全文获取类型
收费全文 | 8386篇 |
免费 | 345篇 |
国内免费 | 161篇 |
专业分类
财政金融 | 522篇 |
工业经济 | 432篇 |
计划管理 | 1546篇 |
经济学 | 1775篇 |
综合类 | 1344篇 |
运输经济 | 92篇 |
旅游经济 | 150篇 |
贸易经济 | 1430篇 |
农业经济 | 629篇 |
经济概况 | 971篇 |
信息产业经济 | 1篇 |
出版年
2024年 | 16篇 |
2023年 | 130篇 |
2022年 | 98篇 |
2021年 | 169篇 |
2020年 | 293篇 |
2019年 | 187篇 |
2018年 | 168篇 |
2017年 | 227篇 |
2016年 | 250篇 |
2015年 | 259篇 |
2014年 | 523篇 |
2013年 | 676篇 |
2012年 | 697篇 |
2011年 | 793篇 |
2010年 | 672篇 |
2009年 | 589篇 |
2008年 | 608篇 |
2007年 | 590篇 |
2006年 | 510篇 |
2005年 | 350篇 |
2004年 | 254篇 |
2003年 | 209篇 |
2002年 | 152篇 |
2001年 | 120篇 |
2000年 | 102篇 |
1999年 | 62篇 |
1998年 | 36篇 |
1997年 | 25篇 |
1996年 | 29篇 |
1995年 | 15篇 |
1994年 | 13篇 |
1993年 | 8篇 |
1992年 | 11篇 |
1991年 | 15篇 |
1990年 | 3篇 |
1989年 | 4篇 |
1988年 | 4篇 |
1987年 | 5篇 |
1986年 | 5篇 |
1985年 | 3篇 |
1984年 | 5篇 |
1983年 | 3篇 |
1982年 | 2篇 |
1981年 | 2篇 |
排序方式: 共有8892条查询结果,搜索用时 15 毫秒
1.
The purpose of this research is to examine how consumers’ attachment to luxury restaurants and their emotional ambivalence contribute to their reservation session abandonment during the coronavirus disease 2019 (COVID-19) pandemic. In addition, the moderating effect of luxury consumption goals (e.g., self-presentation motives, status consumption, and need for uniqueness) is examined. A total of 408 participants completed questionnaires, and the results reveal that luxury restaurant attachment significantly influences consumers’ emotional ambivalence, which in turn causes them to not complete their reservation sessions. Furthermore, the moderating effects of status consumption and need for uniqueness are supported. 相似文献
2.
The panel data analysis points to economic and social factors contributing to NOx, PM2.5, PM10, SO2, and VOCs in China’s 31 provinces. The spatial correlation analysis using Global and Local Moran’s I values indicates the existence of a significant and positive spatial autocorrelation with respect to environment, economy and energy, and the high spatial correlation is evident in the eastern region, covering the northern part of Yangtze River Delta, Huaihai Economic Zone, and the lower reaches of the Yellow River Economic Belt. The empirical estimation is performed through spatial lag and spatial Durbin models. All emitted air pollutants in 31 provinces have significant spatial dependence and strong spillover effects. There is an inverted U-shaped relationship between emitted air pollutants (NOx, PM10, VOCs, and PM2.5) and per capita GDP, which follows the EKC hypothesis. The relationship between SO2 and per capita GDP does not follow the EKC hypothesis. There is a positive relationship between pollutant emissions and coal consumption, which is consistent with current studies for various countries like Canada, Denmark, UK and US and regions like New York State. However, the effects of science and technology investment on air pollutants are mostly positive, which is not as policy expected. 相似文献
3.
人口老龄化是经济增长的一大阻碍,它对碳排放的影响是做出环境政策抉择的关键因素.以中国2002—2017年的省级面板数据为研究样本,从理论与实证两个层面分析人口老龄化与碳排放的关系及影响机制.一方面,构建包含碳排放的世代交叠模型(overlapping generations,OLG),发现老龄化主要通过消费效应和生产效应两个路径对碳排放产生影响;另一方面,从实证层面发现老龄化与碳排放之间存在倒"U"形关系,而且消费效应在人口老龄化与碳排放的关系中起到部分中介作用,生产效应的影响则不显著. 相似文献
4.
《Socio》2021
Traffic congestion is an unpreventable problem to avoid in a transportation network and it has negative effects on traffic accident, time wasting, traffic delay and safety problem. Besides, in transportation networks, drivers do not want to deal with traffic jam while traversing between specified origin-destination pair. Therefore, traffic assignment (TA) is imperative to improve traffic management, transportation safety, time, and cost savings. System Optimum Traffic Assignment Problem (SOTAP) is a kind of TA model which aims to minimize the total system travel time on the network, and satisfies the flow conservation constraints. To model the SOTAP more realistically, the imprecise parameters can be taken as fuzzy. Therefore, in this paper, we focus on converting the conventional SOTAP to a fuzzy quadratic programming problem (QPP) which is named System Optimum Fuzzy Traffic Assignment Problem (SOFTAP). Here, link travel time is expressed with BPR function as generally used in the literature by converting to fuzzy except link-dependent parameters. Thus, the nonlinear objective function of SOFTAP is expressed in terms of fuzzy link flows and fuzzy link travel times. A solution approach from the literature is modified to the reconstructed SOFTAP. 相似文献
5.
Consumer generally prefer produce with perfect/attractive appearance and reject unattractive produce (e.g., spotted apples, curved cucumbers), which results in global economic and sustainability issues. Researchers are making efforts to find strategies to reduce consumer or retailer waste of unattractive produce. This article aims to study the role of anthropomorphism communication in the marketing of unattractive produce and to identify an empathy-helping underlying psychological mechanism. Three experimental studies found that when unattractive produce is anthropomorphized, the situation of rejection evokes consumer empathy. Feelings of empathy drive consumers to accept and purchase unattractive produce. In addition, the positive effect of anthropomorphism on purchase intentions is moderated by popularity of unattractive produce (e.g., number of shoppers). The effect of anthropomorphism is strengthened when the produce is unpopular, and it is weakened when the produce is popular. 相似文献
6.
《International Journal of Forecasting》2019,35(1):80-99
This paper discusses the specifics of forecasting using factor-augmented predictive regressions under general loss functions. In line with the literature, we employ principal component analysis to extract factors from the set of predictors. In addition, we also extract information on the volatility of the series to be predicted, since the volatility is forecast-relevant under non-quadratic loss functions. We ensure asymptotic unbiasedness of the forecasts under the relevant loss by estimating the predictive regression through the minimization of the in-sample average loss. Finally, we select the most promising predictors for the series to be forecast by employing an information criterion that is tailored to the relevant loss. Using a large monthly data set for the US economy, we assess the proposed adjustments in a pseudo out-of-sample forecasting exercise for various variables. As expected, the use of estimation under the relevant loss is found to be effective. Using an additional volatility proxy as the predictor and conducting model selection that is tailored to the relevant loss function enhances the forecast performance significantly. 相似文献
7.
Airbnb has been the subject of heated discussions among tourism and hospitality scholars. In order to understand the true impact of P2Psharing on the tourism and hospitality landscape, it is important to understand that market in detail first. Therefore, in this paper, we explore the development of the Airbnb market over the last seven years in Paris, the most popular destination for Airbnb guests with more than 40,000 accommodation rentals. This research note is a summary of our findings on the Paris market. Our study shows different growth and seasonality patterns for Airbnb and hotels and dissimilarities in the geographical location of the offers. The findings indicate that the two products are not in direct competition and that their relationship might be more complex than previously thought. We trust that exploring the nature of the competitive relationship would be a valuable avenue for further investigation. 相似文献
8.
Ioannis Rizomyliotis Athanasios Poulis Kleopatra Konstantoulaki Apostolos Giovanis 《Business Strategy and the Environment》2021,30(7):3025-3039
Environmental issues are massively emerging in the current agendas of governments, businesses and consumers all over the globe. Consumers increasingly adopt a more energetic role in the environmental discussion and employ product consumption to manifest their contribution to the debate. Equally, a growing number of businesses try to affect positive social change, whereas others strategically approach green opportunities; at the same time, they persistently intensify their branding offerings to sustain loyalty. This article brings into discussion green consumption values as the authors aim to shed light into the way the latter moderate the effect of brand related factors, namely, brand experiences and brand personality, on brand loyalty. Based on data received from 413 participants and using the wearable technologies industry as the focal context, the study underscores the significance of green consumption values. Findings are discussed, and implications for managers are provided. 相似文献
9.
This study investigates the importance of mindfulness‐based organization systems and policies on the organization's continuous efforts to become a greener company. The study is devised as a pooled cross‐sectional time series analysis of productivity in energy consumption, water utilization, and waste generation and recycling of U.S. companies. The data set taken from U.S. Newsweek 500 recorded 600 companies dispersed into 63 industries during the period of 2012–2014 and provided 1,498 company–industry–year observations. The study found that systems and policies (e.g., deployment of third‐party auditors for its environmental metrics report; linkage of the remuneration of company's senior executive team with the achievement of environmental performance targets; and establishment of a committee at the Board of Directors' level whose mandate includes sustainability of the company in environment‐ and resource‐related matters) connect the company's mindfulness to its effort in improving the environmental quality through the company's productivity in energy consumption, water utilization, and waste generation and recycling. The relationships are positive and significant. Also, systems and policies serve as a motivator for the firm to continue to improve upon the current achievements. The study emphasizes the importance of translating organizational and individual mindfulness into organization policies and systems in order to motivate the organization to continuously improve its productivity in energy consumption, water utilization, and waste generation and recycling leading to improvements in environmental quality. 相似文献
10.
从考察企业组织的敏捷性与交易成本的相互关系入手,对企业组织敏捷性的影响因素进行了剖析。详细分析了信息技术(IT)对提高企业组织敏捷性的作用机理。指出IT正是通过降低企业内、外部的交易成本、缩短流程时间、提高人的认识理性、扼制机会主义、促进企业组织结构、决策方式 相似文献