International Journal of Managerial Finance最新文献

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The real implications of mimicking peer firms' cash holdings 模仿同行公司现金持有量的真正含义
IF 1.7
International Journal of Managerial Finance Pub Date : 2023-11-28 DOI: 10.1108/ijmf-03-2023-0164
Marvelous Kadzima, Michael Machokoto, Edward Chamisa
{"title":"The real implications of mimicking peer firms' cash holdings","authors":"Marvelous Kadzima, Michael Machokoto, Edward Chamisa","doi":"10.1108/ijmf-03-2023-0164","DOIUrl":"https://doi.org/10.1108/ijmf-03-2023-0164","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This study empirically examines the nonlinear effects of mimicking peer firms' cash holdings on shareholder value, with consideration of macroeconomic conditions.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>An instrumental variable approach for nonlinear models is estimated for a large sample of US firms over the period 1991–2019. This approach addresses the reflection problem in examining peer effects, whereby it is impossible to separate the individual's effects on the group, or vice versa, if both are simultaneously determined.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>The authors find an inverted U-shaped association between shareholder value and mimicking intensity of peer firms' cash holdings. This result suggests that mimicking peer firms' cash holdings is subject to diminishing returns. It is more beneficial at lower levels of mimicking intensity but less so or suboptimal at higher levels. Further evidence indicates that this inverted U-shaped shareholder value-mimicking intensity nexus is asymmetric. Specifically, it is salient for decreases relative to increases in cash holdings and, more importantly, in good relative to bad macroeconomic states. The findings are robust to several concerns and have important implications for liquidity management policies.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>The authors provide new empirical evidence of the nonlinear effects of mimicking peer firms' cash holdings on shareholder value, which varies with macroeconomic conditions.</p><!--/ Abstract__block -->","PeriodicalId":51698,"journal":{"name":"International Journal of Managerial Finance","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138515803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 of economic policy uncertainty on sustainability (ESG) performance: the role of the firm life cycle 经济政策不确定性对ESG绩效的影响:企业生命周期的作用
IF 1.7
International Journal of Managerial Finance Pub Date : 2023-11-27 DOI: 10.1108/ijmf-04-2022-0158
Muhammad Azeem Qureshi, Tanveer Ahsan, Ammar Ali Gull, Zaghum Umar
{"title":"The impact of economic policy uncertainty on sustainability (ESG) performance: the role of the firm life cycle","authors":"Muhammad Azeem Qureshi, Tanveer Ahsan, Ammar Ali Gull, Zaghum Umar","doi":"10.1108/ijmf-04-2022-0158","DOIUrl":"https://doi.org/10.1108/ijmf-04-2022-0158","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This study investigates the impact of economic policy uncertainty (EPU) on corporate sustainability [environmental, social and governance (ESG)] performance and aims to explore whether uncertainty-induced sustainability performance is influenced by the firm's life cycle (LC).</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>The study uses data from European non-financial firms listed during the period from 2002 to 2022 to extend the nascent literature regarding EPU and sustainability performance while applying a dynamic panel data regression analysis (Generalized Method of Moments - GMM System) on 11,462 firm-year observations of 1,869 European firms.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>The authors find overwhelming evidence that policy uncertainty affects the sustainability performance of European firms. The firms restrict their environmental and governance-related activities and address immediate issues to survive during periods of high EPU. Conversely, the firms increase their social engagements to decrease uncertainty-induced information asymmetry. The authors' results show that the intensity and type of sustainability performance are also influenced by the firm's LC. The results imply that board gender diversity (BGD) increases while power concentration with the chief executive officer (CEO) decreases sustainability performance.</p><!--/ Abstract__block -->\u0000<h3>Practical implications</h3>\u0000<p>These findings have important implications for policymakers, potential investors, firm management and other stakeholders given the firms' access to resources and preferences to encounter uncertainty vary across different LC stages.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>To the best of the authors' knowledge, this is the first study that investigates the role of the firm's LC in the relationship between policy uncertainty and sustainability performance in the European context.</p><!--/ Abstract__block -->","PeriodicalId":51698,"journal":{"name":"International Journal of Managerial Finance","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2023-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138515814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Family involvement and corporate financialization: evidence from China 家族参与与企业金融化:来自中国的证据
International Journal of Managerial Finance Pub Date : 2023-11-10 DOI: 10.1108/ijmf-11-2022-0513
Lixia Wang, Yingqian Gu, Wanxin Liu
{"title":"Family involvement and corporate financialization: evidence from China","authors":"Lixia Wang, Yingqian Gu, Wanxin Liu","doi":"10.1108/ijmf-11-2022-0513","DOIUrl":"https://doi.org/10.1108/ijmf-11-2022-0513","url":null,"abstract":"Purpose Under the background of continuous sluggishness of the real economy and expansion of asset sectors, the Chinese economy exists a trend of “from the real to the virtual.” Managing the corporate financialization is the key to prevent the real economy “from real to virtual.” The paper explores the influence of family involvement on corporate financialization since family firms are an important proportion of real sectors. Design/methodology/approach Based on Socioemotional Wealth Theory, this paper makes empirical study using the data of Chinese A-share listed companies from 2008 to 2022 to explore the influence of family involvement on corporate financialization, mainly from the perspectives of family engagement, family identity of CEO and family control power. Findings These are the findings: (1) Family engagement will inhibit corporate financialization; (2) Compared with employing external managers, family members acting as CEOs will decrease corporate financialization; (3) The proportion of family ownership is negatively correlated with the level of corporate financialization. Originality/value The originality of this paper include these: (1) Analyzing the differences in the financialization of real enterprises with different characteristics and attributes; (2) Expanding the research on the internal motivation of the financialization of the real enterprises, and supplementing the research literature on family firms and corporate financialization; (3) Exploring the internal influence mechanism of financialization of family firms under the background of Chinese culture.","PeriodicalId":51698,"journal":{"name":"International Journal of Managerial Finance","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135137577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Oil price uncertainty and corporate inventory investment 油价不确定性与企业库存投资
International Journal of Managerial Finance Pub Date : 2023-10-30 DOI: 10.1108/ijmf-05-2023-0261
Amanjot Singh
{"title":"Oil price uncertainty and corporate inventory investment","authors":"Amanjot Singh","doi":"10.1108/ijmf-05-2023-0261","DOIUrl":"https://doi.org/10.1108/ijmf-05-2023-0261","url":null,"abstract":"Purpose This study examines the relationship between oil price uncertainty (OPU) and corporate inventory investments using a sample of 6,072 USA manufacturing firms from 1992 to 2019. Design/methodology/approach The author's study employs a panel dataset to examine the relationship between OPU and corporate inventory investments. The author uses several alternative specifications such as fixed effects models, an instrumental variable analysis, an impact threshold for confounding variable (ITCV) analysis, alternative measures, additional control variables and the percent bias analysis to account for endogeneity issues. Findings Corporate inventory investments decrease in response to high OPU. This decrease in inventory investments happens regardless of firms' expected stockout costs, information environment and reliance on external financing. As a potential mechanism, an uncertainty-induced increase in cash holdings contributes to this reduction in inventory investments. Also, the effect of OPU is non-linear and asymmetric. In response to the volatility of positive (negative) oil price changes, inventory investments decrease (increase) up to a certain point and increase (decrease) after that. Further, uncertainty-induced adjustments in inventory investments positively influence the operating performance of firms. Originality/value The author's study adds to the growing literature that examines the impact of OPU on corporate outcomes. Inventory investments directly affect business operations and could better reflect firms' responses to an uncertain environment.","PeriodicalId":51698,"journal":{"name":"International Journal of Managerial Finance","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136019267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The more, the merrier? The role of an auditor's certification in loan pricing 人越多越开心?审计师认证在贷款定价中的作用
International Journal of Managerial Finance Pub Date : 2023-10-25 DOI: 10.1108/ijmf-03-2023-0170
Bolortuya Enkhtaivan, Zagdbazar Davaadorj
{"title":"The more, the merrier? The role of an auditor's certification in loan pricing","authors":"Bolortuya Enkhtaivan, Zagdbazar Davaadorj","doi":"10.1108/ijmf-03-2023-0170","DOIUrl":"https://doi.org/10.1108/ijmf-03-2023-0170","url":null,"abstract":"Purpose The purpose of this paper is to explore the role of three different audit characteristics in loan pricing—the most significant credit term for borrowers. Three characteristics include audit reputation, audit tenure and audit specialization. Design/methodology/approach To examine audit characteristics simultaneously to measure their effect on loan pricing, this study uses a full-rank, three-way interaction model and conducts slope difference tests. It also includes the joint effects of these variables to estimate any incremental benefits of possessing multiple qualifications. Findings When studying the three qualifications together, none of them alone is strong enough to affect the loan interest. But, a Big 4 auditor with tenure can benefit the client by reducing the interest by about 1.98%. The more expertise the auditor has, the better value it brings to borrowers. A highly qualified auditor with additional expertise can significantly reduce loan pricing further by about 2.96 percent. Originality/value Examining the costs and benefits of hiring certified auditors is crucial for borrowers. While the variables are not exhaustive, an understanding of the added value of hiring high-quality auditors with more than one or two qualifications to their potential premium fees helps borrowers in managers' audit selection decisions. At the same time, the results shed some light on which of the auditor's qualifications lenders might prioritize when pricing a borrower's loan.","PeriodicalId":51698,"journal":{"name":"International Journal of Managerial Finance","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135112746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
How does management respond to stock price crashes? 管理层如何应对股价暴跌?
International Journal of Managerial Finance Pub Date : 2023-10-18 DOI: 10.1108/ijmf-05-2023-0250
Suvra Roy, Ben R. Marshall, Hung T. Nguyen, Nuttawat Visaltanachoti
{"title":"How does management respond to stock price crashes?","authors":"Suvra Roy, Ben R. Marshall, Hung T. Nguyen, Nuttawat Visaltanachoti","doi":"10.1108/ijmf-05-2023-0250","DOIUrl":"https://doi.org/10.1108/ijmf-05-2023-0250","url":null,"abstract":"Purpose The purpose of this study is to investigate (1) how managers respond to stock price crashes, (2) why they respond and (3) how their responses affect shareholders. Design/methodology/approach This study employs a panel regression with various firm-level controls and firm- and year-fixed effects. The sample is comprised of 101,532 firm-year observations with 11,727 unique firms from 1950 to 2019. Using mutual fund flow redemption pressure as an exogenous variable to stock price crashes, the paper provides further evidence of the causality of documented findings. Findings Management becomes more focused on improving transparency, raising investment efficiency, reducing agency conflicts and regaining the trust of shareholders by investing in social capital and employee welfare. These actions increase firm value. This study also suggests that management undertakes these actions out of concern for their tenure of employment. Originality/value The catalysts of stock price crashes are well documented, but much less is known about what happens following stock price crashes. This study provides more insights into the understanding of corporate crisis management practices following adverse events.","PeriodicalId":51698,"journal":{"name":"International Journal of Managerial Finance","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135823904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of time-varying political connections on loan contracts 时变政治关系对贷款合同的影响
International Journal of Managerial Finance Pub Date : 2023-10-10 DOI: 10.1108/ijmf-09-2022-0400
Hao Fang, Chieh-Hsuan Wang, Joseph C.P. Shieh, Chien-Ping Chung
{"title":"Effects of time-varying political connections on loan contracts","authors":"Hao Fang, Chieh-Hsuan Wang, Joseph C.P. Shieh, Chien-Ping Chung","doi":"10.1108/ijmf-09-2022-0400","DOIUrl":"https://doi.org/10.1108/ijmf-09-2022-0400","url":null,"abstract":"Purpose The authors construct two time-varying political connection (PC) indexes to measure a firm's political tendencies toward ruling and opposing parties and analyze whether a firm with ruling party tendencies obtains better bank loan contracts compared to the contracts obtained by a firm with opposing party tendencies and a firm with fixed PC tendencies. Design/methodology/approach Linguistic text mining is used to construct the two time-varying PC indexes from news sources that reflect the tone and frequencies of characteristic texts to determine a firm's tendencies to favor the ruling or opposing parties. Findings The results show that varying PC firms connected to the ruling party receive preferential loan contracts when their political tendencies increase but varying PC firms connected to the opposition party do not. In contrast, fixed PC firms gain similar benefits only when the connection is determined in the presidential election year but not in other years. Firms supporting two parties receive minimal financial rewards in terms of loan terms. Originality/value In past studies, once a firm is identified as having a connection with a political party, it is assumed to have PC throughout the sample period (i.e. fixed PC firms). The authors lift this assumption and examine how varying PC affect bank loan contracts. The two time-varying PC indexes can identify a firm's more immediate party tendencies and more precise effects of a firm's party tendencies on bank loan contracts.","PeriodicalId":51698,"journal":{"name":"International Journal of Managerial Finance","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136254661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Do all CEO pay regulations hurt firm performance? Evidence from China 所有的CEO薪酬法规都会损害公司业绩吗?来自中国的证据
International Journal of Managerial Finance Pub Date : 2023-10-03 DOI: 10.1108/ijmf-09-2021-0458
Xiaochuan Tong, Weijie Wang, Yaowu Liu
{"title":"Do all CEO pay regulations hurt firm performance? Evidence from China","authors":"Xiaochuan Tong, Weijie Wang, Yaowu Liu","doi":"10.1108/ijmf-09-2021-0458","DOIUrl":"https://doi.org/10.1108/ijmf-09-2021-0458","url":null,"abstract":"Purpose The authors study and compare the effects of three CEO compensation restricting policies issued by the Chinese government in 2009, 2012 and 2015. This paper aims to shed light on the conditions under which CEO compenstation can be effectively regulated without negatively affecting firm performance. Design/methodology/approach These policies targeted state-owned enterprises (SOEs), especially central state-owned enterprises (CSOEs). Using these policies as natural experiments, the authors investigate how their effects differ on CEO compensation, firm performance and two known performance-decreasing mechanisms: perk consumption and tunneling activities. Findings The authors show that restricting CEO pay does not necessarily backfire in terms of deteriorating firm performance. This non-decreasing firm performance can be achieved by restricting perk consumption and tunneling activities while introducing CEO pay regulations. Originality/value The authors exploit a powerful experimental setting in the context of China. The evidence contributes to the literature on CEO pay regulations and is relevant to the managerial decisions of policy makers and boards of directors.","PeriodicalId":51698,"journal":{"name":"International Journal of Managerial Finance","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135689894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CEO overconfidence and tax avoidance: role of institutional and family ownership CEO过度自信与避税:机构和家族所有权的作用
International Journal of Managerial Finance Pub Date : 2023-10-02 DOI: 10.1108/ijmf-12-2022-0545
Zahra Souguir, Naima Lassoued, Houssam Bouzgarrou
{"title":"CEO overconfidence and tax avoidance: role of institutional and family ownership","authors":"Zahra Souguir, Naima Lassoued, Houssam Bouzgarrou","doi":"10.1108/ijmf-12-2022-0545","DOIUrl":"https://doi.org/10.1108/ijmf-12-2022-0545","url":null,"abstract":"Purpose This study aims to investigate the effect of overconfident chief executive officers (CEOs) on corporate tax avoidance and whether this relationship is affected by institutional and family ownership. Design/methodology/approach Using a sample of French-listed firms from 2009 to 2021, the authors find that firms managed by overconfident CEOs engage in more tax avoidance practice. Findings The authors further find that institutions and families are likely to discourage tax avoidance practices, paying close attention to their long-term horizons and reputational concerns. Overall, the authors' findings shed light on the monitoring role of institutional and family shareholders in restraining the effect of CEO behavioral bias on companies' tax avoidance. Originality/value To the authors' knowledge, no study has investigated the impact of managerial overconfidence on the tax behavior of French firms. The authors also extend the growing literature regarding managerial effects by providing new evidence that French firms held by concentrated institutional and family ownership curtail CEO overconfidence behavior toward corporate tax avoidance practices.","PeriodicalId":51698,"journal":{"name":"International Journal of Managerial Finance","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135790242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Dividend policy and firm liquidity under the tax imputation system in Australia 澳大利亚税收抵扣制度下的股利政策与企业流动性
International Journal of Managerial Finance Pub Date : 2023-09-28 DOI: 10.1108/ijmf-01-2023-0018
Min Bai, Yafeng Qin, Feng Bai
{"title":"Dividend policy and firm liquidity under the tax imputation system in Australia","authors":"Min Bai, Yafeng Qin, Feng Bai","doi":"10.1108/ijmf-01-2023-0018","DOIUrl":"https://doi.org/10.1108/ijmf-01-2023-0018","url":null,"abstract":"Purpose The primary goal of this paper is to investigate the relationship between stock market liquidity and firm dividend policy within a market implementing the tax imputation system. The main aim is to understand how the tax imputation system influences the relationship between firm dividend policy and stock market liquidity within a cross-sectional framework. Design/methodology/approach This paper investigates the relationship between stock market liquidity and the dividend payout policy under the full tax imputation system in the Australian market. This study uses the Generalized Least Squares regressions with firm- and year-fixed effects. Findings In contrast to the negative relationship between the liquidity of common shares and the firms' dividends documented in countries with the double tax system, the study reveals that in Australia, the dividend payout ratios are positively associated with liquidity after controlling for various explanatory variables with both the contemporaneous and lagged time periods. Such a finding is robust to the use of alternative liquidity proxies and to the sub-period tests and remains during the COVID-19 pandemic period. Research limitations/implications The insights derived from this study have significant implications for various stakeholders within the economy. The findings provide regulators with valuable insights to conduct a more holistic assessment of how the tax system impacts the economy, especially concerning the dividend choices of firms. Within the context of a full tax imputation system, investors can make investment decisions without factoring in the taxation impact. Simultaneously, firms can be relieved of concerns about losing investors who prioritize liquidity, particularly when a high dividend payout might not align optimally with their financial strategy. Originality/value This study contributes to the literature by extending the literature on the tax clientele effects on dividend policy, providing evidence that the tax imputation system can moderate the impact of liquidity on dividend policy. This study examines the impact of the dividend tax imputation system on the substitution effect between dividends and liquidity.","PeriodicalId":51698,"journal":{"name":"International Journal of Managerial Finance","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135343041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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