全文获取类型
收费全文 | 8243篇 |
免费 | 308篇 |
专业分类
财政金融 | 1733篇 |
工业经济 | 712篇 |
计划管理 | 1332篇 |
经济学 | 1753篇 |
综合类 | 111篇 |
运输经济 | 94篇 |
旅游经济 | 162篇 |
贸易经济 | 1754篇 |
农业经济 | 244篇 |
经济概况 | 584篇 |
信息产业经济 | 4篇 |
邮电经济 | 68篇 |
出版年
2023年 | 58篇 |
2022年 | 47篇 |
2021年 | 81篇 |
2020年 | 120篇 |
2019年 | 197篇 |
2018年 | 219篇 |
2017年 | 245篇 |
2016年 | 212篇 |
2015年 | 176篇 |
2014年 | 276篇 |
2013年 | 951篇 |
2012年 | 313篇 |
2011年 | 356篇 |
2010年 | 323篇 |
2009年 | 364篇 |
2008年 | 325篇 |
2007年 | 277篇 |
2006年 | 255篇 |
2005年 | 284篇 |
2004年 | 235篇 |
2003年 | 241篇 |
2002年 | 234篇 |
2001年 | 194篇 |
2000年 | 173篇 |
1999年 | 175篇 |
1998年 | 142篇 |
1997年 | 155篇 |
1996年 | 125篇 |
1995年 | 118篇 |
1994年 | 125篇 |
1993年 | 116篇 |
1992年 | 109篇 |
1991年 | 96篇 |
1990年 | 65篇 |
1989年 | 74篇 |
1988年 | 68篇 |
1987年 | 67篇 |
1986年 | 68篇 |
1985年 | 112篇 |
1984年 | 89篇 |
1983年 | 81篇 |
1982年 | 89篇 |
1981年 | 64篇 |
1980年 | 74篇 |
1979年 | 66篇 |
1978年 | 58篇 |
1977年 | 60篇 |
1976年 | 55篇 |
1974年 | 31篇 |
1973年 | 20篇 |
排序方式: 共有8551条查询结果,搜索用时 31 毫秒
71.
The Chicago Board Options Exchange concurrently listed European‐style and American‐style options on the Standard and Poor's 500 Index from April 2, 1986 through June 20, 1986. This unique time period allows for a direct measurement of the early exercise premium in American‐style index options. In this study, using ask quotes, we find average early exercise premiums ranging from 5.04 to 5.90% for calls, and from 7.97 to 10.86% for puts. Additionally, we are able to depict a potentially useful functional form of the early exercise premium. As in previous studies, we find some instances of negative early exercise premiums. However, a trading simulation shows that traders must be able to trade within the bid–ask spread to profit from these apparent arbitrage opportunities. © 2003 Wiley Periodicals, Inc. Jrl Fut Mark 23:287–313, 2003 相似文献
72.
This study attempts to infuse relationship marketing theory into the study of logistics outsourcing relationships. In particular, the study demonstrates that not all of the partnerships between customers and providers of third‐party logistics services are the same in terms of their level of development. The existence of distinct levels of partnership established previously in the logistics literature is partially supported and a relationship between level of partnership development and the customer perceptions of key relationship marketing elements and outcomes is established. While exploratory in nature, these findings suggest there are benefits for the increased costs of developing closer partnerships. 相似文献
73.
74.
75.
76.
Michael Muller 《英国劳资关系杂志》1997,35(4):609-626
This paper examines whether there has been a transformation towards company-specific and unitarist industrial relations in Germany. On the basis of 25 case studies of employment practices in German and foreign-owned banks and chemical firms as well as industry data, the research found that the German system has so far remained relatively stable. Companies in the two industries studied generally still comply with the labour market institutions of multi-employer collective bargaining, workplace representation and initial vocational training. Pressures have been accommodated by changes within the system rather than by a radical change of the system. 相似文献
77.
Michael Kevane 《Land use policy》1997,14(4):295-310
This paper reports on aspects of land tenure in western Sudan, especially the nature of tenure insecurity and the functioning of the land rental market. The active land rental market accounted for about one-third of cultivated land. Patterns of land rental transactions, and tests of the importance of insecurity in renting land, where the owner may not be able to reclaim land rented out, do not support the presumption that rental markets perform poorly. The role of the sheikh as administrator of village land, and the claims of large landowners to vast tracts, are, however, important political problems that must be resolved before attempts at ‘rationalizing’ land tenure. 相似文献
78.
Abstract: The dwindling nature of overseas development assistance in the early part of the 1990s called for the establishment of capital markets in some African countries, including Ghana, with the view to increasing foreign direct investments and achieving sustainable inflows, growth and development. One important factor which affects the determination of prices and the growth of capital markets is macroeconomic risk which is quite high in developing countries. Following works done on advanced stock markets, this study seeks to investigate the impact of six macroeconomic risk factors on asset pricing in the various industrial classification — financial, manufacturing, food and beverages, distribution and mining under the Ghana Stock Exchange (GSE) for the period January 1997 to December 2002. Using the arbitrage pricing methodology developed by Ross (1976) and Chen et al. (1986) , the study revealed that investors in Ghana considered three main macroeconomic risk factors — short‐term interest rate risk, inflation risk and the term structure of the country's interest rate in the determination of the various industrial asset prices during the period under consideration. Analysis of the risks and returns profile of the industries also shows that financial assets made the best gains on the market. Both general and specific policy recommendations aimed at improving the performance of the GSE are explored. 相似文献
79.
Michael Schröder 《Financial Markets and Portfolio Management》2004,18(2):122-142
80.
Michael Hubbard 《Food Policy》1995,20(6)
This paper outlines the conditions under which contracting of different types succeeds in the provision of public services to agriculture. It observes that performance contracting has been widely attempted in adjusting countries but generally with little success, since it is demanding of resources, flexibility and motivation in government under conditions where these are scarce. Examples are drawn from agricultural marketing. Given the largely private nature of the services to agriculture currently provided by the state, the long-term reform strategy should be market development. Contracting out and management contracting may have a role in this strategy, particularly in better managed adjusting economies. 相似文献