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31.
Eugene Jones 《食品市场学杂志》2016,22(3):350-380
An econometric model is developed and estimated for all brands of coffee sold at the retail level in four supermarkets in Columbus, Ohio. These brands are segmented into 24 categories, and the four stores are classified into two groups, inner-city and suburban, based on 2010 census tract data. Using estimated measures of price-sensitivity, these 24 categories are further segmented into four groups to help guide and clarify the discussion. Estimated results show different purchasing patterns and different levels of price-sensitivity for inner-city and suburban shoppers. Further, these purchasing patterns and levels of price-sensitivity suggest alternative marketing strategies for retailers. Private-label coffee brands are shown to be quite competitive with many national brands, and indeed private-label brands command a market share among inner-city shoppers that is more than double that for the nation (21.95% vs. 9%). 相似文献
32.
Invasive animal pests reduce crop and livestock output, require management and control measures, and threaten native plants,
animals and their habitat. The agricultural and management costs are often directly measurable. But the costs to protect threatened
native plants and animals are harder to assess. The Rural Lands Protection Boards were the government agency in New South
Wales that managed invasive animals. An analysis of their decisions provided the opportunity to estimate the costs of protecting
native species. The number of native plants and animals threatened by invasive pests was modelled against the expenditure,
area, pest abundance, climate and location of 38 Board districts. There was a strong negative relationship between the number
of threatened native species and Board expenditure. This relationship was interpreted to estimate the marginal cost of protecting
a threatened native species, the downward shift in the supply curve necessary to protect all threatened native species, and
the gains from the shift in the form of cost savings in the continued protection of non-threatened native species. These results
value some of the costs that invasive animal pests impose on the environment. 相似文献
33.
Charter value is important in the banking industry because of its ability to reduce the moral hazard incentives that result from government-provided deposit insurance. Previous research suggests that geographic deregulation in the 1970s and 1980s increased competition and eroded charter values. Yet, a common proxy for charter value, Tobin's Q, increased significantly in the 1990s and beyond even as bank deregulation continued. We show that Tobin's Q is a poor cardinal measure of charter value though it still has merit as an ordinal measure. Our findings suggest that charter value has been declining through time, contributing to the increase in risk-taking that led to the subprime financial crisis. 相似文献
34.
On-line supervision exhibits in many respects properties complementary to those of established off-line safety tests. Thus, on-line methods are powerful tools for increasing the safety of chemical processes, especially in situations where unexpected hazards could occur. Known on-line supervising methods are described and their advantage and disadvantages are briefly discussed. The abilities of various on-line methods are demonstrated on a real case. 相似文献
35.
Christopher D. Jones Steven J. Hollenhorst Frank Perna 《Leisure Sciences: An Interdisciplinary Journal》2013,35(1):17-31
The objective of this study was to conduct empirical comparisons between two models of optimal experience within an on-site whitewater kayaking setting using a modification of the Experience Sampling Method. Four concerns are examined: (1) differences in explanatory power between the four channel flow model and the Adventure Experience Paradigm, (2) convergent validity among measures used to determine conditions within these models, (3) differences among measures of perceived challenge and risk between test times of Class I-V river difficulty, and (4) differences among measures of perceived skill and competence between test times of Class I-V river difficulty. Questionnaires were administered in the Cheat River Canyon in West Virginia to 52 whitewater kayakers at eight sites of various levels of river difficulty. Data were analyzed at the experience level, rather than between subjects, using 409 experience sampling observations. Hypothesis testing, performed with statistical analyses (stepwise regression, correlations, and repeated measures ANOVA), suggested that the explanatory powers of the four channel flow model and Adventure Experience Paradigm were similar and indicated support for convergent and ecological validity of measures used to determine conditions within each of the two models. 相似文献
36.
37.
The case for promoting export‐oriented cash crops in Africa has generally been based on their direct potential contribution to agricultural productivity and small farmer incomes. A relatively neglected avenue of research concerns the synergistic effects that cash cropping can have on other household activities, including food production. The conventional view that cash crops compete with food crops for land and labour neglects the potential for cash crop schemes to make available inputs on credit, management training, and other resources that can contribute to food crop productivity, which might otherwise not be accessible to farmers if they did not participate in cash crop programs. This article builds on previous research by hypothesising key pathways by which cash crops may affect food crop activities and empirically measuring these effects using the case of cotton in Gokwe North District in Zimbabwe. Analysis is based on instrumental variable analysis of survey data on 430 rural households in 1996. Results indicate that—after controlling for household assets, education and locational differences—households engaging intensively in cotton production obtain higher grain yields than non‐cotton and marginal cotton producers. We also find evidence of regional spill‐over effects whereby commercialisation schemes induce second round investments in a particular area that provide benefits to all farmers in that region, regardless of whether they engage in that commercialisation scheme. The study suggests that the potential spill‐over benefits for food crops through participation in cash crop programs are important to consider in the development of strategies designed to intensify African food crop production. 相似文献
38.
Yolanda Fernandez Jenny Ziviani Monica Cuskelly Rachael Colquhoun Fiona Jones 《Leisure Sciences: An Interdisciplinary Journal》2018,40(3):110-130
Children with developmental disabilities participate in more solitary, sedentary, and home-based leisure activities than active physical pursuits or community-based activities. Clinical experience suggests that children with less well-recognized developmental difficulties also have compromised leisure experiences; however, this has not been fully investigated. This study engaged 20 school-age children with developmental difficulties in a community-based circus program, designed in collaboration with occupational therapists. The program included activities such as trampolining, trapeze, and acrobatics. Semi-structured interviews with children and parents explored children's leisure experiences both at circus and more broadly. Qualitative content analysis revealed that friendships, having fun, and being physically active were highly valued aspects of leisure. The coaching style and “just right” level of challenge within programs were identified as central to children's engagement and sense of competence. Participating in a supported leisure program such as circus appeared to promote children's engagement in community leisure, at least in the short term. 相似文献
39.
Julie Carlson Ginger Zhe Jin Matthew Jones Jason O’Connor Nathan Wilson 《Review of Industrial Organization》2017,50(4):487-507
In 2015, the Federal Communications Commission (FCC) imposed common carriage regulation—so-called Title II requirements—on previously unregulated broadband Internet service providers. The regime shift was premised on the FCC’s findings that such rules had demonstrably yielded economic gains. This paper evaluates the FCC’s empirical arguments and finds them uncompelling. Adjustments for inflation or general economic trends eliminate the effects cited by the FCC. Moreover, contrary to the Commission’s assessment, mobile services and broadband markets have shown notable growth in response to deregulatory events that reduce Title II requirements. 相似文献
40.
Colin Jones Neil Dunse Nicola Livingstone Kevin Cutsforth 《Journal of Property Research》2017,34(2):129-146
Real estate investment portfolios of financial institutions have seen dramatic changes over the last three decades or more. Historically such property investment decisions have been seen within a portfolio diversification paradigm that has sought to balance risk and return. This paper considers the role of the supply of assets in the determining and constraining the UK institutional portfolio. The supply of real estate assets not only expands during property booms but has also been transformed by a long term urban development cycle as cities adapt to cars and the ICT revolution that has brought new property forms. The research examines long term trends in investment change by disaggregating into ten property forms rather than the usual three land use sectors. It then assesses to what extent investment patterns can be explained in terms of portfolio theory, short term net returns of individual sectors or driven by the supply of real estate assets. It concludes that the supply of real assets is an overlooked explanation. 相似文献