shock-recovery simulations
Na Wei, Wen-Jie Xie, Wei-Xing Zhou
With the frequent occurrence of black swan events, global energy security situation has become increasingly complex and severe. Assessing the resilience of the international oil tr…
The impact of geopolitical risk on the international agricultural market: Empirical analysis based on the GJR-GARCH-MIDAS model
Yun-Shi Dai, Peng-Fei Dai, Wei-Xing Zhou
The current international landscape is turbulent and unstable, with frequent outbreaks of geopolitical conflicts worldwide. Geopolitical risk has emerged as a significant threat to…
Impact of the Russia-Ukraine conflict on the international staple agrifood trade networks
Yin-Ting Zhang, Mu-Yao Li, Wei-Xing Zhou
The Russia-Ukraine conflict is a growing concern worldwide and poses serious threats to regional and global food security. Using monthly trade data for maize, rice, and wheat from…
Uncovering the Sino-US dynamic risk spillovers effects: Evidence from agricultural futures markets
Han-Yu Zhu, Peng-Fei Dai, Wei-Xing Zhou
Agricultural products play a critical role in human development. With economic globalization and the financialization of agricultural products continuing to advance, the interconne…
The impact of the Russia-Ukraine conflict on the extreme risk spillovers between agricultural futures and spots
Wei-Xing Zhou, Yun-Shi Dai, Kiet Tuan Duong +1
The ongoing Russia-Ukraine conflict between two major agricultural powers has posed significant threats and challenges to the global food system and world food security. Focusing o…
Correlation structure analysis of the global agricultural futures market
Yun-Shi Dai, Ngoc Quang Anh Huynh, Qing-Huan Zheng +1
This paper adopts the random matrix theory (RMT) to analyze the correlation structure of the global agricultural futures market from 2000 to 2020. It is found that the distribution…
An interpretable machine-learned model for international oil trade network
Wen-Jie Xie, Na Wei, Wei-Xing Zhou
Energy security and energy trade are the cornerstones of global economic and social development. The structural robustness of the international oil trade network (iOTN) plays an im…
Economy importance and structural robustness of the international pesticide trade networks
Jian-An Li, Li Wang, Wen-Jie Xie +1
Pesticides are a kind of agricultural input, whose use can greatly reduce yield loss, regulate plant growth, effectively liberate agricultural productivity, and improve food securi…
Impact of shocks to economies on the efficiency and robustness of the international pesticide trade networks
Jian-An Li, Li Wang, Wen-Jie Xie +1
Pesticides are important agricultural inputs to increase agricultural productivity and improve food security. The availability of pesticides is partially achieved through internati…
Quantifying the temporal stability of international fertilizer trade networks
Mu-Yao Li, Li Wang, Wen-Jie Xie +1
The importance of fertilizers to agricultural production is undeniable, and most economies rely on international trade for fertilizer use. The stability of fertilizer trade network…
Evolving community structure in the international pesticide trade networks
Jian-An Li, Li Wang, Wen-Jie Xie +1
The statistical properties including community structure of the international trade networks of all commodities as a whole have been studied extensively. However, the international…
Hierarchical contagions in the interdependent financial network
William A. Barnett, Xue Wang, Hai-Chuan Xu +1
We derive the default cascade model and the fire-sale spillover model in a unified interdependent framework. The interactions among banks include not only direct cross-holding, but…
How does economic policy uncertainty comove with stock markets: New evidence from symmetric thermal optimal path method
Ying-Hui Shao, Yan-Hong Yang, Wei-Xing Zhou
We revisit the dynamic relationship between domestic economic policy uncertainty and stock markets using the symmetric thermal optimal path (TOPS) method. We observe different inte…
Robustness of the international oil trade network under targeted attacks to economies
N. Wei, W. -J. Xie, W. -X. Zhou
In the international oil trade network (iOTN), trade shocks triggered by extreme events may spread over the entire network along the trade links of the central economies and even l…
Highway freight transportation diversity of cities based on radiation models
Li Wang, Jun-Chao Ma, Zhi-Qiang Jiang +2
Using a unique data set containing about 15.06 million truck transportation records in five months, we investigate the highway freight transportation diversity of 338 Chinese citie…
The role of global economic policy uncertainty in predicting crude oil futures volatility: Evidence from a two-factor GARCH-MIDAS model
Peng-Fei Dai, Xiong Xiong, Wei-Xing Zhou
This paper aims to examine whether the global economic policy uncertainty (GEPU) and uncertainty changes have different impacts on crude oil futures volatility. We establish single…
Evolving efficiency and robustness of global oil trade networks
Wen-Jie Xie, Na Wei, Wei-Xing Zhou
As a vital strategic resource, oil has an essential influence on the world economy, diplomacy and military development. Using oil trade data to dynamically monitor and warn about i…
Horse race of weekly idiosyncratic momentum strategies with respect to various risk metrics: Evidence from the Chinese stock market
Huai-Long Shi, Wei-Xing Zhou
This paper focuses on the horse race of weekly idiosyncratic momentum (IMOM) with respect to various idiosyncratic risk metrics. Using the A-share individual stocks in the Chinese…
A global economic policy uncertainty index from principal component analysis
Peng-Fei Dai, Xiong Xiong, Wei-Xing Zhou
This paper constructs a global economic policy uncertainty index through the principal component analysis of the economic policy uncertainty indices for twenty primary economies ar…
Comparative analysis of layered structures in empirical investor networks and cellphone communication networks
Peng Wang, Jun-Chao Ma, Zhi-Qiang Jiang +2
Empirical investor networks (EIN) proposed by \cite{Ozsoylev-Walden-Yavuz-Bildik-2014-RFS} are assumed to capture the information spreading path among investors. Here, we perform a…
Cross-shareholding networks and stock price synchronicity: Evidence from China
Fenghua Wen, Yujie Yuan, Wei-Xing Zhou
This paper investigates the effect of cross-shareholding on stock price synchronicity, as a measure of price informativeness, of the listed firms in the Chinese stock market. We ga…