全文获取类型
收费全文 | 17079篇 |
免费 | 538篇 |
专业分类
财政金融 | 3103篇 |
工业经济 | 1115篇 |
计划管理 | 2873篇 |
经济学 | 4152篇 |
综合类 | 541篇 |
运输经济 | 201篇 |
旅游经济 | 304篇 |
贸易经济 | 2693篇 |
农业经济 | 781篇 |
经济概况 | 1840篇 |
邮电经济 | 14篇 |
出版年
2023年 | 127篇 |
2021年 | 142篇 |
2020年 | 284篇 |
2019年 | 387篇 |
2018年 | 520篇 |
2017年 | 608篇 |
2016年 | 494篇 |
2015年 | 329篇 |
2014年 | 462篇 |
2013年 | 2164篇 |
2012年 | 513篇 |
2011年 | 533篇 |
2010年 | 524篇 |
2009年 | 476篇 |
2008年 | 498篇 |
2007年 | 405篇 |
2006年 | 311篇 |
2005年 | 311篇 |
2004年 | 296篇 |
2003年 | 308篇 |
2002年 | 304篇 |
2001年 | 317篇 |
2000年 | 346篇 |
1999年 | 257篇 |
1998年 | 269篇 |
1997年 | 276篇 |
1996年 | 235篇 |
1995年 | 242篇 |
1994年 | 240篇 |
1993年 | 286篇 |
1992年 | 258篇 |
1991年 | 242篇 |
1990年 | 220篇 |
1989年 | 187篇 |
1988年 | 178篇 |
1987年 | 170篇 |
1986年 | 183篇 |
1985年 | 246篇 |
1984年 | 304篇 |
1983年 | 256篇 |
1982年 | 247篇 |
1981年 | 263篇 |
1980年 | 235篇 |
1979年 | 242篇 |
1978年 | 201篇 |
1977年 | 189篇 |
1976年 | 171篇 |
1975年 | 136篇 |
1974年 | 140篇 |
1973年 | 126篇 |
排序方式: 共有10000条查询结果,搜索用时 28 毫秒
971.
Expected Option Returns 总被引:12,自引:0,他引:12
This paper examines expected option returns in the context of mainstream asset-pricing theory. Under mild assumptions, expected call returns exceed those of the underlying security and increase with the strike price. Likewise, expected put returns are below the risk-free rate and increase with the strike price. S&P index option returns consistently exhibit these characteristics. Under stronger assumptions, expected option returns vary linearly with option betas. However, zero-beta, at-the-money straddle positions produce average losses of approximately three percent per week. This suggests that some additional factor, such as systematic stochastic volatility, is priced in option returns. 相似文献
972.
Michael N. Young David Ahlstrom Garry D. Bruton Eunice S. Chan 《Asia Pacific Journal of Management》2001,18(2):223-244
Since the Asian financial crisis of the late 1990's, there have been numerous calls for the reform of East Asian corporate governance. Without reform, fears abound that the crisis will return. However, a baseline understanding of corporate governance in East Asia needs to be established before reform efforts can begin. In the West, three major functions of boards are commonly recognized: resource dependence, service, and control. These functions have yet to be examined in the context of boards of directors of Overseas Chinese firms in East Asia. In this exploratory study, we examine the extent to which these functions are performed, primarily by outside board members, in Overseas Chinese firms in Hong Kong and Taiwan. We find that the service and control functions are less pronounced for East Asian boards than what would be expected in the West, while the resource dependence function is more pronounced. We also findthat the governance of the region is being moved closer to international practices by a new generation of leaders that have been exposed to Western influences and intense global competition. The implications of our findings for managers, educators, and researchers are discussed. 相似文献
973.
Revenue Sharing and Vertical Control in the Video Rental Industry 总被引:43,自引:0,他引:43
Revenue sharing contracts, in which retailers pay a royalty on sales to their suppliers, are now widely used in the video rental industry. We show that revenue sharing is valuable in vertically separated industries in which demand is either stochastic (unpredictable) or variable (e.g., systematically declining), downstream inventory is chosen before demand is realized and downstream firms engage in intrabrand competition. Unlike two-part tariffs, revenue sharing achieves the first best outcome by softening retail price competition without distorting retailers' inventory decisions. Our theories are also consistent with trends in prices and availability following retailers' adoption of revenue sharing contracts. 相似文献
974.
Taxes and capital structure: evidence from firms' response to the Tax Reform Act of 1986 总被引:7,自引:0,他引:7
While the theoretical relation between taxes and capital structurehas been extensively analyzed, the empirical evidence on thisissue has thus far been inconclusive. One of the main difficultiesconfronting previous empirical studies of the cross-sectionalrelationship between taxes and leverage was the control of interveningvariables. The Tax Reform Act of 1986 (TRA), which drasticallychanged the tax regime, provides a unique opportunity to assessthe interaction between taxes and leverage decisions in a controlledenvironment. We test the relationship between leverage and certaintax-related variables for a large sample of companies in theyears surrounding the enactment of the TRA. The results supportthe tax-based theories of capital structure. The findings indicatethat there exists a substitution effect between debt and nondebttax shields, and that both corporate and personal tax ratesaffect leverage decisions. 相似文献
975.
Throughout the twentieth century governments have been spendingever larger proportions of national income. Three issues arisein discussions about the growth of such spending as it pertainsto developing countries: How does it compare with expenditurein industrial nations? What explains the growth in spendingby developing country governments? And what are the effectson economic growth? Government expenditure as a share of GDPin low- and middle-income countries, on average, is lower thancomparable shares in industrial market economies and, with fewexceptions, is growing. Many factors, including ideology, demographics,a positive income elasticity for public goods, the rising costof public goods relative to private goods, and perhaps developmenttheory and practice, explain this growth. As for the relationshipbetween government expenditure and economic growth, the empiricalevidence does not reveal any strong correlation. The size ofgovernment may engender strong ideological debate, but the positionthat the aggregate level of government expenditure is a significantdeterminant of growth rates receives little support. 相似文献
976.
STEPHEN D. PROWSE 《The Journal of Finance》1992,47(3):1121-1140
I examine the structure of corporate ownership in a sample of Japanese firms in the mid 1980s. Ownership is highly concentrated in Japan, with financial institutions by far the most important large shareholders. Ownership concentration in independent Japanese firms is positively related to the returns from exerting greater control over management. This is not the case in firms that are members of corporate groups (keiretsu). Ownership concentration and the accounting profit rate in both independent and keiretsu firms are unrelated. The results are consistent with the notion that there exist two distinct corporate governance systems in Japan —one among independent firms and the other among firms that are members of keiretsu. 相似文献
977.
We analyze personal open market trades by managers around stock repurchases by tender offer. With the exception of Dutch auction offers, managers trade their firm's shares prior to repurchase announcements as though repurchases convey favorable inside information to outsiders. Prior to fixed price repurchase offers that do not follow takeover-related events, managers increase their buying and reduce their selling of their firm's shares. Prior to repurchases that follow takeover-related events, only a decrease in selling is found. No abnormal trading precedes Dutch auction repurchase offers. 相似文献
978.
Predicting Commercial Mortgage Foreclosure Experience 总被引:5,自引:0,他引:5
Kerry D. Vandell 《Real Estate Economics》1992,20(1):55-88
This study has two objectives: (1) it directly evaluates the relationship between commercial mortgage default incidence and characteristics of the mortgage, borrower, property, market, and general economic conditions, and (2) it uses this relationship to predict the exposure of life insurers to future mortgage defaults and to examine the relative importance of various causes of current and past credit quality problems. A theoretical model of the default decision predicts that the decision would be expected to be driven primarily by the borrower's current equity stake in the property, or the ratio of the market value of the loan to property value (Mt /Vt ), but that the presence and magnitude of transaction costs associated with default would be expected to result in underexercise of the default option. Empirical estimation making use of American Council of Life Insurance (ACLI) and National Council of Real Estate Investment Fiduciaries (NCREIF) data confirms both expectations. A high proportion of the longitudinal variation in foreclosure incidence is explained by variations in Mt /Vt , but even at high ratios Mt /Vt in excess of 1.1. only 5% to 8% of mortgagors default, although this magnitude of underexercise is probably overstated because of problems in measuring Mt and for other reasons. Simulations using the model provide a pessimistic outlook for future defaults. Default rates are predicted to double in the five-year period 1988–93. Other simulations examine the relative importance of interest rate fluctuations, property value declines, and geographic or temporal correlations in lending during the 1976–88 period on current default experience. 相似文献
979.
Hair JD 《Fund raising management》1999,30(8):16-18
One advantage of having an online shopping village attached to your not-for-profit organization's Web site is it gets supporters used to contributing online. If a consumer is willing to purchase over the Web, it's only a short leap to putting donations more directly to work for a favorite cause. 相似文献
980.
A number of studies have used the Capital Asset Pricing Model (CAPM) to integrate product market and financial theories of the firm. We reexamine the relationship between product market structure and systematic risk at the firm and industry level. We show that theory yields no testable implications at the firm level. We show, however, that there is a relationship between the intraindustry dispersion of systematic risk and industry concentration which depends on the causes and consequences of concentration. Estimates of the relationship between the intraindustry variance of and concentration for a 1987 cross-section of U.S. industries suggest that concentration allows larger firms to exercise market power. 相似文献