全文获取类型
收费全文 | 28050篇 |
免费 | 439篇 |
专业分类
财政金融 | 4957篇 |
工业经济 | 2025篇 |
计划管理 | 4433篇 |
经济学 | 6347篇 |
综合类 | 887篇 |
运输经济 | 148篇 |
旅游经济 | 315篇 |
贸易经济 | 4496篇 |
农业经济 | 1113篇 |
经济概况 | 3672篇 |
信息产业经济 | 3篇 |
邮电经济 | 93篇 |
出版年
2021年 | 118篇 |
2020年 | 241篇 |
2019年 | 355篇 |
2018年 | 1008篇 |
2017年 | 1067篇 |
2016年 | 767篇 |
2015年 | 294篇 |
2014年 | 507篇 |
2013年 | 2285篇 |
2012年 | 709篇 |
2011年 | 1287篇 |
2010年 | 1092篇 |
2009年 | 1108篇 |
2008年 | 1069篇 |
2007年 | 1110篇 |
2006年 | 446篇 |
2005年 | 542篇 |
2004年 | 562篇 |
2003年 | 650篇 |
2002年 | 502篇 |
2001年 | 480篇 |
2000年 | 528篇 |
1999年 | 447篇 |
1998年 | 432篇 |
1997年 | 452篇 |
1996年 | 411篇 |
1995年 | 372篇 |
1994年 | 393篇 |
1993年 | 452篇 |
1992年 | 433篇 |
1991年 | 407篇 |
1990年 | 392篇 |
1989年 | 335篇 |
1988年 | 325篇 |
1987年 | 316篇 |
1986年 | 348篇 |
1985年 | 428篇 |
1984年 | 470篇 |
1983年 | 418篇 |
1982年 | 395篇 |
1981年 | 422篇 |
1980年 | 374篇 |
1979年 | 406篇 |
1978年 | 330篇 |
1977年 | 309篇 |
1976年 | 275篇 |
1975年 | 213篇 |
1974年 | 219篇 |
1973年 | 214篇 |
1972年 | 153篇 |
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
41.
42.
Robert D. Oexman Tami L. Knotts Jeff Koch 《Employee Responsibilities and Rights Journal》2002,14(4):145-157
The evolution of society and economic pressure has provided the impetus for operating on a 24-hr basis in many industries. This has occurred with relatively little attention toward sleep deprivation and related problems facing shift workers and the organizations employing them. This paper first documents the move toward shift work and some sleep problems associated with it. We then describe sleep disorders that impact job performance. Next, we describe alternative schedules and give suggestions for shift work implementation. Finally, we offer some normative advice regarding the treatment of shift employees. 相似文献
43.
44.
Efficient Liability Rules: Complete Characterization 总被引:5,自引:0,他引:5
Received May, 18, 2000; revised version received March, 19, 2001 相似文献
45.
Brian P. Anderson Stephen D. Makar Stephen H. Huffman 《Research in International Business and Finance》2004,18(2):205-216
Recent studies examining the relationship between stock returns and exchange rate changes have provided evidence that the exchange rate exposure of non-financial companies is reduced by the use of foreign exchange derivatives. Building on such research, this study investigates whether past ineffective derivative hedging contributes to explaining future derivatives use. To the extent that companies monitor the effectiveness of their currency risk management practices, past ineffective hedgers can be expected to modify their future use of foreign exchange derivatives accordingly. In our study of 94 non-financial US multinationals, we provide evidence that the change in derivatives use from 1996–1998 to 1998–2000 can be explained in part by the ineffective hedging of currency risk in 1996–1998, controlling for variables associated with theories of optimal hedging. Additional analyses confirm that such primary results are robust to firm size, the level of foreign operations, and the use of derivatives to partially hedge currency risk. Our results imply that as exchange markets and risk management practices change, the use of derivatives to manage exchange rate risk also changes. Our contribution to this field of study is that we find evidence that past ineffective hedgers tend to increase their future use of FXDs. 相似文献
46.
Multilateral Reforms of Trade and Environmental Policy 总被引:1,自引:0,他引:1
The paper analyzes environmental tax policy reform using a competitive model of world trade that includes production‐generated environmental damage (pollution) and trade tariffs. The authors examine the feasibility of Pareto‐improving multilateral reforms of environmental taxes, and show that any environmental tax reform that is mutually welfare‐improving when compensating lump‐sum transfers are assumed is also welfare‐improving when a suitable tariff reform (but no transfers) is combined with the tax changes. Several specific reform proposals are developed. These results expand the feasible set of mutually improving policy proposals for international policy initiatives. 相似文献
47.
48.
49.
50.
above the certainty level while for additive uncertainty the price should be lower than the certainty level. This note gives an intuitive explanation for the result after first presenting a parsimonious review
of the two models. We also discuss which, if either, of the two models is more realistic.
Received December 14, 2001; revised version received July 16, 2002
Published online: April 30, 2003
We thank referees for helpful comments. Ciaran Driver would like to acknowledge the research facilities from ANU, Canberra
for their help in writing this paper. 相似文献