全文获取类型
收费全文 | 3626篇 |
免费 | 124篇 |
国内免费 | 1篇 |
专业分类
财政金融 | 439篇 |
工业经济 | 236篇 |
计划管理 | 597篇 |
经济学 | 858篇 |
综合类 | 20篇 |
运输经济 | 50篇 |
旅游经济 | 51篇 |
贸易经济 | 762篇 |
农业经济 | 113篇 |
经济概况 | 621篇 |
邮电经济 | 4篇 |
出版年
2023年 | 36篇 |
2022年 | 28篇 |
2021年 | 41篇 |
2020年 | 77篇 |
2019年 | 122篇 |
2018年 | 147篇 |
2017年 | 182篇 |
2016年 | 174篇 |
2015年 | 89篇 |
2014年 | 131篇 |
2013年 | 402篇 |
2012年 | 192篇 |
2011年 | 200篇 |
2010年 | 131篇 |
2009年 | 138篇 |
2008年 | 127篇 |
2007年 | 99篇 |
2006年 | 91篇 |
2005年 | 134篇 |
2004年 | 122篇 |
2003年 | 89篇 |
2002年 | 55篇 |
2001年 | 48篇 |
2000年 | 46篇 |
1999年 | 55篇 |
1998年 | 33篇 |
1997年 | 28篇 |
1996年 | 31篇 |
1995年 | 31篇 |
1994年 | 30篇 |
1993年 | 22篇 |
1992年 | 24篇 |
1991年 | 21篇 |
1990年 | 22篇 |
1989年 | 21篇 |
1988年 | 21篇 |
1987年 | 21篇 |
1986年 | 17篇 |
1985年 | 19篇 |
1984年 | 17篇 |
1982年 | 17篇 |
1981年 | 17篇 |
1980年 | 21篇 |
1979年 | 11篇 |
1978年 | 15篇 |
1977年 | 10篇 |
1975年 | 10篇 |
1969年 | 11篇 |
1965年 | 9篇 |
1942年 | 10篇 |
排序方式: 共有3751条查询结果,搜索用时 15 毫秒
991.
Rapid growth of U.S. dairy exports to Mexico began even before the 1994 North American Free Trade Agreement (NAFTA) and has been fueled by rapid population increases coupled with an expanding Mexican economy. This study uses a nonlinear approximate almost ideal demand system (NLAIDS) to estimate own and cross-price elasticities in the Mexican cheese import market to better understand market behavior and to assess the comparative position of the UnitedStates relative to other cheese market participants. Results of this study imply that attributes of cheese play a strong role in the composition of Mexican cheese import market. 相似文献
992.
The large decline in cooperation in surveys experienced in the first decade of the twenty first century has placed representative surveys in a veritable quagmire, although numerous researchers have shown that the decline in the total nonresponse has been much higher in administered surveys (face-to-face and telephone) than in self-administered (mail and web surveys). The move from the “traditional” mail survey to the internet survey has brought important changes, but, at the same time, new challenges have arisen related to the lower coverage and the reduced visibility, the need for certain skills to fill out a questionnaire, changes in response rates, etc. This is a self-administered survey that informs the addressees by mail that they have been selected to participate in a research survey to which they can respond either by using the paper questionnaire (in the letter there is a prepaid envelope), by means of a web questionnaire (accessing a link and using a password), or by telephone (the respondent provided a contact time telephone number via a prepaid envelope or by calling an answering machine). The respondents themselves, therefore, choose the mode of response. An analysis of the responses achieved by each modality shows that the majority of the questionnaires were received by ordinary mail (83.6 %), 359 by internet (14.4 %), and 51 were answered by telephone (2.0 %). 相似文献
993.
Leandro Prados de la Escosura 《Cliometrica》2016,10(3):251-275
Comparisons of economic performance over space and time largely depend on how statistical evidence from national accounts and historical estimates are spliced. To allow for changes in relative prices, GDP benchmark years in national accounts are periodically replaced with new and more recent ones. Thus, a homogeneous long-run GDP series requires linking different temporal segments of national accounts. The choice of the splicing procedure may result in substantial differences in GDP levels and growth, particularly as an economy undergoes deep structural transformation. An inadequate splicing may seriously bias the measurement of GDP levels and growth rates. Alternative splicing solutions are discussed in this paper for the particular case of Spain, a fast-growing country in the second half of the twentieth century. It is concluded that the usual linking procedure, retropolation, is seriously flawed as it tends to bias GDP levels upwards and, consequently, to underestimate growth rates, especially for developing countries experiencing structural change. An alternative interpolation procedure is proposed. 相似文献
994.
995.
996.
Alessandro V.M. Oliveira Cristian Huse 《Transportation Research Part E: Logistics and Transportation Review》2009,45(2):307-320
This paper empirically investigates price reactions to the entry of the low-cost carrier Gol Airlines in the Brazilian domestic market in 2001. Given the substantial reduction in unconditional yields of the incumbent airlines on routes actually entered by Gol, we perform an econometric analysis of the determinants of pricing power along with the analysis of the pattern of price reactions by incumbent legacy carriers. Using data from a panel of routes disaggregated at the airline level, we obtain that (i) both airport and route presence are relevant at explaining pricing behavior; (ii) price responses vary significantly according to flight distance and the amount of seats supplied by the entrant, in the sense that the shorter the route, and the more the seats offered by the newcomer, the stronger the price reactions from the incumbents, with significant point estimates in the range 22–26% in yield reduction for routes as short as 350 km (approx. 195 miles). More generally, the results shed light on the impacts of airline deregulation in emerging markets and the issue of localized competitive advantage due to product differentiation in the industry. 相似文献
997.
Reinaldo Lourival Silvia Morales de Queiroz Caleman Ana Raquel Ribeiro 《Ecological Economics》2008,67(1):20-31
Biodiversity policies are suffering an implementation crisis; the roots are deeply entrenched in the unfair competition between the public and private interests for suitable versus available land. In this article we propose a value-based equivalence method for compensation for the 20% compulsory reserves in the Taquari River sub-catchments, as legally required for central savannas of Brazil. Using regression techniques we analyzed 106 land deals in the Pantanal's watershed and identified the most significant variables influencing land value. We argue that the commonly used area-for-area, compensation mechanism, where 1 ha of compulsory reserve is missing, requires another hectare protected in the same catchments, instead of counteract habitat loss, is in fact harmful to biodiversity, stimulating progressive habitat destruction. We identified the economic forces behind deforestation and habitat fragmentation in the central savannahs of Brazil and proposed a market-based approach to counteract these forces using tools already available in environmental economics. We suggest that a dollar-for-dollar reference to determine land equivalence and compensation can better counter-balance the incremental losses from habitat destruction, while providing objectivity and transparency for trading alternatives. 相似文献
998.
Emergent practices of reform-oriented shareholder engagement are characterised as a professional social movement which gains credibility by influencing the institutional networks imbricating investors. The limitations of structuralist and atomistic tendencies in social movement analysis are resolved with an inductive, dialectical approach which is used to illustrate two cases of internal attempts to change investment policy at pension funds. Linkages are identified between organizational responses to pressure for change, and mobilization strategies of embedded proponents of change. The paper urges the involvement of governing boards in vehicles that promulgate reformist engagement, and identifies institutional networks as warranting greater regulatory attention. 相似文献
999.
1000.