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1.
以中国用户规模最大短视频平台之一快手头部主播直播带货推广项目的案例和数据分析为基础,构建解释快手直播电商经济底层逻辑的社会学机制模型.提出快手直播电商经济背后的3种社会学机制:关键影响者逻辑、身份认同逻辑和社会网络逻辑.通过LDA文档主题生成模型将快手主播的直播语义字段进行文档主题生成归类,发现情感因素和理性因素词交互影响受众的购买决策,它背后的社会学作用机制是关键影响者逻辑和身份认同逻辑.2020年快手直播电商半年交易额已达1044亿元,理解快手直播背后的影响机制,能够持续优化推广模型,在互联网流量广告领域具有重要的应用价值. 相似文献
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In this paper, we empirically investigate the relationship between informal sector employment and micro-level socio-demographic characteristics, political acts and attitudes, and individual norms. Using self-reported individual micro-level data from the World Values Survey for seven developing countries (China, Ecuador, Egypt, Mexico, Peru, South Africa and Yemen), our cross-country regressions and principal component analysis reveal that socio-demographic characteristics of individuals are strong predictors of their informal sector employment. Our estimations further document that individual preferences for an economically strong, interventionist and egalitarian state and confidence in state and political institutions are positively and significantly correlated with informal sector employment, whereas variables associated with confidence in free market institutions and support for competition are negatively and significantly correlated with informal sector employment. We also show that individuals who participate either actively or inactively in peaceful and lawful political processes are significantly less likely to work in the informal sector. Finally, we document that individual norms, such as religiosity and tax morale, are negatively correlated with informal sector employment. Throughout our analysis, instead of having to rely on ad-hoc informality categorizations of third parties, we base our measurement of informal sector employment directly on the self-evaluation of individuals, who have the best information on the degree of their informality. 相似文献
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《Statistica Neerlandica》2018,72(2):109-125
Consider the standard nonparametric regression model and take as estimator the penalized least squares function. In this article, we study the trade‐off between closeness to the true function and complexity penalization of the estimator, where complexity is described by a seminorm on a class of functions. First, we present an exponential concentration inequality revealing the concentration behavior of the trade‐off of the penalized least squares estimator around a nonrandom quantity, where such quantity depends on the problem under consideration. Then, under some conditions and for the proper choice of the tuning parameter, we obtain bounds for this nonrandom quantity. We illustrate our results with some examples that include the smoothing splines estimator. 相似文献
5.
Bouncing Back from Extreme Weather Events: Some Preliminary Findings on Resilience Barriers Facing Small and Medium‐Sized Enterprises
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George Halkos Antonis Skouloudis Chrisovaladis Malesios Konstantinos Evangelinos 《Business Strategy and the Environment》2018,27(4):547-559
Extreme weather events (EWEs) pose unprecedented threats to modern societies and represent a much‐debated issue strongly interlinked with current development policies. Small and medium‐sized enterprises (SMEs), which constitute a driving force of economic growth, employment and total value added, remain highly vulnerable to and ill prepared for such environmental perturbations. This study investigates barriers to SMEs’ resilience to EWEs in an attempt to shed light on enabling factors that can define effective organizational responses to non‐linear environmental stimuli. Relying on structural equation modeling and data gathered from 109 SMEs that recently experienced EWE impacts, we link the general concept of SMEs’ resilience barriers to EWEs with a series of elements to determine specific internal and external factors that contribute the most to EWE resilience. In particular, external barriers of institutional conditions and mechanisms of support and guidance as well as internal barriers of resources and managerial perceptions are found to be the most critical ones in determining resilience. The assessment offers essential research evidence for practitioners on SME management and sets forth linkages with current mechanisms for policy interventions towards an appropriate resilience agenda for SMEs. Copyright © 2018 John Wiley & Sons, Ltd and ERP Environment 相似文献
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Growing urbanisation in South Africa is reflected in burgeoning Working class and informal township settlements on the fringes of its major towns and cities. Paired with this is an increasing reliance on cash as the primary means of economic transaction, which has in turn stimulated the growth of micro-enterprise business activities within the township context. This article discusses the findings of an eight-township small-area census which occurred between 2010 and 2013 in Cape Town, Johannesburg, Ekurhuleni and Durban townships representing 250 000 residents. The researchers were able to establish the scope and scale of informal food and drink retailing in these localities. Of the 10 049 micro-enterprises located in the study, some 3966 (or 39% of the total) trade in food. These include enterprises in primary production, fresh produce retailing, grocery retailing from house and spaza shops, and informal foodservice enterprises. Food is the basis for much township informal business and plays an important role in making food increasingly affordable and locally accessible, and in creating cash employment. The article builds on the knowledge base of the township informal economy role in bolstering food security needs for the marginalised. 相似文献
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The global financial crisis since 2008 revived the debate on whether or not and to what extent financial development contributes to economic growth. This paper reviews different theoretical schools of thought and empirical findings on this nexus, building on which we aim to develop a unified, microfounded model in a small open economy setting to accommodate various theoretical possibilities and empirical observations. The model is then calibrated to match some well-documented stylized facts. Numerical simulations show that, in the long run, the welfare-maximizing level of financial develop is lower than the growth-maximizing level. In the short run, the price channel (through world interest rate) dominates the quantity-channel (through financial productivity), suggesting a vital role of international cooperation in tackling systemic risk of the global financial system. 相似文献
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Various authors, including Elinor Ostrom, have shown that the legal form of a cooperative has many of the characteristics of a Common. Here we focus on cooperative conversion, through which conventional enterprises become labor‐managed firms (LMFs), viewing it dynamically as a communalization process. These processes are addressed in the light of a field survey carried out in France, looking at six firms involved in cooperative conversion. The changes entailed are two‐dimensional, both material and mental. This is visible, for example, when finding the capital to mount an LMF: members of the workforce must draw on their own funds; they must also believe in the project. Through our empirical observations we highlight the obstacles in the way of forming an LMF. In particular participants must undertake a work of negotiation hinging on stakes marked by the two, largely inseparable dimensions. Ultimately we query the ethic brought into play in the collective action of constituting a Common. Specifically, individuals must contribute to a collective action underpinned by principles of self‐governance, or commoning, the rock on which the Common rests. A key finding of our study is to demonstrate that a Common can only be successfully created if the constituent processes are consistent with the overall goal. In other words the manner in which we travel is inseparable from our final destination; otherwise we shall surely lose our way. 相似文献
10.
Anja Marie Bundgaard Rikke Dorothea Huulgaard 《Business Strategy and the Environment》2019,28(5):699-709
This paper examines whether luxury products can support a circular economy. This is done through a literature review of luxury products and the links to circular economy, as well as a case study of Bang & Olufsen (B&O). The literature review revealed links between some of the core characteristics of luxury products and the circular economy. This included aspects such as the high quality, durability, service schemes, extended warranties, and large aftermarkets. The case study supports the links between the inner circles in the circular economy (maintenance, repair, and reuse) and some of the core characteristics of luxury products. B&O produces products with a long lifespan, has extended warranties, repair and service schemes, spare part availability for 8 years, an aftermarket, and leasing schemes. B&O also does reconditioning of components for its repair loop, conducts dismantling tests, marks plastic parts, and has a negative list that excludes certain hazardous components. 相似文献