Economic Analysis and Policy最新文献

筛选
英文 中文
Does crop insurance increase farmers’ income? Evidence from the pilot program of agricultural catastrophe insurance in China 农作物保险增加农民收入了吗?来自中国农业巨灾保险试点的证据
IF 7.9 2区 经济学
Economic Analysis and Policy Pub Date : 2025-04-16 DOI: 10.1016/j.eap.2025.04.019
Fangfang Li , Dongwei He , Jianghui Liu , Na Hong
{"title":"Does crop insurance increase farmers’ income? Evidence from the pilot program of agricultural catastrophe insurance in China","authors":"Fangfang Li ,&nbsp;Dongwei He ,&nbsp;Jianghui Liu ,&nbsp;Na Hong","doi":"10.1016/j.eap.2025.04.019","DOIUrl":"10.1016/j.eap.2025.04.019","url":null,"abstract":"<div><div>Historically, crop insurance programs have had limited coverage, reducing their effectiveness in protecting farmers from financial risks. In response to farmers’ demand for better coverage, China implemented pilot programs for agricultural catastrophe insurance in 2017 and 2019. Using county-level data from China, this study examines the impact of these catastrophe insurance initiatives on farmers’ income. Moreover, this study explores the underlying mechanisms and effects through which insurance promotes farmers' income across different regions. This study uses a two-way–fixed-effects (TWFE) model, alongside heterogeneity-robust–difference-in-differences (DID) estimation, propensity score matching–DID (PSM-DID), and a control function approach to validate the findings. Results show a significant improvement in farmers’ income, which is attributed to an increased willingness to invest in agricultural inputs and a strategic adjustment of cultivated land areas within the pilot counties. Furthermore, this study reveals that the positive impact is more pronounced in counties characterized by lower economic development, greater agricultural advancement, and lesser wealth prevalence. These findings provide empirical evidence that increasing crop insurance coverage levels can promote income growth for farmers and increase the production of grain. Furthermore, this study suggests expanding agricultural insurance coverage and building a stratified, nuanced framework that accommodates regional particularities.</div></div>","PeriodicalId":54200,"journal":{"name":"Economic Analysis and Policy","volume":"86 ","pages":"Pages 1002-1019"},"PeriodicalIF":7.9,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143854688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Service liberalization and export market power——Evidence from chinese manufacturing firm-product level data 服务自由化与出口市场力量——来自中国制造业企业产品层面数据的证据
IF 7.9 2区 经济学
Economic Analysis and Policy Pub Date : 2025-04-14 DOI: 10.1016/j.eap.2025.04.017
Jing Li , Yifei Li , Xiangxue Lu , Tenglong Zhong
{"title":"Service liberalization and export market power——Evidence from chinese manufacturing firm-product level data","authors":"Jing Li ,&nbsp;Yifei Li ,&nbsp;Xiangxue Lu ,&nbsp;Tenglong Zhong","doi":"10.1016/j.eap.2025.04.017","DOIUrl":"10.1016/j.eap.2025.04.017","url":null,"abstract":"<div><div>This paper studies the impact of service liberalization on the export markup of manufacturing firms and possible channels.The results show that service liberalization significantly improves manufacturing firms’ export markup. The influencing mechanism analysis and tests show that TFP improvement and quality upgrading are the two possible channels through which the liberalization of service trade can improve the export markup of manufacturing firms. In addition, firms with a lower proportion of state-owned capital, higher management efficiency, lower export intensity and products that are closer to core competency are more profoundly affected by the markup-increasing effect brought by the service liberalization. Our research conclusions uncover that service openness could help to improve the export market competitiveness of manufacturing firms measured by export markups.</div></div>","PeriodicalId":54200,"journal":{"name":"Economic Analysis and Policy","volume":"86 ","pages":"Pages 950-962"},"PeriodicalIF":7.9,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sino-US trade friction and the firm value: Evidence from listed firms in China 中美贸易摩擦与企业价值:来自中国上市公司的证据
IF 7.9 2区 经济学
Economic Analysis and Policy Pub Date : 2025-04-14 DOI: 10.1016/j.eap.2025.04.016
Mengxun Liu , Faqin Lin , Fan Feng , Guang Xiong
{"title":"Sino-US trade friction and the firm value: Evidence from listed firms in China","authors":"Mengxun Liu ,&nbsp;Faqin Lin ,&nbsp;Fan Feng ,&nbsp;Guang Xiong","doi":"10.1016/j.eap.2025.04.016","DOIUrl":"10.1016/j.eap.2025.04.016","url":null,"abstract":"<div><div>The study investigates the relationship between Sino-US trade friction and the firm value of listed Chinese companies. Utilizing 3567 A-share listed companies, this paper evaluates whether the Sino-US trade friction identified by the 301 tariff list impacts the Chinese stock market. By applying the difference-in-differences strategy, we find that the 301 tariff list has a negative impact on the stock price in the Chinese financial market. This result is robust after carrying out several robustness checks. Lastly, we conduct a mechanism analysis by focusing on whether the 301 tariff list has different effects on different trade types, geographical locations, and financing constraints that may affect stock performance. We find that the 301 tariff list only affects the stock prices of the commodity trading companies and the coastal companies, and the negative impact of the 301 tariff list on company stock performance is greater for companies with higher levels of financing constraints.</div></div>","PeriodicalId":54200,"journal":{"name":"Economic Analysis and Policy","volume":"86 ","pages":"Pages 978-987"},"PeriodicalIF":7.9,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143848143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Impact and Mechanism of Government Environmental Policy Innovation on Industrial Agglomeration: An Empirical Study Based on a Quasi-Natural Experiment of the River Chief System Policy in the Yangtze River Economic Belt 政府环境政策创新对产业集聚的影响及机制——基于长江经济带河长制政策准自然实验的实证研究
IF 7.9 2区 经济学
Economic Analysis and Policy Pub Date : 2025-04-13 DOI: 10.1016/j.eap.2025.04.014
Zheng Wang , Erwang Yan , Zhiyong Zhang , Congyu Li , Qiyuan Gong
{"title":"The Impact and Mechanism of Government Environmental Policy Innovation on Industrial Agglomeration: An Empirical Study Based on a Quasi-Natural Experiment of the River Chief System Policy in the Yangtze River Economic Belt","authors":"Zheng Wang ,&nbsp;Erwang Yan ,&nbsp;Zhiyong Zhang ,&nbsp;Congyu Li ,&nbsp;Qiyuan Gong","doi":"10.1016/j.eap.2025.04.014","DOIUrl":"10.1016/j.eap.2025.04.014","url":null,"abstract":"<div><div>The Yangtze River Economic Belt pioneered the implementation of the River Chief System Policy (RCSP), where the government takes comprehensive responsibility for the water environment of the river basin to address water pollution issues. This policy has been promoted nationwide as a successful model of environmental governance. However, what impact does the RCSP implementation have on economic agglomeration, an important mode of economic growth? How does it exert this influence? Based on the implementation of the RCSP, this study establishes a quasi-natural experiment. Theoretical analysis is conducted using the Footloose Entrepreneur (FE) model, and empirical tests are performed using the difference-in-differences (DID) method and the mediation effect model. Additionally, robustness checks are conducted from multiple perspectives. Empirical results indicate that the RCSP significantly inhibits industrial agglomeration in the Yangtze River Economic Belt. This influence operates through three mediating mechanisms: industrial wastewater discharge, green technological innovation, and foreign direct investment. As a targeted water environmental regulation, the mediating mechanism of reducing the comprehensive environmental pollution index is not significant. The study also reveals heterogeneity in the spatial effects of the RCSP's inhibitory impact on industrial agglomeration, with stronger effects observed in regions with higher levels of marketization.</div></div>","PeriodicalId":54200,"journal":{"name":"Economic Analysis and Policy","volume":"86 ","pages":""},"PeriodicalIF":7.9,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143838096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Debt sustainability and the effectiveness of fiscal policy tools - The case of the Maldives 债务可持续性和财政政策工具的有效性——以马尔代夫为例
IF 7.9 2区 经济学
Economic Analysis and Policy Pub Date : 2025-04-11 DOI: 10.1016/j.eap.2025.04.013
Paresh K. Narayan , Aminath Seema Ismail , Mohamed Imthinan Saudulla , Syed Aun R. Rizvi
{"title":"Debt sustainability and the effectiveness of fiscal policy tools - The case of the Maldives","authors":"Paresh K. Narayan ,&nbsp;Aminath Seema Ismail ,&nbsp;Mohamed Imthinan Saudulla ,&nbsp;Syed Aun R. Rizvi","doi":"10.1016/j.eap.2025.04.013","DOIUrl":"10.1016/j.eap.2025.04.013","url":null,"abstract":"<div><div>This study examines the effects of fiscal policy tools—spending cuts versus tax hikes—on debt sustainability and economic growth in the Maldives. Using a structural vector autoregressive model, we assess short- and long-term impacts on debt. Results indicate that tax revenue management effectively reduces debt, while government spending cuts contribute similarly in the short term and significantly more in the long term. Economic growth, conversely, stabilizes debt in the short term but fuels it over time. Our findings highlight the importance of policy composition in managing debt sustainably, emphasizing the effectiveness of tax revenue over expenditure adjustments for long-term stability.</div></div>","PeriodicalId":54200,"journal":{"name":"Economic Analysis and Policy","volume":"86 ","pages":"Pages 1377-1390"},"PeriodicalIF":7.9,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143912633","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unveiling the power of state activism in times of distress 在危难时刻展现出国家行动主义的力量
IF 7.9 2区 经济学
Economic Analysis and Policy Pub Date : 2025-04-10 DOI: 10.1016/j.eap.2025.04.006
Aneta Hryckiewicz , Natalia Kryg , Dimitrios P. Tsomocos , Olha Zadorozhna
{"title":"Unveiling the power of state activism in times of distress","authors":"Aneta Hryckiewicz ,&nbsp;Natalia Kryg ,&nbsp;Dimitrios P. Tsomocos ,&nbsp;Olha Zadorozhna","doi":"10.1016/j.eap.2025.04.006","DOIUrl":"10.1016/j.eap.2025.04.006","url":null,"abstract":"<div><div>This study examines the impact and role of government interventions in aiding troubled banks, focusing on changes in CEO positions and executive compensation. Using data from European and American banks between 2008 and 2018, we hypothesize that in a high-quality institutional environment together with powerful governments, government ownership in distressed institutions has a positive effect, manifesting in activism that leads to more frequent CEO turnover and reductions in executive pay. Furthermore, we investigate how such activism affects financial recovery. Our findings indicate that while state-implemented changes in CEO positions are associated with the recovery of distressed institutions, decreasing executive compensation often has the opposite effect. This research contributes to the ongoing discussion on the role of the state during periods of distress and the channels through which government ownership translates into tangible benefits.</div></div>","PeriodicalId":54200,"journal":{"name":"Economic Analysis and Policy","volume":"86 ","pages":"Pages 1346-1376"},"PeriodicalIF":7.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143906367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
One Country – Two Monetary Policies: Evidence from a new indicator of the PBoC’s monetary policy support for poor regions 一个国家-两种货币政策:来自中国人民银行对贫困地区货币政策支持的新指标的证据
IF 7.9 2区 经济学
Economic Analysis and Policy Pub Date : 2025-04-08 DOI: 10.1016/j.eap.2025.03.056
Makram El-Shagi, Lunan Jiang, Lin Zhang
{"title":"One Country – Two Monetary Policies: Evidence from a new indicator of the PBoC’s monetary policy support for poor regions","authors":"Makram El-Shagi,&nbsp;Lunan Jiang,&nbsp;Lin Zhang","doi":"10.1016/j.eap.2025.03.056","DOIUrl":"10.1016/j.eap.2025.03.056","url":null,"abstract":"<div><div>In recent years, one of the PBoC’s major issues was to avoid a generally conservative monetary policy that would jeopardize the central government’s poverty-alleviation strategy by limiting credit supply in rural areas where it is already scarce. We develop a range of new indicators to measure those aspects of the PBoC’s policy and demonstrate that the PBoC has successfully implemented policies targeted at poor counties. That is, we show that a central bank has the general potential to address regional diversity and distributional issues.</div></div>","PeriodicalId":54200,"journal":{"name":"Economic Analysis and Policy","volume":"86 ","pages":"Pages 963-977"},"PeriodicalIF":7.9,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143848144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluating the impact of special additional deductions policy on urban-rural household vulnerability: Insights from China Family Panel Studies 评估特殊附加扣除政策对城乡家庭脆弱性的影响:来自中国家庭面板研究的见解
IF 7.9 2区 经济学
Economic Analysis and Policy Pub Date : 2025-04-07 DOI: 10.1016/j.eap.2025.04.008
Yali Li , Ronald Marquez , Luhua Xie , Xinyi Li
{"title":"Evaluating the impact of special additional deductions policy on urban-rural household vulnerability: Insights from China Family Panel Studies","authors":"Yali Li ,&nbsp;Ronald Marquez ,&nbsp;Luhua Xie ,&nbsp;Xinyi Li","doi":"10.1016/j.eap.2025.04.008","DOIUrl":"10.1016/j.eap.2025.04.008","url":null,"abstract":"<div><div>Despite the eradication of absolute poverty in China post-2020, many Chinese households remain vulnerable to multidimensional poverty. This study uses micro-panel data from the China Family Panel Survey (CFPS) from 2016 to 2020 to evaluate the effects of the special additional deduction policy (SADP) on household vulnerability to income and health poverty. Employing a multi-vulnerability to poverty model, the study quantifies these vulnerabilities and applies a non-linear logistic continuous difference-in-differences model to assess the effectiveness of the SADP. The 2019 implementation of SADP for personal income tax serves as a quasi-natural experiment. Findings indicate that the SADP significantly reduces household vulnerability to income and health poverty by alleviating tax burdens and enhancing income standards and consumption structures. However, the policy's impact varies across urban and rural areas, income groups, and access to public medical insurance, with more pronounced effects observed in medium and north-east China compared to eastern and western regions. This study underscores the need for optimizing the income redistribution mechanism and considering regional and individual differences in SADP implementation. Enhancing the alignment between taxation and social security measures can further strengthen the government's fiscal redistribution efforts, promoting equity and reducing household vulnerability.</div></div>","PeriodicalId":54200,"journal":{"name":"Economic Analysis and Policy","volume":"86 ","pages":"Pages 839-857"},"PeriodicalIF":7.9,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143828834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
How effective are emission taxes in reducing air pollution? A satellite-based case study for Spain 排放税在减少空气污染方面的效果如何?基于卫星的西班牙案例研究
IF 7.9 2区 经济学
Economic Analysis and Policy Pub Date : 2025-04-07 DOI: 10.1016/j.eap.2025.04.012
Thilo Erbertseder , Martin Jacob , Hannes Taubenböck , Kira Zerwer
{"title":"How effective are emission taxes in reducing air pollution? A satellite-based case study for Spain","authors":"Thilo Erbertseder ,&nbsp;Martin Jacob ,&nbsp;Hannes Taubenböck ,&nbsp;Kira Zerwer","doi":"10.1016/j.eap.2025.04.012","DOIUrl":"10.1016/j.eap.2025.04.012","url":null,"abstract":"<div><div>Air pollution poses significant risks to public health and the environment. Policymakers aim to counteract these risks by implementing policies to reduce pollution and emissions. Emission taxes are a prominent market-based tool. However, their real-world effectiveness remains underexplored. This study evaluates the impact of an economically significant tax on nitrogen oxide (NOx) introduced in the Comunidad Valenciana in 2013 compared to the rest of Spain using a difference-in-differences framework. To measure the area-wide spatiotemporal changes in air pollution, the study leverages satellite-based NO<sub>2</sub> data. The findings reveal that the emission tax achieved a modest 1.2 % decline in NO<sub>2</sub> levels annually, equivalent to approximately 728 tons of NOx emissions. In a series of robustness tests, heterogeneity analysis highlights stronger reductions in industrial areas, innovative firms, and larger companies, emphasizing the role of technological capacity. In contrast, firms with significant market power tend to shift the tax burden to stakeholders instead, thereby reducing its environmental impact. These results suggest that emission taxes have an effect in the intended direction; however, the effect alone does not significantly curb NO<sub>2</sub> pollution. Complementary measures, such as innovation incentives and stricter regulatory standards, are necessary to enhance their effectiveness. By providing granular evidence of emission taxes’ real-world impacts, this study offers valuable insights for policymakers designing targeted and efficient environmental policies.</div></div>","PeriodicalId":54200,"journal":{"name":"Economic Analysis and Policy","volume":"86 ","pages":"Pages 1037-1063"},"PeriodicalIF":7.9,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143854690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Can innovation-driven policies enhance Chinese cities’ energy security? 创新驱动型政策能否提升中国城市能源安全?
IF 7.9 2区 经济学
Economic Analysis and Policy Pub Date : 2025-04-06 DOI: 10.1016/j.eap.2025.04.009
Yuegang Song , Miaomiao Zhu , Chongmiao Du , Xuming Zhou
{"title":"Can innovation-driven policies enhance Chinese cities’ energy security?","authors":"Yuegang Song ,&nbsp;Miaomiao Zhu ,&nbsp;Chongmiao Du ,&nbsp;Xuming Zhou","doi":"10.1016/j.eap.2025.04.009","DOIUrl":"10.1016/j.eap.2025.04.009","url":null,"abstract":"<div><div>Energy security provides significant support for national security and is essential for addressing the overall strategic concerns of national economic and social development. Exploring the impact of innovation-driven policies on energy security can help to transcend China's energy bottlenecks in the production–supply–storage–sales industrial chain and provide theoretical support and practical insights for policymakers to establish a new era of energy security and promote sustainable energy development. In response, this study constructs a city-level energy security index for China from 2005 to 2022 to empirically analyze the mechanisms and effect of innovation-driven policies on China's urban energy security. The findings reveal that innovation-driven policies can significantly improve urban energy security in China by advancing energy technology innovation, transformation, upgrading, and diversification, and this promotional effect is more significant in China's central and western regions, the Yangtze River Economic Belt, old industrial bases, and regions with strong energy consumption intensity. This study also introduces an n-order nearest neighbor matching matrix into a spatial difference-in-differences model to examine the spatial effect of China's urban energy security under the influence of innovation-driven policies. We find that innovation-driven policies directly promote energy security and pilot innovation cities exhibit spatial spillover effects on nonpilot cities. The findings of this study provide decision-making insights to promote China's scientific and rational energy development planning and policy approaches.</div></div>","PeriodicalId":54200,"journal":{"name":"Economic Analysis and Policy","volume":"86 ","pages":"Pages 858-879"},"PeriodicalIF":7.9,"publicationDate":"2025-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143828835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信