Journal of Business Venturing最新文献

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From platform growth to platform scaling: The role of decision rules and network effects over time 从平台成长到平台扩展:决策规则和网络效应的作用
IF 8.7 1区 管理学
Journal of Business Venturing Pub Date : 2023-09-01 DOI: 10.1016/j.jbusvent.2023.106346
Suzana Varga , Magdalena Cholakova , Justin J.P. Jansen , Tom J.M. Mom , Guus J.M. Kok
{"title":"From platform growth to platform scaling: The role of decision rules and network effects over time","authors":"Suzana Varga ,&nbsp;Magdalena Cholakova ,&nbsp;Justin J.P. Jansen ,&nbsp;Tom J.M. Mom ,&nbsp;Guus J.M. Kok","doi":"10.1016/j.jbusvent.2023.106346","DOIUrl":"10.1016/j.jbusvent.2023.106346","url":null,"abstract":"<div><p>Although firms increasingly operate with platform-based business models, only a few have been shown to prosper and survive in the long run. While the literature has traditionally focused on platform growth along with facilitating network effects through value creation, our knowledge around platform scaling remained rather limited. Using an inductive theory elaboration approach with a longitudinal case study of a two-sided platform, Takeaway.com, we offer in-depth understanding about how the top management team members used decision rules to navigate emergent opportunities and challenges over time, and to transition from platform growth to platform scaling. We find that the top management team members purposefully and repeatedly use and revise a portfolio of decision rules to cultivate indirect and data network effects, which allows them to initially facilitate the growth of their platform and over time support the transition to scaling the platform. Our findings provide important implications about the distinct nature of platform growth and platform scaling, and the role of decision rules in cultivating a combination of network effects over time in order to arrive at platform scaling and ensure platform survival and prosperity over an extended period.</p></div>","PeriodicalId":51348,"journal":{"name":"Journal of Business Venturing","volume":null,"pages":null},"PeriodicalIF":8.7,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42082320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Team resilience building in response to co-founder exits 应对联合创始人离职的团队应变能力建设
IF 8.7 1区 管理学
Journal of Business Venturing Pub Date : 2023-08-16 DOI: 10.1016/j.jbusvent.2023.106328
Rebecca Preller , Nicola Breugst , Holger Patzelt , Rieke Dibbern
{"title":"Team resilience building in response to co-founder exits","authors":"Rebecca Preller ,&nbsp;Nicola Breugst ,&nbsp;Holger Patzelt ,&nbsp;Rieke Dibbern","doi":"10.1016/j.jbusvent.2023.106328","DOIUrl":"10.1016/j.jbusvent.2023.106328","url":null,"abstract":"<div><p>Founding teams often experience the exit of co-founders. To develop theory about how founding teams deal with adversity emerging from the exit of one of their members, we take a team-resilience perspective and study the development of six founding teams. Our inductive model highlights how founding teams take different trajectories following team member exits, leading to different types of psychological closure, which impact the teams' resilience building. Our model also suggests how teams not engaging in distancing from the exit-related adversity experience additional adversity within the continuing team, eventually leading to team failure. Our findings challenge and extend extant studies on exits in founding teams and team resilience.</p></div>","PeriodicalId":51348,"journal":{"name":"Journal of Business Venturing","volume":null,"pages":null},"PeriodicalIF":8.7,"publicationDate":"2023-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44937251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Entrepreneurs as prime targets: Insights from Mexican ventures on the link between venture visibility and crime of varying severity 作为主要目标的企业家:来自墨西哥企业的见解:企业知名度与不同严重程度的犯罪之间的联系
IF 8.7 1区 管理学
Journal of Business Venturing Pub Date : 2023-08-15 DOI: 10.1016/j.jbusvent.2023.106339
Paul Sanchez-Ruiz , Matthew S. Wood , Timothy L. Michaelis , Jaime Suarez
{"title":"Entrepreneurs as prime targets: Insights from Mexican ventures on the link between venture visibility and crime of varying severity","authors":"Paul Sanchez-Ruiz ,&nbsp;Matthew S. Wood ,&nbsp;Timothy L. Michaelis ,&nbsp;Jaime Suarez","doi":"10.1016/j.jbusvent.2023.106339","DOIUrl":"10.1016/j.jbusvent.2023.106339","url":null,"abstract":"<div><p>This study addresses entrepreneurs as targets of crime. Leveraging insights from strategic responses to institutional pressures as the main theoretical frame, coupled with supporting insights from routine activities theory and interview data from 14 entrepreneurs who have been victims of crime, we introduce entrepreneur-led ventures becoming targets of crime via their engagement in routine activities that increase venture visibility. We then conceptualize that crime severity pushes entrepreneurs toward venture visibility-reduction responses, such as truncating growth, relocating, or discontinuing the venture. Survey data from 87,486 legally registered entrepreneur-led ventures in Mexico provide strong support for the relationships in our theoretical model. We find that as routine venture activities increase, entrepreneurs encounter crime of increasing severity, with the routine venture activity of making transactions at a bank serving as the strongest attractor of crime. Building on these findings, we observe an indirect effect through crime severity such that the choice to relocate the venture is the most likely response to being targeted by criminals. Our results advance the literature at the intersection of crime and entrepreneurship, especially in developing economies, and offers venture visibility as a mechanism that shapes both criminals' targeting of ventures and entrepreneurs' attempts to reduce being targeted.</p></div>","PeriodicalId":51348,"journal":{"name":"Journal of Business Venturing","volume":null,"pages":null},"PeriodicalIF":8.7,"publicationDate":"2023-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41712466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The benefits of having an entrepreneur-mother: Influence of mother's entrepreneurial status on human capital formation among children 拥有企业家母亲的好处:母亲的企业家地位对儿童人力资本形成的影响
IF 8.7 1区 管理学
Journal of Business Venturing Pub Date : 2023-08-02 DOI: 10.1016/j.jbusvent.2023.106329
Wenchao Li , Di Tong
{"title":"The benefits of having an entrepreneur-mother: Influence of mother's entrepreneurial status on human capital formation among children","authors":"Wenchao Li ,&nbsp;Di Tong","doi":"10.1016/j.jbusvent.2023.106329","DOIUrl":"10.1016/j.jbusvent.2023.106329","url":null,"abstract":"<div><p>Prior research shows that childcare is a unique driver for female entrepreneurship, as entrepreneurship allows women to increase time allocation on child supervision. Yet, whether female entrepreneurship actually promotes childrearing outcomes remains contentious in extant literature. This study focuses on child human capital formation as a key childrearing outcome. Drawing on the occupational inheritance literature, we suggest that, in addition to supervision, entrepreneur-mothers may foster child human capital formation through value transmission—in particular, transmitting self-direction values to children. Using nationally representative data from China, we find that children with entrepreneur-mothers exhibit better human capital formation outcomes—especially when they are younger and female. We further show that both supervision and value transmission are present, with the latter being a more important mechanism. Reconciling conflicting views in the literature, our study has both theoretical and practical implications.</p></div><div><h3>Executive summary</h3><p>Prior female entrepreneurship research suggests that women often choose to be entrepreneurs out of family, particularly childrearing, considerations. Entrepreneurship offers work autonomy and scheduling flexibility, allowing entrepreneur-mothers to better allocate time to childrearing activities. Given that numerous studies document a positive relationship between maternal time allocation and childrearing outcomes, conceivably entrepreneur-mothers should achieve favorable childrearing outcomes. Entrepreneurial research focusing on the business-family interface, however, suggests female entrepreneurs often face unanticipated pressures that limit their ability to care for family members. In addition, some female entrepreneurs may be motivated more by career than by childcare considerations. As such, the relationship between female entrepreneurship and childrearing outcomes remains conceptually and empirically ambiguous. Given the foregoing situation, we examine this relationship both theoretically and empirically, focusing on child human capital formation as a specific and important childrearing outcome.</p><p>Examining how female entrepreneurship relates to child human capital formation is of both scholarly and practical importance. First, it brings enhanced clarity to our understanding of the family- and child-related consequences of female entrepreneurship, thus affording reconciliation of the ambiguous predictions found in extant theories. Accordingly, we advance research on female entrepreneurship. Exploring the relationship also adds to the family embeddedness perspective in the broader entrepreneurship literature, because child development is a crucial component within the family domain.</p><p>Second, our research has practical values and policy implications. Prospective female entrepreneurs may, regardless of their pre-entry intentions, be interested in learning how ente","PeriodicalId":51348,"journal":{"name":"Journal of Business Venturing","volume":null,"pages":null},"PeriodicalIF":8.7,"publicationDate":"2023-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43321593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Network to passion or passion to network? Disentangling entrepreneurial passion selection and contagion effects among peers and teams in a startup accelerator 网络对激情还是激情对网络?创业加速器中同伴和团队之间纠缠的创业激情选择和传染效应
IF 8.7 1区 管理学
Journal of Business Venturing Pub Date : 2023-07-01 DOI: 10.1016/j.jbusvent.2023.106299
Kai Becker , Joris J. Ebbers , Yuval Engel
{"title":"Network to passion or passion to network? Disentangling entrepreneurial passion selection and contagion effects among peers and teams in a startup accelerator","authors":"Kai Becker ,&nbsp;Joris J. Ebbers ,&nbsp;Yuval Engel","doi":"10.1016/j.jbusvent.2023.106299","DOIUrl":"10.1016/j.jbusvent.2023.106299","url":null,"abstract":"<div><p>Entrepreneurial passion is socially contagious. However, do entrepreneurs also select whom they interact with based on passion similarity? The complex interdependencies between social networks and entrepreneurial passion remain undertheorized and empirically puzzling. Using a stochastic actor-oriented model (SIENA) and four waves of panel data, we test hypotheses about the co-evolution of social networks and entrepreneurial passion during a 5-month startup accelerator program. We observe that social ties occur more frequently among peer entrepreneurs who are similar in levels of passion for founding. Initial homophily selection explains 34% of this observed similarity whereas social contagion explains 57%. Finally, we find that passion for founding is more contagious among members of startup teams than across other peer ties. Surprisingly, none of these effects are significant for passion for inventing. We discuss the theoretical and practical implications of these findings.</p></div>","PeriodicalId":51348,"journal":{"name":"Journal of Business Venturing","volume":null,"pages":null},"PeriodicalIF":8.7,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48312476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Facing the future through entrepreneurship theory: A prospective inquiry framework 创业理论面向未来:一个前瞻性的研究框架
IF 8.7 1区 管理学
Journal of Business Venturing Pub Date : 2023-07-01 DOI: 10.1016/j.jbusvent.2023.106303
Pablo Muñoz , Dimo Dimov
{"title":"Facing the future through entrepreneurship theory: A prospective inquiry framework","authors":"Pablo Muñoz ,&nbsp;Dimo Dimov","doi":"10.1016/j.jbusvent.2023.106303","DOIUrl":"10.1016/j.jbusvent.2023.106303","url":null,"abstract":"<div><p>In this paper, we address a thorny challenge: how can entrepreneurship scholarship enhance its impact without compromising the pursuit of conceptual rigor and theoretical novelty? We propose a <em>prospective</em> inquiry framework for entrepreneurship. It aims to align the scholarly pursuit of theoretical novelty with the entrepreneurs' focus on the future, in a shared aspiration to make a difference in the world. By expanding the focus of theoretical work toward the future, scholarship can focus on the formulation, exploration, and evaluation of alternatives to the present, as theories for desired futures. Prospective inquiry retains the primacy of theorizing while expanding its purpose, value, and use in entrepreneurship research, unleashing its generative power. It opens new spaces for theoretical excellence, dissolves the research-practice gap, and allows researchers and practitioners to theorize and enact their aspirations for the future.</p></div>","PeriodicalId":51348,"journal":{"name":"Journal of Business Venturing","volume":null,"pages":null},"PeriodicalIF":8.7,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42945275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Early-stage business model experimentation and pivoting 早期商业模式实验和转型
IF 8.7 1区 管理学
Journal of Business Venturing Pub Date : 2023-07-01 DOI: 10.1016/j.jbusvent.2023.106314
Devin Burnell , Regan Stevenson , Greg Fisher
{"title":"Early-stage business model experimentation and pivoting","authors":"Devin Burnell ,&nbsp;Regan Stevenson ,&nbsp;Greg Fisher","doi":"10.1016/j.jbusvent.2023.106314","DOIUrl":"10.1016/j.jbusvent.2023.106314","url":null,"abstract":"<div><p>Recent literature suggests entrepreneurs struggle to pivot—or fundamentally change aspects of their venture—due to identity-based resistance to change. Yet, when entrepreneurs receive negative feedback, overcoming this resistance may be important to pivoting their business model. We adopt a convergent, mixed methods research design to explore when and why some entrepreneurs overcome resistance to change in response to negative feedback during early-stage business model experimentation. Building upon qualitative data that we gathered and analyzed, we theorize entrepreneurs may resist pivoting their value proposition relative to other business model components despite receiving negative feedback on this aspect of their business model. However, we find three factors – entrepreneurial experience, startup mentoring, and team size – may enable entrepreneurs to pivot in response to negative feedback. We theorize that these factors broaden a startup team's perspective, enabling value proposition pivoting during early-stage business model experimentation. We test these relationships with quantitative data from 80 startups engaged in business model experimentation and find support across hypotheses. We contribute to understanding when and why entrepreneurs pivot aspects of their business models in response to negative feedback during early-stage business model experimentation.</p></div><div><h3>Executive summary</h3><p>The entrepreneurship literature suggests startups may benefit from experimentation and pivoting different parts of their business model in response to negative feedback from stakeholders (Andries et al., 2021; Camuffo et al., 2020; Shepherd and Gruber, 2021). In early stages of starting a new venture, a business model refers to a cognitive schema or belief about an activity system that could potentially create and capture value (Massa et al., 2017; Shepherd and Gruber, 2021). Business model experimentation is the process of testing assumptions underlying this potential business model and pivoting business model assumptions in response to negative feedback (Andries et al., 2013; McDonald and Eisenhardt, 2020; Leatherbee and Katila, 2020). Building upon prior literature, we define <em>business model pivoting</em> as a fundamental change to parts of the business model (Berends et al., 2021; Snihur and Clarysse, 2022; Shepherd and Gruber, 2021). Yet, literature also suggests founders often struggle to pivot assumptions despite negative feedback. Motives to preserve and protect certain assumptions relevant to founders' identities can interfere with pivoting (Grimes, 2018; Kirtley and O'Mahony, 2023; Zuzul and Tripsas, 2020). Despite the general understanding that founders struggle to change their ideas, however, the entrepreneurship literature currently lacks precise insight into when and why founders can overcome resistance to pivoting.</p><p>In this research, we explore when and why startups pivot different parts of their business model","PeriodicalId":51348,"journal":{"name":"Journal of Business Venturing","volume":null,"pages":null},"PeriodicalIF":8.7,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41534087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Moving on: Narrative identity reconstruction after entrepreneurial failure 继续:创业失败后的叙事身份重建
IF 8.7 1区 管理学
Journal of Business Venturing Pub Date : 2023-07-01 DOI: 10.1016/j.jbusvent.2023.106302
Itziar Castelló , David Barberá-Tomás , Eero Vaara
{"title":"Moving on: Narrative identity reconstruction after entrepreneurial failure","authors":"Itziar Castelló ,&nbsp;David Barberá-Tomás ,&nbsp;Eero Vaara","doi":"10.1016/j.jbusvent.2023.106302","DOIUrl":"10.1016/j.jbusvent.2023.106302","url":null,"abstract":"<div><p>Despite increasing interest in the narratives of entrepreneurial failure, the understanding of how entrepreneurs reconstruct their identity as they advance from experiences of failure to new ventures remains partial. Based on a narrative analysis of 49 entrepreneurs' experiences, we uncover three narrative types used by entrepreneurs when moving on: shielding, transformation, and authenticity. In particular, we elaborate on how the entrepreneurs employ specific discursive practices in their narratives to deal with three central aspects of identity reconstruction: construction of responsibility, identity transition, and identity validation. Thus, our analysis elucidates the narrative underpinnings of dealing with failure and deepens our understanding of entrepreneurial identity construction in the context of moving on.</p></div>","PeriodicalId":51348,"journal":{"name":"Journal of Business Venturing","volume":null,"pages":null},"PeriodicalIF":8.7,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49283853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A tale of two life stages: The imprinting effect of macroeconomic contractions on later life entrepreneurship 两个人生阶段的故事:宏观经济紧缩对晚年创业的影响
IF 8.7 1区 管理学
Journal of Business Venturing Pub Date : 2023-07-01 DOI: 10.1016/j.jbusvent.2023.106313
Panagiotis Sotirakopoulos , Matthew P. Mount , Cahit Guven , Aydogan Ulker , Carol Graham
{"title":"A tale of two life stages: The imprinting effect of macroeconomic contractions on later life entrepreneurship","authors":"Panagiotis Sotirakopoulos ,&nbsp;Matthew P. Mount ,&nbsp;Cahit Guven ,&nbsp;Aydogan Ulker ,&nbsp;Carol Graham","doi":"10.1016/j.jbusvent.2023.106313","DOIUrl":"10.1016/j.jbusvent.2023.106313","url":null,"abstract":"<div><p>Studies argue that macroeconomic contractions create immediate incentives for individuals to pursue entrepreneurship. However, research has not addressed whether past macroeconomic contractions <em>imprint</em> on individuals and influence their future entrepreneurship. Integrating literature on the business cycle and imprinting with insights from lifespan psychology, we develop and test competing theoretical arguments aligned to two distinct life stages about <em>when</em> a macroeconomic contraction will imprint on individuals to influence their future entrepreneurship, and <em>how</em> such effects are imprinted. Our findings show that only contractions experienced during early adulthood influence entrepreneurship and this effect is transmitted culturally via country-level preferences for time discounting.</p></div>","PeriodicalId":51348,"journal":{"name":"Journal of Business Venturing","volume":null,"pages":null},"PeriodicalIF":8.7,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45492476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Not so silent partners: Exploring the interconnected roles of entrepreneurs and their spouses 不那么沉默的伙伴:探索企业家和他们的配偶相互关联的角色
IF 8.7 1区 管理学
Journal of Business Venturing Pub Date : 2023-07-01 DOI: 10.1016/j.jbusvent.2023.106312
Blake D. Mathias, Stephanie Wang
{"title":"Not so silent partners: Exploring the interconnected roles of entrepreneurs and their spouses","authors":"Blake D. Mathias,&nbsp;Stephanie Wang","doi":"10.1016/j.jbusvent.2023.106312","DOIUrl":"10.1016/j.jbusvent.2023.106312","url":null,"abstract":"<div><p>When launching their ventures, the majority of entrepreneurs are married. Yet, our understanding of the spousal influence on the entrepreneurial process remains limited. This is surprising considering the spouse represents one of the most influential figures in an individual's life. Through an inductive qualitative analysis of 18 spouse-entrepreneur pairs, we explore the interactive nature of venture-related roles between the spousal couple and how these spousal roles evolve over the course of the venture. Our study shows that the dynamic alignment between entrepreneurial roles and spousal roles allows the venture to progress through various stages of firm innovation, creation, and growth. Thus, our paper extends the broader literature on roles during the venturing process as we illuminate the “not-so-silent role” of spouses in entrepreneurship.</p></div>","PeriodicalId":51348,"journal":{"name":"Journal of Business Venturing","volume":null,"pages":null},"PeriodicalIF":8.7,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48422123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"管理学","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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