全文获取类型
收费全文 | 1864篇 |
免费 | 59篇 |
专业分类
财政金融 | 443篇 |
工业经济 | 144篇 |
计划管理 | 292篇 |
经济学 | 414篇 |
综合类 | 19篇 |
运输经济 | 19篇 |
旅游经济 | 30篇 |
贸易经济 | 328篇 |
农业经济 | 82篇 |
经济概况 | 152篇 |
出版年
2022年 | 8篇 |
2021年 | 21篇 |
2020年 | 32篇 |
2019年 | 39篇 |
2018年 | 58篇 |
2017年 | 56篇 |
2016年 | 55篇 |
2015年 | 42篇 |
2014年 | 42篇 |
2013年 | 209篇 |
2012年 | 63篇 |
2011年 | 70篇 |
2010年 | 59篇 |
2009年 | 81篇 |
2008年 | 70篇 |
2007年 | 78篇 |
2006年 | 67篇 |
2005年 | 58篇 |
2004年 | 64篇 |
2003年 | 50篇 |
2002年 | 61篇 |
2001年 | 47篇 |
2000年 | 47篇 |
1999年 | 39篇 |
1998年 | 33篇 |
1997年 | 38篇 |
1996年 | 39篇 |
1995年 | 37篇 |
1994年 | 30篇 |
1993年 | 23篇 |
1992年 | 28篇 |
1991年 | 26篇 |
1990年 | 19篇 |
1989年 | 18篇 |
1988年 | 13篇 |
1987年 | 13篇 |
1986年 | 15篇 |
1985年 | 16篇 |
1984年 | 26篇 |
1983年 | 11篇 |
1982年 | 14篇 |
1981年 | 9篇 |
1980年 | 5篇 |
1979年 | 12篇 |
1978年 | 17篇 |
1977年 | 15篇 |
1976年 | 12篇 |
1975年 | 8篇 |
1974年 | 7篇 |
1973年 | 9篇 |
排序方式: 共有1923条查询结果,搜索用时 15 毫秒
991.
Tourists in New Zealand often impact on the natural environments that are the very reason for their visits. It is, therefore, necessary to manage those natural environments to help ensure that tourism is an environmentally sustainable activity. To assist that management process, it is helpful to establish an overarching classification framework so that consistent guidelines and environmental performance standards can be applied. This paper describes a framework for management of the biophysical impacts of tourism using a natural environment classification of the assets visited by tourists. 'Best available information' is then used to develop indicators of environmental change and associated guidelines for management at a range of levels. As a minimum, broad guidelines can be developed for the upper levels of each component of the classification. More detailed and site-specific guidelines are available in some circumstances, where appropriate research has been undertaken. Ongoing evaluation of the combination of indicators and guidelines establishes if the natural attraction is being sustainably managed. The system has been applied to 'scenic icons', wildlife attractions and caves on the West Coast of the South Island. 相似文献
992.
Farm size and the determinants of productive efficiency in the Brazilian Center-West 总被引:8,自引:0,他引:8
This paper explores the determinants of technical efficiency, and the relationship between farm size and efficiency, in the Center-West of Brazil. This is the region where agricultural production and total factor productivity have grown the fastest since 1970. It is also a region characterised by unusually large farms. Technical efficiency is studied with Data Envelopment Analysis and county level data disaggregated by farm size and type of land tenure. The efficiency measure is regressed on a set of explanatory variables which includes farm size, type of land tenure, composition of output, access to institutions and indicators of technology and input usage. The relationship between farm size and efficiency is found to be non-linear, with efficiency first falling and then rising with size. Type of land tenure, access to institutions and markets, and modern inputs are found to be important determinants of the differences in efficiency across farms. 相似文献
993.
Matin Fatemi Parisa Rafiaani Fatemeh Taheri Thomas Dubois Steven Van Passel 《食品市场学杂志》2018,24(2):177-195
Although Iran is one of the top 10 countries in the world that produce tomatoes, the level that they are exported into the global market is low. This issue may have resulted from a major problem within tomatoes’ supply chain management. This paper aims to develop an empirical model of the supply chain management (SCM) of tomato companies. Throughout the reviewed literature, a SCM construct with different six indicators has been developed, including information sharing, long-term relationship, cooperation, quality, flexibility, and delivery. In this study, the influence of the SCM components on tomato export was identified through the use of empirical data that were collected from 20 different tomato companies in Northeast Iran. Using structural equation modeling, the major elements of SCM were found to have significant impacts on the export of tomatoes. The results also showed that information sharing, cooperation, flexibility, quality, and delivery had significant positive effects on the export of tomatoes. 相似文献
994.
A trivariate Tobit system is estimated to investigate the demand for vices (tobacco, alcohol, and gambling) in Malaysia. Estimation
results, segmented by ethnicity, suggest that years of formal education, occupation type, and household head’s age negatively
affect both the likelihood to spend and the overall amounts spent on tobacco by all Malaysians. Additionally, while higher
income Malay households are more likely to spend and have higher tobacco expenditures, affluent Chinese and households of
other races are more likely to spend and to spend more on smoking, drinking and gambling. Male-headed households of all races
are more likely to spend and also spend more on smoking, drinking and gambling than female-led households. 相似文献
995.
Much current risk management and insurance research follows a pattern prescribed by the science paradigm. This article discusses some well-recognized problems associated with the science paradigm, and then presents several alternatives that can supplement the science paradigm, thereby broadening and deepening the scope of risk management and insurance research and education. 相似文献
996.
Housing Tenure Choice in Australia and the United States: Impacts of Alternative Subsidy Policies 总被引:1,自引:0,他引:1
This article compares the homeownership rates of young households in Australia and the United States and evaluates the impacts of the two countries' different approaches to subsidizing homeownership. Since about 1950, Australia's rate of homeownership has consistently been higher than that of the United States. The homeownership rate for young adults is also significantly higher in Australia. While the United States allows mortgage interest and property taxes to be deducted from income for tax purposes, Australia has provided cash subsidies for down payments and mortgage payments. We conclude that differences in housing costs and household characteristics do not explain differences in ownership rates. We also conclude that differences in subsidy policies have only a minor impact on ownership rates. 相似文献
997.
998.
Quasi- and Simulated-Likelihood Approaches to Censored Demand Systems: Food Consumption by Food Stamp Recipients in the United States 总被引:3,自引:0,他引:3
Steven T. Yen Biing-Hwan Lin David M. Smallwood 《American journal of agricultural economics》2003,85(2):458-478
A quasi-maximum-likelihood estimator is proposed and applied to a censored Translog demand system for foods, using a sample of food stamp recipients in the United States. The procedure produces remarkably close parameter and elasticity estimates to those of the simulated-maximum-likelihood procedure. A two-step procedure is also considered but it produces different elasticities. Demands are found to be price elastic for pork and fish but price inelastic for all other food products. Gross complementarity and net substitutability are obvious but these cross-price effects are much less pronounced than own-price and total food expenditure effects. 相似文献
999.
Russell E. Browder Howard E. Aldrich Steven W. Bradley 《Journal of Business Venturing》2019,34(3):459-476
The maker movement has been touted as a harbinger of the next industrial revolution. Through shared access to tools and digital fabrication technologies, makers can act as producers in the sharing economy and potentially increase entrepreneurship rates, catalyze advanced manufacturing, and spur economic development. We develop a model of the maker movement configured around social exchange, technology resources, and knowledge creation and sharing. We highlight opportunities for studying the conditions under which the movement might foster entrepreneurship outcomes and discuss how research on the maker movement can deepen our understanding of entrepreneurial teams and corporate entrepreneurship. 相似文献
1000.
Steffen Frank Zorn Steven Bellman Jennifer A. Robinson Duane Varan 《Journal of Marketing Communications》2016,22(1):3-17
Comparing results from the UK and the USA, this study shows that even subtle cultural differences between two very similar countries can affect new forms of advertising such as interactive television (iTV) commercials. The UK pioneered the mainstream use of iTV advertising, and now it is a mainstream advertising option in the USA on cable networks and online TV networks like Hulu. This study tests whether effective iTV-ad execution factors identified by a previous study of 500 UK iTV campaigns are similarly effective in the USA based on data from 257 iTV campaigns run on the experimental Wink platform between 1998 and 2004. It finds that specific cultural differences make iTV advertising in the USA unique, but also identifies potential globally effective universals for iTV ads. The results of this study allow advertisers to predict the most effective alternative ideas for iTV advertising campaigns run in the USA and potentially in other countries around the world. 相似文献