全文获取类型
收费全文 | 28566篇 |
免费 | 447篇 |
国内免费 | 1篇 |
专业分类
财政金融 | 5135篇 |
工业经济 | 1974篇 |
计划管理 | 4201篇 |
经济学 | 6316篇 |
综合类 | 656篇 |
运输经济 | 179篇 |
旅游经济 | 444篇 |
贸易经济 | 4779篇 |
农业经济 | 1254篇 |
经济概况 | 3993篇 |
信息产业经济 | 3篇 |
邮电经济 | 80篇 |
出版年
2021年 | 133篇 |
2020年 | 245篇 |
2019年 | 407篇 |
2018年 | 1065篇 |
2017年 | 1073篇 |
2016年 | 810篇 |
2015年 | 294篇 |
2014年 | 559篇 |
2013年 | 2478篇 |
2012年 | 828篇 |
2011年 | 1326篇 |
2010年 | 1137篇 |
2009年 | 1183篇 |
2008年 | 1136篇 |
2007年 | 1176篇 |
2006年 | 570篇 |
2005年 | 573篇 |
2004年 | 638篇 |
2003年 | 615篇 |
2002年 | 561篇 |
2001年 | 448篇 |
2000年 | 467篇 |
1999年 | 437篇 |
1998年 | 405篇 |
1997年 | 416篇 |
1996年 | 417篇 |
1995年 | 358篇 |
1994年 | 368篇 |
1993年 | 399篇 |
1992年 | 408篇 |
1991年 | 401篇 |
1990年 | 329篇 |
1989年 | 301篇 |
1988年 | 291篇 |
1987年 | 302篇 |
1986年 | 312篇 |
1985年 | 468篇 |
1984年 | 433篇 |
1983年 | 400篇 |
1982年 | 376篇 |
1981年 | 345篇 |
1980年 | 390篇 |
1979年 | 318篇 |
1978年 | 270篇 |
1977年 | 256篇 |
1976年 | 198篇 |
1975年 | 242篇 |
1974年 | 193篇 |
1973年 | 188篇 |
1972年 | 133篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
991.
Economic reforms,efficiency and productivity in Chinese banking 总被引:1,自引:0,他引:1
This paper analyzes the impact of banking reforms on efficiency and total factor productivity (TFP) change in Chinese banking
industry. Using an input distance function, we find that joint-equity banks are more efficient than wholly state-owned banks
(WSOBs). Furthermore, both WSOBs and joint-equity banks are found to be operating slightly below their optimal size, suggesting
potential advantages in expansion of their businesses. Overall, TFP growth was 4.4% per annum for the sample period 1993–2002.
Joint-equity banks experienced much higher growth in TFP (5.5% per annum) compared to the WSOBs (1.4% per annum).
相似文献
992.
We study the optimal timing of adoption of a cleaner technology and its effects on the rate of growth of an economy in the
context of an AK endogenous growth model. We show that the results depend upon the behavior of the marginal utility of environmental
quality with respect to consumption. When it is increasing, we derive the capital level at the optimal timing of adoption.
We show that this capital threshold is independent of the initial conditions on the stock of capital, implying that capital-poor
countries tend to take longer to adopt. Also, country-specific characteristics, as the existence of high barriers to adoption,
may lead to different capital thresholds for different countries. If the marginal utility of environmental quality decreases
with consumption, a country should never delay adoption; the optimal policy is either to adopt immediately or, if adoption
costs are “too high”, to never adopt. The policy implications of these results are discussed in the context of the international
debate surrounding the environmental political agenda.
相似文献
993.
Daniel Friedman Kai Pommerenke Rajan Lukose Garrett Milam Bernardo A. Huberman 《Experimental Economics》2007,10(1):79-104
We seek to isolate in the laboratory factors that encourage and discourage the sunk cost fallacy. Subjects play a computer
game in which they decide whether to keep digging for treasure on an island or to sink a cost (which will turn out to be either
high or low) to move to another island. The research hypothesis is that subjects will stay longer on islands that were more
costly to find. Eleven treatment variables are considered, e.g. alternative visual displays, whether the treasure value of
an island is shown on arrival or discovered by trial and error, and alternative parameters for sunk costs. The data reveal
a surprisingly small sunk cost effect that is generally insensitive to the proposed psychological drivers.
Electronic Supplementary Material Supplementary material is available in the online version of this article at .
Jel Classification C91, D11 相似文献
994.
995.
Manfen W. Chen Rohan Christie-David William T. Moore 《Journal of Regulatory Economics》2007,31(3):289-312
We hypothesize that the firm’s regulatory environment influences the sensitivity of its equity value to information. Using
intraday stock price data of utilities operating in differing regulatory environments we test for systematic differences between
the responsiveness of stock prices of utility firms operating in deregulated and regulated environments to a common information
set. Our findings reveal sharp differences in responses, with those of utilities operating in deregulated environments the
strongest, and the responses of utilities in highly regulated environments the weakest. While the evidence supports our hypothesis,
in a broader sense, the evidence suggests that deregulation aids in the process of price discovery. We also find evidence
that suggests that deregulation, per se, does not lead to higher stock price volatility.
相似文献
996.
Leslie A. Hayduk 《Quality and Quantity》2006,40(4):629-649
Bentler and Raykov (2000, Journal of Applied Psychology 85: 125–131), and Jöreskog (1999a, http://www.ssicentral.com/lisrel/column3.htm, 1999b http://www.ssicentral. com/lisrel/column5.htm) proposed procedures for calculating R 2 for dependent variables involved in loops or possessing correlated errors. This article demonstrates that Bentler and Raykov’s procedure can not be routinely interpreted as a “proportion” of explained variance, while Jöreskog’s reduced-form calculation is unnecessarily restrictive. The new blocked-error-R 2 (beR 2) uses a minimal hypothetical causal intervention to resolve the variance-partitioning ambiguities created by loops and correlated errors. Hayduk (1996) discussed how stabilising feedback models – models capable of counteracting external perturbations – can result in an acceptable error variance which exceeds the variance of the dependent variable to which that error is attached. For variables included within loops, whether stabilising or not, beR 2 provides the same value as Hayduk’s (1996) loop-adjusted-R 2. For variables not involved in loops and not displaying correlated residuals, beR 2 reports the same value as the traditional regression R 2. Thus, beR 2 provides a conceptualisation of the proportion of explained variance that spans both recursive and nonrecursive structural equation models. A procedure for calculating beR 2 in any SEM program is provided. 相似文献
997.
The paper estimates and examines the empirical plausibility of asset pricing models that attempt to explain features of financial markets such as the size of the equity premium and the volatility of the stock market. In one model, the long-run risks (LRR) model of Bansal and Yaron, low-frequency movements, and time-varying uncertainty in aggregate consumption growth are the key channels for understanding asset prices. In another, as typified by Campbell and Cochrane, habit formation, which generates time-varying risk aversion and consequently time variation in risk premia, is the key channel. These models are fitted to data using simulation estimators. Both models are found to fit the data equally well at conventional significance levels, and they can track quite closely a new measure of realized annual volatility. Further, scrutiny using a rich array of diagnostics suggests that the LRR model is preferred. 相似文献
998.
In this paper, we propose an estimator for the population mean when some observations on the study and auxiliary variables
are missing from the sample. The proposed estimator is valid for any unequal probability sampling design, and is based upon
the pseudo empirical likelihood method. The proposed estimator is compared with other estimators in a simulation study. 相似文献
999.
Wesley A. Scroggins 《Employee Responsibilities and Rights Journal》2007,19(4):279-291
The Americans with Disabilities Act of 1990 (ADA) guarantees protection from discrimination for persons with a disability.
The ADA requires employers to make reasonable accommodations for persons with physical and mental disabilities unless doing
so would produce undue hardship on the organization. Fifteen years after the passage of the ADA, the question as to what is
a reasonable accommodation remains controversial, especially for some types of disabilities. In this study, a reasonable accommodation
scale is proposed and tested using structural equation modeling in hopes that such a scale will aid the courts and organizations
in determining what is reasonable. Individuals’ level of awareness of disability issues is also examined in the model to examine
the relationship between awareness and willingness to accommodate. Results indicate acceptable fit of the model to the data
and provide support for the proposed scale. Furthermore, the relationship between awareness of disability issues and willingness
to accommodate was significant. Implications for research and practice are discussed. 相似文献
1000.
This paper has three goals. First, we demonstrate that standard arguments and methods from production and duality analysis
can be used to provide a comprehensive and general treatment of the value of information for a risk-averse firm with expected-utility
(linear-in-probabilities) preferences and a general stochastic technology. Second, we place bounds on the value of information
for a risk-averse firm and relate these bounds to characteristics of the technology and the producer’s preferences. The third
and final goal is to derive the implications that information differences can have for measured efficiency differences and
to relate the bounds on the value of information to those measured differences.
相似文献