全文获取类型
收费全文 | 17257篇 |
免费 | 307篇 |
专业分类
财政金融 | 3310篇 |
工业经济 | 1469篇 |
计划管理 | 2645篇 |
经济学 | 3768篇 |
综合类 | 246篇 |
运输经济 | 105篇 |
旅游经济 | 235篇 |
贸易经济 | 2660篇 |
农业经济 | 898篇 |
经济概况 | 2214篇 |
信息产业经济 | 2篇 |
邮电经济 | 12篇 |
出版年
2020年 | 151篇 |
2019年 | 215篇 |
2018年 | 275篇 |
2017年 | 278篇 |
2016年 | 252篇 |
2015年 | 180篇 |
2014年 | 266篇 |
2013年 | 1794篇 |
2012年 | 392篇 |
2011年 | 427篇 |
2010年 | 376篇 |
2009年 | 468篇 |
2008年 | 446篇 |
2007年 | 386篇 |
2006年 | 372篇 |
2005年 | 394篇 |
2004年 | 331篇 |
2003年 | 379篇 |
2002年 | 331篇 |
2001年 | 343篇 |
2000年 | 326篇 |
1999年 | 341篇 |
1998年 | 314篇 |
1997年 | 324篇 |
1996年 | 341篇 |
1995年 | 309篇 |
1994年 | 314篇 |
1993年 | 260篇 |
1992年 | 308篇 |
1991年 | 309篇 |
1990年 | 277篇 |
1989年 | 231篇 |
1988年 | 220篇 |
1987年 | 205篇 |
1986年 | 257篇 |
1985年 | 361篇 |
1984年 | 342篇 |
1983年 | 328篇 |
1982年 | 324篇 |
1981年 | 321篇 |
1980年 | 277篇 |
1979年 | 287篇 |
1978年 | 263篇 |
1977年 | 226篇 |
1976年 | 196篇 |
1975年 | 186篇 |
1974年 | 171篇 |
1973年 | 139篇 |
1972年 | 120篇 |
1971年 | 115篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
991.
992.
We critically review the literature that claims that existence values, or nonuse values in general, are a large and measurable component of total value for certain environmental resources. Our concern is not with the question “do nonuse values exist?” For some individuals they surely do. Rather, our concern is with two interrelated questions: are there operationally meaningful theorems which might lead to the specific measurement of nonuse values, and do we in fact have a body of credible evidence which shows that nonuse values, particularly components of any nonuse value, are “large”? We find nothing in the way of operationally meaningful hypotheses which would permit the estimation of values attributable to specific motives of individuals. We find no credible basis for claims related to either the measurement of existence and other motive-related values or claims for the “large” relative size of such values. In short, we question the conventional wisdom that such values are measurable and that they are significant as a component of total value. 相似文献
993.
994.
We present a model of shadow banking in which banks originate and trade loans, assemble them into diversified portfolios, and finance these portfolios externally with riskless debt. In this model: outside investor wealth drives the demand for riskless debt and indirectly for securitization, bank assets and leverage move together, banks become interconnected through markets, and banks increase their exposure to systematic risk as they reduce idiosyncratic risk through diversification. The shadow banking system is stable and welfare improving under rational expectations, but vulnerable to crises and liquidity dry‐ups when investors neglect tail risks. 相似文献
995.
This article addresses the continued need for the behavior change process that must be managed long after materiel requirements planning (MRP II) implementation. Mason & Hanger, Pantex Plant is the final assembly and dismantlement facility for all United States nuclear weapons. On October 1, 1990, Mason & Hanger implemented a full production cutover to MRP II. One year later, following class A certification, the MRP II implementation team is still actively managing the change process through education and training programs and overall continuous improvement initiatives. Actual behavior change problems are identified together with the proven solutions implemented in a government-owned, contractor-operated facility environment. Performance measurements ranging from senior management planning to shop floor accomplishments and cost variance reports are shown as normal management tools used to identify target improvement areas. 相似文献
996.
The 2007–2009 financial crisis that evolved from various factors including the housing boom, aggressive lending activity, financial innovation, and increased access to money and capital markets prompted unprecedented U.S. government intervention in the financial sector. We examine changes in banks’ balance sheet composition associated with U.S. government intervention during the crisis. We find that the initial round of quantitative easing positively impacts bank liquidity across all bank samples. Our results show a positive impact of repurchase agreement market rates on bank liquidity for small and medium banks. We conclude that banks have become more liquid in the post-crisis period, especially the larger banks (large and money center banks). We show that real estate loan portfolio exposures have reverted to pre-crisis levels for money center banks and remained flat for all other bank samples. 相似文献
997.
It is well known that many of the manufacturing practices advanced in Japan in the 1970s and 1980s emphasize bottom-up decision processes characterized by teams, the empowerment of multi-skilled workers on the shopfloor, demand-pull and horizontal decision mechanisms. These practices include Just-in-Time (JIT) and quality management practices such as quality circles (QC) and total quality management (TQM). While these practices continue to be effective under appropriate circumstances, the drastic appreciation of the Japanese yen that has taken place since the mid-1980s and the prolonged recession following the burst of the bubble have forced many Japanese manufacturers to adopt new methods to improve their production efficiency. In this paper we discuss one of such methods called Total Productivity Management (TPM). Unlike JIT or TQM, implementing TPM requires a top-down approach. TPM provides direct connections between corporate-wide objectives such as the overall cost reduction and shopfloor practices. It is possible that TPM has contributed significantly to Japanese manufacturers' recent success in reducing their cost of operation. © 1997 John Wiley & Sons, Ltd. 相似文献
998.
999.
How anticipated employee mobility affects acquisition likelihood: Evidence from a natural experiment 下载免费PDF全文
This study draws on strategic factor market theory and argues that acquirers' decisions regarding whether to bid for a firm reflect their expectations about employee departure from the firm post‐acquisition, suggesting a negative relationship between the anticipated employee departure from a firm and the likelihood of the firm becoming an acquisition target. Using a natural experiment and a difference‐in‐differences approach, we find causal evidence that constraints on employee mobility raise the likelihood of a firm becoming an acquisition target. The causal effect is stronger when a firm employs more knowledge workers in its workforce and when it faces greater in‐state competition; by contrast, the effect is weaker when a firm is protected by a stronger intellectual property regime that mitigates the consequences of employee mobility. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
1000.