Journal of Accounting Literature最新文献

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Aggregate economic policy uncertainty and corporate political contribution disclosure 总体经济政策不确定性与企业政治献金披露
Journal of Accounting Literature Pub Date : 2023-06-01 DOI: 10.1108/jal-11-2021-0015
Lijun Lei, Yan Luo
{"title":"Aggregate economic policy uncertainty and corporate political contribution disclosure","authors":"Lijun Lei, Yan Luo","doi":"10.1108/jal-11-2021-0015","DOIUrl":"https://doi.org/10.1108/jal-11-2021-0015","url":null,"abstract":"Purpose Unlike other types of corporate disclosure, corporate political disclosure (CPD), which is the disclosure of corporate political contributions and the related governing policies and oversight mechanisms, does not provide completely new information to stakeholders. Some of the information disclosed in CPD is available from other public records (e.g. the Federal Election Committee website or OpenSecrets website). Given this unique feature of CPD, it is interesting to investigate the cost and benefit tradeoff for firms of altering their CPD practice in response to policy and political uncertainty. Design/methodology/approach This study employs recently developed indexes of aggregate economic policy uncertainty (EPU) and a novel dataset of CPD transparency to examine the impact of EPU on CPD transparency and how the proprietary cost of corporate political activities moderates this association. The sample consists of S&P 500 companies from the 2012 to 2019 period. Findings The authors document that firms mitigate the heightened information asymmetry associated with higher aggregate EPU by increasing CPD transparency. The positive association between EPU and CPD is less pronounced for firms that are more sensitive to EPU, for firms that more actively manage EPU through corporate political contributions or lobbying activities and for firms that are followed by more analysts. The authors also find that more transparent CPD helps to mitigate the information asymmetry caused by heightened EPU. This study’s results hold when the authors control for other types of voluntary corporate disclosure. Originality/value This study contributes to the emerging literature on the determinants of CPD transparency by identifying EPU's positive impact on CPD transparency. This study also provides empirical evidence that the proprietary costs arising from the controversial nature of corporate political activities dampen firms' incentives to provide transparent CPD in response to heightened EPU, and that information on corporate political activities gathered and processed by financial analysts seems to lower the marginal benefit to companies of publicizing CPD on their own website.","PeriodicalId":45666,"journal":{"name":"Journal of Accounting Literature","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136162021","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
An analysis of comment letters on a new, stand-alone standard for audits of less complex entities’ financial statements 关于不太复杂实体财务报表审计新的独立标准的评论信分析
Journal of Accounting Literature Pub Date : 2023-05-31 DOI: 10.1108/jal-12-2022-0131
E. Haapamäki, Juha Mäki
{"title":"An analysis of comment letters on a new, stand-alone standard for audits of less complex entities’ financial statements","authors":"E. Haapamäki, Juha Mäki","doi":"10.1108/jal-12-2022-0131","DOIUrl":"https://doi.org/10.1108/jal-12-2022-0131","url":null,"abstract":"PurposeThe objective of this paper is to extend the debate on audit quality in the less complex entity (LCE) context by analyzing comment letters submitted to the International Auditing and Assurance Standards Board (IAASB). The IAASB has drafted a new, stand-alone standard for audits of LCEs’ financial statements.Design/methodology/approachThe Gioia method is utilized to conduct the qualitative analysis. This enables the material to shine and provide a comprehensive picture of the important aspects of the comment letters about the International Standard on Auditing (ISA) for LCEs. A content analysis of the 145 comment letters is conducted to identify the extent of the support for and the arguments against the new, stand-alone draft standard for audits of LCEs’ financial statements. In addition, this study considers how the comment letters describe the respondents’ views on audit quality in relation to the new standard. Finally, the tone of the comment letters and audit quality arguments is investigated.FindingsThe findings provide a useful framework of the most frequently used arguments supporting and opposing the ISA for LCEs. Within the themes identified, a wide variety of issues and concerns are discussed. The results reveal that the arguments in the comment letters are contradictory. For instance, when discussing audit quality, those interest groups that perceived many positive opportunities in the adoption of the ISA for LCEs thought that the audit quality would increase. Conversely, those interest groups that were skeptical about the success of the ISA for LCEs argued that the audit quality could be compromised by the general prejudice that the ISA for LCEs might be perceived as a lower-quality audit with fewer procedures.Originality/valueThis paper is, to the best of the authors’ knowledge, the first to examine the content of comment letters in the context of a new, stand-alone standard for audits of LCEs. The international audience can utilize the results in the context of the widely discussed issue of reducing LCEs’ auditing obligations. This study aims to contribute to the two streams of accounting literature concerning audit quality and political lobbying.","PeriodicalId":45666,"journal":{"name":"Journal of Accounting Literature","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49213886","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: 2
Managing government commissioning and philanthropic expectations: earnings management in Australian nonprofit disability service providers 管理政府委托和慈善期望:澳大利亚非营利残疾服务提供商的收益管理
Journal of Accounting Literature Pub Date : 2023-05-26 DOI: 10.1108/jal-05-2023-0073
D. Gilchrist, Dane Etheridge, Z. Liu
{"title":"Managing government commissioning and philanthropic expectations: earnings management in Australian nonprofit disability service providers","authors":"D. Gilchrist, Dane Etheridge, Z. Liu","doi":"10.1108/jal-05-2023-0073","DOIUrl":"https://doi.org/10.1108/jal-05-2023-0073","url":null,"abstract":"PurposeThe purpose of this study is to investigate the prevalence of earnings management in the Australian not-for-profit (NFP) disability service providers sector, as well as to understand the motivations for and implications of such practices. This research is important for stakeholders, such as members and funders, as well as the broader Australian community, considering the significant financial resources allocated to these organizations from the public purse.Design/methodology/approachThe authors employ a longitudinal dataset containing financial data from 154 Australian NFP disability service providers, collected over a two-year period (2015–2016). Through the analysis of detailed balance sheets and income statements, the authors seek to uncover evidence of earnings management practices in this sector. The study’s results provide valuable insights into the behaviour of the charitable human services sector.FindingsThe findings reveal that Australian NFP disability service providers engage in earnings management practices, primarily aimed at reducing reported profits to meet the normative financial expectations of stakeholders, such as public sector funders and philanthropists. The executives of these organizations strive to report profits close to zero, being cautious not to report a loss, which might raise concerns about their sustainability.Originality/valueThe authors contribute to the existing literature on earnings management in the NFP sector by focussing on Australian disability service providers, an area that has been under-researched due to a lack of suitable data. The results offer insights into the incentives and implications of earnings management practices in this sector and highlight the need for a revaluation of accounting standards, reporting requirements and audit arrangements applicable to the NFP sector.","PeriodicalId":45666,"journal":{"name":"Journal of Accounting Literature","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48804056","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 bright side of CEO narcissism and its impact on accounting conservatism CEO自恋的光明面及其对会计保守主义的影响
Journal of Accounting Literature Pub Date : 2023-05-22 DOI: 10.1108/jal-01-2023-0006
Yun Shen, Vito Mollica, Aldo Fortunato Dalla Costa
{"title":"The bright side of CEO narcissism and its impact on accounting conservatism","authors":"Yun Shen, Vito Mollica, Aldo Fortunato Dalla Costa","doi":"10.1108/jal-01-2023-0006","DOIUrl":"https://doi.org/10.1108/jal-01-2023-0006","url":null,"abstract":"PurposeThis study sheds new light on the personality trait and provides evidence regarding the relation between narcissism and desirable accounting practices, specifically the impact of CEO narcissism on accounting conservatism.Design/methodology/approachThe authors test the relation between CEO narcissism and accounting conservatism for a sample of 907 US companies and their corresponding CEOs for the period between 2010 and 2018. The authors apply three established models of accounting conservatism and measure executives' narcissism using a non-intrusive approach ubiquitous in the literature.FindingsThe authors find that CEO narcissism is associated with speculative accounting practices in the form of timely recognition of positive news and more prudent financial reporting of anticipated negative news. The authors provide the first empirical evidence that, despite its well-known negative effects on corporate financial reporting, executive narcissism can also produce positive outcomes.Originality/valueWhile managerial overconfidence has received much attention, the effects of executives' narcissism are still widely unexplored (Chatterjee and Hambrick, 2007). The authors thus contribute to the literature by investigating the relationship between CEOs' narcissism and accounting conservatism. The authors conjecture CEO narcissism should have a twofold effect on prudent financial reporting. On the one hand, CEOs' narcissism should be associated with low levels of unconditional conservatism due to excessively fast good news recognition. On the other hand, narcissistic executives should be associated with early recognition of negative news and hence with higher levels of conditional conservatism.","PeriodicalId":45666,"journal":{"name":"Journal of Accounting Literature","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45894216","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 nested and spillover effects of institutional environment on reporting standard convergence: a multilevel approach and an agglomeration economy perspective 制度环境对报告标准趋同的嵌套和溢出效应:多层次方法和集聚经济视角
Journal of Accounting Literature Pub Date : 2023-05-18 DOI: 10.1108/jal-02-2023-0022
June Cao
{"title":"The nested and spillover effects of institutional environment on reporting standard convergence: a multilevel approach and an agglomeration economy perspective","authors":"June Cao","doi":"10.1108/jal-02-2023-0022","DOIUrl":"https://doi.org/10.1108/jal-02-2023-0022","url":null,"abstract":"PurposeThe objective of this study is to examine how the heterogeneity of the institutional environments within a single country influences International Financial Reporting Standards (IFRS) convergence and earnings quality based on a meso- and multi-level approach.Design/methodology/approachUsing hierarchical linear modeling (HLM) to capture the between-group heteroskedasticity and within-cluster interdependence, this study investigates the simultaneous effect by incorporating institutional factors residing at different hierarchical levels and the interaction effects of factors within the same level on IFRS convergence and earnings quality in the largest IFRS adopter, China.FindingsThe results show that after IFRS convergence (i.e. 2007–2015), earnings quality decreases in terms of conservatism. However, the further analysis indicates that the strong institutional environment could mitigate the negative impact of IFRS on conservatism.Originality/valueConsistent with the emphasis of heterogeneity within a country by Terracciano et al. (Science, 2005, 310 (5745)), this study indicates that the heterogeneity in the institutional environments and the simultaneous effect of the multilevel institutional environments within a single country cannot be ignored. This study also indicates that, equally important, research methodology plays a substantial role in investigating the outcomes of IFRS convergence. Finally, this study, based on an integrated theory, adopts a meso-paradigm linking macro- and micro-level institutions to provide comprehensive insights into IFRS convergence and conservatism.","PeriodicalId":45666,"journal":{"name":"Journal of Accounting Literature","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46154193","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 isomorphism of educational providers in the New Zealand tertiary market 新西兰高等教育市场教育提供者的同构性
Journal of Accounting Literature Pub Date : 2023-05-11 DOI: 10.1108/jal-10-2022-0108
J. Wang
{"title":"The isomorphism of educational providers in the New Zealand tertiary market","authors":"J. Wang","doi":"10.1108/jal-10-2022-0108","DOIUrl":"https://doi.org/10.1108/jal-10-2022-0108","url":null,"abstract":"PurposeThe purpose of this paper is to explain how aspects of institutional theory can be used to explain how tertiary educational providers must necessarily adopt the same features while competing in the market for students. Using new institutional sociology (NIS), the authors seek to explain this phenomena and how such diverse private providers have borrowed from the polytechnics and universities to share the same institutional features.Design/methodology/approachThis paper employs NIS to explain how tertiary educational providers must necessarily adopt the same features while competing in the market for students. In the last few decades, the Auckland tertiary market for overseas students has enjoyed strong growth before Covid-19.FindingsDecoupling provides a link between NIS and legitimacy theory in that it explains how symbolic strategies are aimed at some kind of legitimization rather than directed at technical efficiencies. It is argued that the public tertiary providers are more prone to decoupling than PTEPs because they are less attentive to costs due to their more monopolistic position in the market.Originality/valueOriginally, the market was dominated by the local universities and polytechnics with few private providers. Currently, private providers cater for a large share of the certificate and diploma market and have a growing stake in the degree market. As these changes came about so, more diverse private providers entered the market. This paper explains how these diverse entrants came to share the same organizational features.","PeriodicalId":45666,"journal":{"name":"Journal of Accounting Literature","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42055710","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
Financial innovation in the uranium mining sector: analysis of an exchange-traded fund and its impact on trading characteristics of uranium stocks 铀矿行业的金融创新:交易所交易基金分析及其对铀矿股交易特征的影响
Journal of Accounting Literature Pub Date : 2023-04-25 DOI: 10.1108/jal-03-2023-0038
James Bentley, Zhangxin (Frank) Liu
{"title":"Financial innovation in the uranium mining sector: analysis of an exchange-traded fund and its impact on trading characteristics of uranium stocks","authors":"James Bentley, Zhangxin (Frank) Liu","doi":"10.1108/jal-03-2023-0038","DOIUrl":"https://doi.org/10.1108/jal-03-2023-0038","url":null,"abstract":"Purpose The purpose of this study is to examine the impact of a recent innovation in the uranium market, the Global X Uranium Exchange-Traded Fund (URA), on the trading characteristics of constituent and non-constituent stocks. Design/methodology/approach The authors analyse bid-ask spread measures, relative effective spreads and adverse selection costs to assess changes in information asymmetry among uranium stocks. The authors also study abnormal returns to assess the impact of URA on the market. Findings Over a three-month period, following the introduction of URA, the authors find uranium stocks display decreased bid-ask spread measures, driven by reductions in information asymmetry. Relative effective spreads decrease by 36% after the introduction of URA, and adverse selection costs decline by 24% over the same period. Uranium stocks experience a significant positive abnormal return of 5.0% the day after the introduction of URA with subsequent price reversals. These suggest that the introduction of URA prompted uninformed traders to rebalance portfolios and migrate to the less information-sensitive Exchange-Traded Fund (ETF), causing temporary deviations in trading characteristics. Originality/value The authors demonstrate that the introduction of new financial securities to the market can have a significant impact on the trading characteristics of related equities. As URA is the only ETF in the uranium sector, the authors thereby avoid the influence of multiple ETFs that may have impacted previous studies.","PeriodicalId":45666,"journal":{"name":"Journal of Accounting Literature","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135066095","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
Corporate social responsibility and abnormal executive compensation 企业社会责任与高管薪酬异常
Journal of Accounting Literature Pub Date : 2023-04-20 DOI: 10.1108/jal-01-2023-0010
J. Park, Tianming Zhang, Spencer R. Pierce, Yonghong Jia
{"title":"Corporate social responsibility and abnormal executive compensation","authors":"J. Park, Tianming Zhang, Spencer R. Pierce, Yonghong Jia","doi":"10.1108/jal-01-2023-0010","DOIUrl":"https://doi.org/10.1108/jal-01-2023-0010","url":null,"abstract":"PurposeThe authors examine the association between corporate social responsibility (CSR) and abnormal executive compensation. The authors hypothesize that socially responsible firms are more likely to pay their executives at a level that is in line with economic determinants.Design/methodology/approachUsing the expected compensation model developed by Core et al. (2008), the authors test our hypothesis using a large sample of US public companies.FindingsThe authors find that CSR performance is negatively associated with how much executive compensation deviates from the expected level. The authors further examine whether CSR performance is associated with excess compensation or inadequate compensation and find that socially responsible firms are less likely to pay their executives either excessively or inadequately.Originality/valueThis study provides evidence on the association between CSR performance and abnormal executive compensation, especially how CSR is associated with inadequate compensation, an area that has been largely overlooked by the literature.","PeriodicalId":45666,"journal":{"name":"Journal of Accounting Literature","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46564992","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
Causality of price movements in VIX exchange-traded products and VIX futures contracts 波动率指数交易所交易产品和波动率指数期货合约价格变动的因果关系
Journal of Accounting Literature Pub Date : 2023-04-12 DOI: 10.1108/jal-12-2022-0126
Michael J. O'Neill, G. Rajaguru
{"title":"Causality of price movements in VIX exchange-traded products and VIX futures contracts","authors":"Michael J. O'Neill, G. Rajaguru","doi":"10.1108/jal-12-2022-0126","DOIUrl":"https://doi.org/10.1108/jal-12-2022-0126","url":null,"abstract":"PurposeThe authors analyse six actively traded VIX Exchange Traded Products (ETPs) including 1x long, −1x inverse and 2x leveraged products. The authors assess their impact on the VIX Futures index benchmark.Design/methodology/approachLong-run causal relations between daily price movements in ETPs and futures are established, and the impact of rebalancing activity of leveraged and inverse ETPs evidenced through causal relations in the last 30 min of daily trading.FindingsHigh frequency lead lag relations are observed, demonstrating opportunities for arbitrage, although these tend to be short-lived and only material in times of market dislocation.Originality/valueThe causal relations between VXX and VIX Futures are well established with leads and lags generally found to be short-lived and arbitrage relations holding. The authors go further to capture 1x long, −1x inverse as well as 2x leveraged ETNs and the corresponding ETFs, to give a broad representation across the ETP market. The authors establish causal relations between inverse and leveraged products where causal relations are not yet documented.","PeriodicalId":45666,"journal":{"name":"Journal of Accounting Literature","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48876014","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
Complements, substitutes or neither? A review of the relation between corporate social responsibility and corporate tax avoidance 互补、替代还是两者都不?企业社会责任与企业避税关系研究综述
Journal of Accounting Literature Pub Date : 2023-04-04 DOI: 10.1108/jal-12-2021-0018
Shannon Jemiolo, Curtis Farnsel
{"title":"Complements, substitutes or neither? A review of the relation between corporate social responsibility and corporate tax avoidance","authors":"Shannon Jemiolo, Curtis Farnsel","doi":"10.1108/jal-12-2021-0018","DOIUrl":"https://doi.org/10.1108/jal-12-2021-0018","url":null,"abstract":"PurposeThis review analyzes the existing theoretical and empirical research on the relation between corporate taxation and corporate social responsibility (CSR). By synthesizing the current literature regarding the directional relation between tax avoidance and CSR, the authors are able to identify areas where further research on this relation should be targeted to maximize the public interest.Design/methodology/approachThe authors conduct a literature review of articles published in leading journals in the fields of accounting, finance and management. Reputable working papers are included to support emerging trends in the research and suggest meaningful paths forward.FindingsThe literature reveals a complex relation between corporate tax avoidance and CSR. The published research offers theoretical and empirical support for both a substitutive and a complementary directional relation. An actionable takeaway from this review is that corporate taxation must be considered jointly with CSR when seeking to maximize the public interest.Originality/valueThe authors find a rapid influx of research over the past decade that explores the complex directional relation between corporate tax avoidance and CSR. This review will be useful to researchers that are interested in moving beyond a directional characterization of this relation. By synthesizing both established and emerging literature, the authors provide a foundation and direction for future research to examine issues that may directly inform tax or firm policies to increase overall stakeholder welfare.","PeriodicalId":45666,"journal":{"name":"Journal of Accounting Literature","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48973999","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
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