Journal of Property Investment & Finance最新文献

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Money supply, exchange rates and office market dynamics: comparative evidence from the UK and Germany 货币供应、汇率和写字楼市场动态:来自英国和德国的比较证据
IF 1.3
Journal of Property Investment & Finance Pub Date : 2021-11-16 DOI: 10.1108/jpif-03-2021-0025
A. Coën, B. Lefebvre
{"title":"Money supply, exchange rates and office market dynamics: comparative evidence from the UK and Germany","authors":"A. Coën, B. Lefebvre","doi":"10.1108/jpif-03-2021-0025","DOIUrl":"https://doi.org/10.1108/jpif-03-2021-0025","url":null,"abstract":"PurposeThe aim of this study is to shed light on the relative importance of money supply and exchange rates variations on office markets prices dynamics.Design/methodology/approachUsing a parsimonious real estate asset pricing model, the authors focus on the two biggest European office markets; namely the United Kingdom and Germany. The authors use a panel approach based on a robust econometric methodology (GMM with correction errors-in-variables). The authors take into account the variations of exchange rates and money supplies for the most important currencies.FindingsThe results highlight the impact of money supplies and exchange rates on office prices after the Global Financial Crisis. The authors report that the monetary policies in the UK and in Germany (Euro zone) have had significant influences in the real estate sector after the Global Financial Crisis. However, the authors identified significant differences between British and German office markets for the 2009–2019 period regarding the impact of money supply and exchange rates variations on the office prices dynamics.Practical implicationsThe results highlight the impact of money supplies and exchange rates on office prices after the Global Financial Crisis. The detailed and exclusive database (composed of the main office markets in the United Kingdom and in Germany) allows the authors to identify significant differences and opportunities for investors.Originality/valueThe authors use a parsimonious model and apply a panel approach based on a robust econometric methodology to analyse the impact of exchange rates and money supply variations on the office prices dynamics. The detailed and exclusive database (composed of the main office markets in the United Kingdom and in Germany) allows the authors to identify significant differences for investors.","PeriodicalId":46429,"journal":{"name":"Journal of Property Investment & Finance","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2021-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45018253","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
Is tokenization of real estate ready for lift off in APAC? 房地产代币化在亚太地区准备好了吗?
IF 1.3
Journal of Property Investment & Finance Pub Date : 2021-11-16 DOI: 10.1108/jpif-10-2021-0087
Yuen Leng Chow, Kok Keong Tan
{"title":"Is tokenization of real estate ready for lift off in APAC?","authors":"Yuen Leng Chow, Kok Keong Tan","doi":"10.1108/jpif-10-2021-0087","DOIUrl":"https://doi.org/10.1108/jpif-10-2021-0087","url":null,"abstract":"PurposeBlockchain and distributed ledger technologies are set to disrupt the real estate sector in all areas: ownership, sale, management and investment. Tokenization moves physical real estate to the digital space and could result in substantial cost savings in the pre- and post-tokenization process. This article discusses whether real estate as an asset class is ready for digitalization in the Asia-Pacific (APAC) region.Design/methodology/approachGlobally, the APAC region has the highest digital adaptation/adoption rates. Regulators in the region are also moving fast to clarify their stance on digital assets. This article adopts a holistic view, from trends, regulations, and technology, to discuss the benefits and challenges of digitalizing real estate in APAC.FindingsReal estate tokenization is a nascent market but platforms like BrickX, KASA, ADDX, and Minterest have successfully launched real estate tokens in Australia, South Korea, and Singapore, respectively. Tokenization may prove to be a viable funding source for those relatively poorly capitalized financial markets in the APAC region.Practical implicationsThis paper discusses the current regulatory and business contexts in relation to the pace of tokenization of real estate in APAC. Opportunities and difficulties are outlined in a concise manner to facilitate more discussion in this area.Originality/valueExisting reports and research articles tend to focus on the western markets. This article provides a new perspective on tokenization, specifically in the APAC context.","PeriodicalId":46429,"journal":{"name":"Journal of Property Investment & Finance","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2021-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48229495","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: 7
Can textual analysis solve the underpricing puzzle? A US REIT study 文本分析能解决定价偏低的难题吗?美国房地产投资信托基金研究
IF 1.3
Journal of Property Investment & Finance Pub Date : 2021-11-11 DOI: 10.1108/jpif-06-2021-0052
Nino Martin Paulus, M. Koelbl, Wolfgang Schaefers
{"title":"Can textual analysis solve the underpricing puzzle? A US REIT study","authors":"Nino Martin Paulus, M. Koelbl, Wolfgang Schaefers","doi":"10.1108/jpif-06-2021-0052","DOIUrl":"https://doi.org/10.1108/jpif-06-2021-0052","url":null,"abstract":"PurposeAlthough many theories aim to explain initial public offering (IPO) underpricing, initial-day returns of US Real Estate Investment Trust (REIT) IPOs remain a “puzzle”. The literature on REIT IPOs has focused on indirect quantitative proxies for information asymmetries between REITs and investors to determine IPO underpricing. This study, however, proposes textual analysis to exploit the qualitative information, revealed through one of the most important documents during the IPO process – Form S-11 – as a direct measure of information asymmetries.Design/methodology/approachThis study determines the level of uncertain language in the prospectus, as well as its similarity to recently filed registration statements, to assess whether textual features can solve the underpricing puzzle. It assumes that uncertain language makes it more difficult for potential investors to price the issue and thus increases underpricing. Furthermore, it is hypothesized that a higher similarity to previous filings indicates that the prospectus provides little useful information and thus does not resolve existing information asymmetries, leading to increased underpricing.FindingsContrary to expectations, this research does not find a statistically significant association between uncertain language in Form S-11 and initial-day returns. This result is interpreted as suggesting that uncertain language in the prospectus does not reflect the issuer's expectations about the company's future prospects, but rather is necessary because of forecasting difficulties and litigation risk. Analyzing disclosure similarity instead, this study finds a statistically and economically significant impact of qualitative information on initial-day returns. Thus, REIT managers may reduce underpricing by voluntarily providing more information to potential investors in Form S-11.Practical implicationsThe results demonstrate that textual analysis can in fact help to explain underpricing of US REIT IPOs, as qualitative information in Forms S-11 decreases information asymmetries between US REIT managers and investors, thus reducing underpricing. Consequently, REIT managers are incentivized to provide as much information as possible to reduce underpricing, while investors could use textual analysis to identify offerings that promise the highest returns.Originality/valueThis is the first study which applies textual analysis to corporate disclosures of US REITs in order to explain IPO underpricing.","PeriodicalId":46429,"journal":{"name":"Journal of Property Investment & Finance","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2021-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47377095","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
All grown up? Market maturity and investment in London's purpose-built student accommodation sector 都长大了?伦敦专门建造的学生住宿市场的成熟度和投资
IF 1.3
Journal of Property Investment & Finance Pub Date : 2021-11-09 DOI: 10.1108/jpif-08-2021-0072
N. Livingstone, Danielle Sanderson
{"title":"All grown up? Market maturity and investment in London's purpose-built student accommodation sector","authors":"N. Livingstone, Danielle Sanderson","doi":"10.1108/jpif-08-2021-0072","DOIUrl":"https://doi.org/10.1108/jpif-08-2021-0072","url":null,"abstract":"PurposeThe UK's purpose-built student accommodation (PBSA) sector has seen significant institutional investment in recent decades. This paper unpacks contemporary trends and perspectives on the sector. It questions whether PBSA has moved from being an “alternative” to “mainstream” residential asset class, framing the analysis through the lens of market maturity.Design/methodology/approachThe methods triangulate perspectives drawn from literature on the evolution of PBSA as an asset class with illustrations of investment trends across the UK between 2005 and 2020 using data from Real Capital Analytics (RCA), combined with findings from 40 semi-structured interviews with investors and stakeholders in PBSA in the UK London is the focus of the work, whilst other regional cities are integrated for comparison.FindingsThe results demonstrate that London's PBSA market is ahead of trends currently being replicated in regional cities. However, the regions currently offer greater return potential and opportunities for risk taking compared to London, where yields are compressed, and the market is considered lower risk. The concept of maturity remains useful as a framework for evaluating markets, however a more granular analysis of sectors is necessary to further understand asset classes within sectors. PBSA continues to trade at a premium across the UK; it is considered the most mature residential asset class.Practical implicationsThe emergence of PBSA as an asset class continues to play a developing role within the residential sector and UK investment market. Risk, value and local context remain key when integrating PBSA into institutional portfolios, and as the first to consider the UK market from a qualitative research approach, this research provides a snapshot of these influences in 2021.Originality/valueOur approach offers original insight into investment trends across the UK and is the first to focus reflections on the London market specifically. The research highlights the role of PBSA as a vanguard asset class for investors into residential, situating its growth within the framework of market maturity and drawing out market nuances from interviews.","PeriodicalId":46429,"journal":{"name":"Journal of Property Investment & Finance","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2021-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44725948","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: 4
Equity crowdfunding: an empirical investigation of success factors in real estate crowdfunding 股权众筹:房地产众筹成功因素的实证研究
IF 1.3
Journal of Property Investment & Finance Pub Date : 2021-10-21 DOI: 10.1108/jpif-06-2021-0055
G. Gigante, Giacomo Cozzio
{"title":"Equity crowdfunding: an empirical investigation of success factors in real estate crowdfunding","authors":"G. Gigante, Giacomo Cozzio","doi":"10.1108/jpif-06-2021-0055","DOIUrl":"https://doi.org/10.1108/jpif-06-2021-0055","url":null,"abstract":"PurposeThis study analyses the success factors of crowdfunding campaigns in the real estate sector.Design/methodology/approachThe success factors of general crowdfunding campaigns were identified then adapted to real estate and tested through multiple statistical analyses (T-tests, correlation matrices, variance inflation factor (VIF) and linear regression).FindingsThe findings shows that crowdfunding use in the real estate sector is evolving and that crowdfunding is a potentially disruptive tool in this sector. They also demonstrate that project duration and expected return on investment (ROI) play key roles in campaign success.Research limitations/implicationsResults are based on the Italian context only. Extending the analysis to other markets represents a fruitful starting point for further analysis.Practical implicationsThe outcomes of the paper might be useful both for perspective entrepreneurs, who are considering crowdfunding to finance their projects, and for platforms in order to shape systems and services towards enhancing campaign success.Originality/valueAlthough there are existing studies on crowdfunding success factors and applications of crowdfunding as a tool, no previous study specifically investigates the use of crowdfunding in Italian real estate by analysing success factors.","PeriodicalId":46429,"journal":{"name":"Journal of Property Investment & Finance","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2021-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45005220","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
Cognitive bias, intuitive attributes and investment decision quality in commercial real estate in Uganda 认知偏差、直觉属性与乌干达商业地产投资决策质量
IF 1.3
Journal of Property Investment & Finance Pub Date : 2021-09-13 DOI: 10.1108/jpif-11-2020-0129
M. Kinatta, T. Kaawaase, J. Munene, I. Nkote, S. K. Nkundabanyanga
{"title":"Cognitive bias, intuitive attributes and investment decision quality in commercial real estate in Uganda","authors":"M. Kinatta, T. Kaawaase, J. Munene, I. Nkote, S. K. Nkundabanyanga","doi":"10.1108/jpif-11-2020-0129","DOIUrl":"https://doi.org/10.1108/jpif-11-2020-0129","url":null,"abstract":"PurposeThis study examines the relationship between investor cognitive bias, investor intuitive attributes and investment decision quality in commercial real estate in Uganda.Design/methodology/approachA cross-sectional research survey was used in this study, and data were collected from 200 investors of commercial real estate in Uganda using a structured questionnaire. Hierarchical regression analysis was used to test the hypotheses derived under this study.FindingsThe results indicate that investor cognitive bias and investor intuitive attributes are positive and significant determinants of investment decision quality in commercial real estate. In addition, the two components of Investor cognitive bias (framing variation and cognitive heuristics) are positive and significant determinants of investment decision quality, whereas mental accounting is a negative and significant determinant of investment decision quality. For investor intuitive attributes, confidence degree and loss aversion are positive and significant determinants of investment decision quality, whereas herding behavior is a negative and significant determinant of investment decision quality in commercial real estate in Uganda.Practical implicationsFor practitioners in commercial real estate sector should emphasize independent evaluation of investment opportunities (framing variation), simplify information regarding investments (Cognitive heuristics), believe in own abilities (Confidence degree), be risk averse (loss aversion) and avoid making decisions based on subjective visual mind (mental accounting) and group think/herding in order to make quality investment decisions. For policymakers, the study has illuminated factors such as provision of reliable information that ought to be taken into account when promulgating policies for regulation of the commercial real estate sector. This will help investors to come up with investment decisions which are plausible.Originality/valueFew studies have focused on investor cognitive bias and investor intuitive attributes on investment decision quality in commercial real estate. This study is the first to examine the relationship, especially in the commercial real estate sector in a developing country like Uganda.","PeriodicalId":46429,"journal":{"name":"Journal of Property Investment & Finance","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44099288","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: 6
Sale and leaseback to market cap rate ratio in emerging markets – an empirical study in Vietnam 新兴市场的售后回租与市值比率——越南的实证研究
IF 1.3
Journal of Property Investment & Finance Pub Date : 2021-09-02 DOI: 10.1108/jpif-03-2021-0019
Quan Le Truong, Chung Yim Edward Yiu
{"title":"Sale and leaseback to market cap rate ratio in emerging markets – an empirical study in Vietnam","authors":"Quan Le Truong, Chung Yim Edward Yiu","doi":"10.1108/jpif-03-2021-0019","DOIUrl":"https://doi.org/10.1108/jpif-03-2021-0019","url":null,"abstract":"PurposeThis study hypothesises that sale and leaseback (SLB) cap rate is lower than the market cap rate in emerging economies, and the difference is due to institutional cost and vacancy risk. This study aims to provide a novel SLB-Cap-Rate Model to assess the performance of SLB transaction (SLBT).Design/methodology/approachSLBT data are generally not publicly available in developing countries. This study collected data from 31 SLBTs by conducting semi-structured interviews with stakeholders in Vietnam in 2019. The market cap rates were collected from consultants' reports. The hypotheses are tested by three regression models.FindingsThe results show that the SLBT cap rate is significantly less than the market cap rate in Vietnam, and most of the cap rate discount can be explained by institutional and risk factors. This suggests that SLBT helps to reduce search costs for tenants and vacancy risks. It explains why SLBTs are becoming more common in emerging countries.Practical implicationsThe study has a strong practical implication for assessing the performance of SLBT for both buyers and sellers. It introduces a novel model for analysing the cap rates and potential risks of SLBT to facilitate property investment decisions.Originality/valueThis paper is one of the studies that contains new knowledge on SLBs in a developing country specifically Vietnam.","PeriodicalId":46429,"journal":{"name":"Journal of Property Investment & Finance","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2021-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43563948","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
The changing nature of real estate research 房地产研究性质的变化
IF 1.3
Journal of Property Investment & Finance Pub Date : 2021-08-26 DOI: 10.1108/jpif-08-2021-0065
G. Newell
{"title":"The changing nature of real estate research","authors":"G. Newell","doi":"10.1108/jpif-08-2021-0065","DOIUrl":"https://doi.org/10.1108/jpif-08-2021-0065","url":null,"abstract":"PurposeWith the Journal of Property Investment and Finance (JPIF) being 40 years old, this paper reflects on the changes in real estate research over the last 40 years, the drivers behind these changes and how JPIF has evolved over these 40 years to retain its position as a leading real estate research journal. Challenges and opportunities are also identified for the next generation of real estate researchers to continue to develop the real estate research agenda.Design/methodology/approachThis paper is presented as a reflective article, drawing on a deep personal understanding of real estate research, how it has evolved over the last 40 years, key drivers of these changes and the challenges going forward.FindingsFundamental changes in real estate research over the last 40 years and drivers behind these changes are articulated. A pathway forward for real estate research is identified, as well as how JPIF fits into the mix.Practical implicationsWith real estate research being increasingly important in real estate academics' careers, this article provides a practical roadmap for how real estate research has changed, why it has changed and future opportunities for the next generation of real estate researchers.Originality/valueThis is the first paper to reflect on these key changes and drivers behind these changes in real estate research, as well as the opportunities for the next generation of real estate researchers.","PeriodicalId":46429,"journal":{"name":"Journal of Property Investment & Finance","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2021-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41592515","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
EditorialResponding to referees’ reports: a personal perspective 对裁判报告的回应:个人观点
IF 1.3
Journal of Property Investment & Finance Pub Date : 2021-08-19 DOI: 10.1108/jpif-09-2021-185
G. Newell
{"title":"EditorialResponding to referees’ reports: a personal perspective","authors":"G. Newell","doi":"10.1108/jpif-09-2021-185","DOIUrl":"https://doi.org/10.1108/jpif-09-2021-185","url":null,"abstract":"","PeriodicalId":46429,"journal":{"name":"Journal of Property Investment & Finance","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2021-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46377037","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 determinants of capitalization rates: evidence from the US real estate markets 资本化率的决定因素:来自美国房地产市场的证据
IF 1.3
Journal of Property Investment & Finance Pub Date : 2021-08-03 DOI: 10.1108/jpif-12-2020-0140
M. Larriva, Peter D. Linneman
{"title":"The determinants of capitalization rates: evidence from the US real estate markets","authors":"M. Larriva, Peter D. Linneman","doi":"10.1108/jpif-12-2020-0140","DOIUrl":"https://doi.org/10.1108/jpif-12-2020-0140","url":null,"abstract":"PurposeEstablishing the strength of a novel variable–mortgage debt as a fraction of US gross domestic product (GDP)–on forecasting capitalization rates in both the US office and multifamily sectors.Design/methodology/approachThe authors specifies a vector error correction model (VECM) to the data. VECM are used to address the nonstationarity issues of financial variables while maintaining the information embedded in the levels of the data, as opposed to their differences. The cap rate series used are from Green Street Advisors and represent transaction cap rates which avoids the problem of artificial smoothness found in appraisal-based cap rates.FindingsUsing a VECM specified with the novel variable, unemployment and past cap rates contains enough information to produce more robust forecasts than the traditional variables (return expectations and risk premiums). The method is robust both in and out of sample.Practical implicationsThis has direct implications for governmental policy, offering a path to real estate price stability and growth through mortgage access–functions largely influenced by the Fed and the quasi-federal agencies Fannie Mae and Freddie Mac. It also offers a timely alternative to interest rate-based forecasting models, which are likely to be less useful as interest rates are to be held low for the foreseeable future.Originality/valueThis study offers a new and highly explanatory variable to the literature while being among the only to model either (1) transactional cap rates (versus appraisal) (2) out-of-sample data (versus in-sample) (3) without the use of the traditional variables thought to be integral to cap rate modelling (return expectations and risk premiums).","PeriodicalId":46429,"journal":{"name":"Journal of Property Investment & Finance","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2021-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45041524","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
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