404 research outputs found

    Understanding Purchasing Behaviors for Online Grey Privacy Products -The Moderating Effect of Grey Product Knowledge

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    Some products are subconsciously thought to be seldom purchased online, but in fact search online this paper have found a large number of online purchases, such as bra. So what are the characteristics of this kind of product? From the perspective of outlier knowledge, this study analyses why consumers buy such products, who is buying, whatā€™s the relationship between grey product and purchasing behavior. The research process of this paper is as follows: Firstly, the consumers who buy bra online are interviewed by field interviews, and the different effects of the attributes of such products on consumers are summarized from the perspective of outlier knowledge. Secondly, the influencing factors privacy concerns and purchasing behavior in the model are measured by the previous maturity scale, while the grey products knowledge is revised by using Bruck\u27s scale for reference. Finally, sample data are obtained by questionnaire. This study finds that privacy concerns have a negative impact on consumers\u27 online purchasing behavior of grey privacy products and consumers\u27 grey products knowledge has a significant positive impact on consumers\u27 purchasing behavior from the perspective of outlier knowledge. Discussing the factors of consumers\u27 online purchasing behavior from the perspective of outlier knowledge management can provide a new perspective for follow-up study

    The Outlier Knowledge of Products Based On Grey Privacy Information

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    Product attributes are closely related to consumers\u27 willingness to buy on e-commerce. Some products are considered that few people would buy them online, but in fact they have large sales volume, such as underwear products. This study analyzed from the perspective of the product grey private information of why consumers buy and who is buying these products, what kind of relationship between the purchasing comments and product attributes of these products. Firstly, we select the companies with certain influence to the exploratory research to study the company\u27s comments, and do the data mining of the top 10 products of the best sales and the last 10 products of the poor sales. Secondly, we analyzed the product attributes of the 14 enterprises again by the iterative method and compared with the first exploration result. Thirdly, we studied on the value of common knowledge and outlier knowledge for these products. The study found that common knowledge has the sensitive interval for the price of grey private products, the product price, the discount of the product and the sales volume of the product have significant relationship. The discovery of outlier knowledge is open and the comfort is very different. There is a significant positive correlation between the time of marketing and the sales volume: simple, natural, health products and sales are related; the extreme situations are not universal, but have good room for growth

    Research on the carbon emission reduction effects of green finance in the context of environment regulations

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    The rise in carbon emissions has significantly aggravated issues related to climate change. In light of this background, there has been a strong focus on using financial methods to reduce carbon emissions. Based on panel data for China for the period 2003ā€“ 2019, we examine the effects of green finance on carbon emissions and the moderating effects of environmental regulations. The results indicate that green finance development alleviates carbon emissions. Meanwhile, our findings on the effects of green finance policies suggest that the implementation of such policies will strengthen the carbon-emission reduction effects of green finance. Additionally, the impacts of green finance on carbon emissions are moderated by administration and public-oriented environmental regulations rather than market-oriented environmental regulations. As the biggest emitter of carbon emissions in the world, China should prioritise the consistent and steady development of green finance and facilitate the green finance legislation. Furthermore, China should enhance the role of marketoriented environmental regulations while considering the synergy between environmental regulations and green finance

    Can financial capability improve entrepreneurial performance? Evidence from rural China

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    The capability of individuals to manage their finances is essential to the outcomes of their entrepreneurial activities. Using panel data from the China Household Finance Survey (C.H.F.S.) in 2013, 2015 and 2017, this article examines how financial capability affects entrepreneurial performance in rural China. The results demonstrate that financial capability is positively correlated with the scale, profitability and sustainability of entrepreneurship, which is robust in consideration of endogeneity. The effects of financial capability are heterogeneous for different entrepreneurs. Furthermore, technology, labour and land act as the mediating variables through which financial capability improves entrepreneurial performance. Therefore, to facilitate entrepreneurial success, it is important to provide entrepreneurs with financial education. Meanwhile, improvements to the financial environment should also be considered. Additionally, financial institutions should combine financial services with factors, such as technology, land and labour, to improve entrepreneurial performance

    Fibrin Gel as an Injectable Biodegradable Scaffold and Cell Carrier for Tissue Engineering

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    Due to the increasing needs for organ transplantation and a universal shortage of donated tissues, tissue engineering emerges as a useful approach to engineer functional tissues. Although different synthetic materials have been used to fabricate tissue engineering scaffolds, they have many limitations such as the biocompatibility concerns, the inability to support cell attachment, and undesirable degradation rate. Fibrin gel, a biopolymeric material, provides numerous advantages over synthetic materials in functioning as a tissue engineering scaffold and a cell carrier. Fibrin gel exhibits excellent biocompatibility, promotes cell attachment, and can degrade in a controllable manner. Additionally, fibrin gel mimics the natural blood-clotting process and self-assembles into a polymer network. The ability for fibrin to cure in situ has been exploited to develop injectable scaffolds for the repair of damaged cardiac and cartilage tissues. Additionally, fibrin gel has been utilized as a cell carrier to protect cells from the forces during the application and cell delivery processes while enhancing the cell viability and tissue regeneration. Here, we review the recent advancement in developing fibrin-based biomaterials for the development of injectable tissue engineering scaffold and cell carriers

    Spatial distribution patterns of phosphorus in top-soils of Greater London Authority area and their natural and anthropogenic factors

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    Soil phosphorus (P) has a strong impact on soil and water quality. Soils in urban areas tend to enrich P, however, they have not been adequately investigated. A total of 6467 top-soil samples were collected and analysed by the British Geological Survey, providing basic data for studying the top-soil P distribution patterns and their environmental implications. The hotspots and cool spots were identified using the index of local Moran's I, which is a powerful methodology for discerning spatial clusters and spatial outliers. Combined with the results of one-way analysis of variances (ANOVA), a strong natural control of P was illustrated with elevated concentrations in areas of alluvium and river terrace deposits. P concentration in the lower Thames Estuary was clearly influenced by the tidal effect which has diluted the P-enriched sediments. The high concentration of Si and low pH level were linked to the low value clusters of P in Hyde Park and Richmond Park. Besides the natural control, the high value clusters concentrated in the city centre and built-up area, which indicated soil P content was strongly affected by human activities. The results of a t-test also showed the significant distinction of P concentrations between urban area and non-urbanised area, implying that urbanization and built-up materials accounted mostly for the locations and magnitude of the P pool. To conclude, the spatial patterns of P observed in the study area were controlled by both natural (parent materials (PMs) and geomorphology) and anthropogenic (urbanization) factors

    On Enriching the Levin-Wen model with Symmetry

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    Symmetry protected and symmetry enriched topological phases of matter are of great interest in condensed matter physics due to new materials such as topological insulators. The Levin-Wen model for spin/boson systems is an important rigorously solvable model for studying 2D2D topological phases. The input data for the Levin-Wen model is a unitary fusion category, but the same model also works for unitary multi-fusion categories. In this paper, we provide the details for this extension of the Levin-Wen model, and show that the extended Levin-Wen model is a natural playground for the theoretical study of symmetry protected and symmetry enriched topological phases of matter.Comment: 21 pages, 6 figure

    The Impact of Modifications in Forest Litter Inputs on Soil N2O Fluxes: A Meta-Analysis

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    Although litter can regulate the global climate by influencing soil N2O fluxes, there is no consensus on the major drivers or their relative importance and how these impact at the global scale. In this paper, we conducted a meta-analysis of 21 global studies to quantify the impact of litter removal and litter doubling on soil N2O fluxes from forests. Overall, our results showed that litter removal significantly reduced soil N2O fluxes (āˆ’19.0%), while a doubling of the amount of litter significantly increased soil N2O fluxes (30.3%), based on the results of a small number of studies. Litter removal decreased the N2O fluxes from tropical forest and temperate forest. The warmer the climate, the greater the soil acidity, and the larger the soil C:N ratio, the greater the impact on N2O emissions, which was particularly evident in tropical forest ecosystems. The decreases in soil N2O fluxes associated with litter removal were greater in acid soils (pH 15. Litter removal decreased soil N2O fluxes from coniferous forests (āˆ’21.8%) and broad-leaved forests (āˆ’17.2%) but had no significant effect in mixed forests. Soil N2O fluxes were significantly reduced in experiments where the duration of litter removal was <1 year. These results showed that modifications in ecosystem N2O fluxes due to changes in the ground litter vary with forest type and need to be considered when evaluating current and future greenhouse gas budgets.Beijing Academy of Agriculture and Forestry Sciences (BAAFS)Natural Science Foundation of Changsh
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