Publications

You can find all my articles on Google Scholar or ORCID.

Economics

Published

Media environmental coverage and corporate green innovation: A dual-mechanism test based on incurred regulatory pressure and institutional investors’ green attention

Published in Finance Research Letters, March 2026 ESI Highly Cited Paper

Recommended citation: Chen, L., Zhang, K., & Duan, L. (2026). Media environmental coverage and corporate green innovation: A dual-mechanism test based on incurred regulatory pressure and institutional investors’ green attention. Finance Research Letters, 92, Article 109581. https://doi.org/10.1016/j.frl.2026.109581
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Has welfare lottery issuance effectively alleviated urban–rural income inequality? Empirical evidence from the perspective of livelihood-oriented fiscal expenditure

Published in Labor Economic Review, July 2024

Recommended citation: Duan, L., & Zhang, K. (2024). Has welfare lottery issuance effectively alleviated urban–rural income inequality? Empirical evidence from the perspective of livelihood-oriented fiscal expenditure (in Chinese). Labor Economic Review, 17(1), 215–236.
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Working Papers

Socioeconomic Inequality in Access to Sports Social Networks and Their Association with Health in China

Longlong Duan, Leiyu Shi, Kowkam Zhang

Working paper · October 2026

This paper examines socioeconomic inequality in access to sports social networks and its association with health in China.

Does Welfare Lottery Promote Innovation in Assistive Technology for Persons with Disabilities? Evidence from China’s Ministry of Civil Affairs Welfare Lottery Fund for Persons with Disabilities

Longlong Duan, Leiyu Shi, Kowkam Zhang

Working paper Under review · May 2025

This paper examines whether the Welfare Lottery Fund promotes innovation in assistive technology for people with disabilities in China.

Public Health

Working Papers

The Contribution of Primary Care Systems to Health Outcomes within Organization for Economic Cooperation and Development (OECD) Countries, 1995–2020

Kowkam Zhang, Leiyu Shi

Working paper · September 2026

This study examines the long-term relationship between primary care systems and population health outcomes across OECD countries.

Assessing Primary Care System Strength across OECD Countries: A Composite Index Approach and Cross-National Evidence

Kowkam Zhang, Leiyu Shi

Working paper Under review · April 2026

This paper develops a composite index of primary care system strength and applies it to OECD countries.

Measuring the strength of primary care systems in OECD countries: a narrative review of concepts, instruments and evidence

Kowkam Zhang, Leiyu Shi

Working paper Under Review · November 2025

This narrative review examines how the strength of primary care systems has been defined and measured in OECD countries.