全文获取类型
收费全文 | 2737篇 |
免费 | 94篇 |
专业分类
财政金融 | 490篇 |
工业经济 | 167篇 |
计划管理 | 506篇 |
经济学 | 633篇 |
综合类 | 17篇 |
运输经济 | 22篇 |
旅游经济 | 43篇 |
贸易经济 | 520篇 |
农业经济 | 147篇 |
经济概况 | 245篇 |
邮电经济 | 41篇 |
出版年
2021年 | 22篇 |
2020年 | 46篇 |
2019年 | 41篇 |
2018年 | 48篇 |
2017年 | 67篇 |
2016年 | 79篇 |
2015年 | 43篇 |
2014年 | 74篇 |
2013年 | 358篇 |
2012年 | 98篇 |
2011年 | 100篇 |
2010年 | 83篇 |
2009年 | 108篇 |
2008年 | 99篇 |
2007年 | 95篇 |
2006年 | 83篇 |
2005年 | 73篇 |
2004年 | 85篇 |
2003年 | 91篇 |
2002年 | 89篇 |
2001年 | 57篇 |
2000年 | 46篇 |
1999年 | 58篇 |
1998年 | 53篇 |
1997年 | 50篇 |
1996年 | 54篇 |
1995年 | 31篇 |
1994年 | 27篇 |
1993年 | 33篇 |
1992年 | 26篇 |
1991年 | 19篇 |
1990年 | 22篇 |
1989年 | 23篇 |
1988年 | 30篇 |
1987年 | 32篇 |
1986年 | 31篇 |
1985年 | 46篇 |
1984年 | 40篇 |
1983年 | 35篇 |
1982年 | 27篇 |
1981年 | 24篇 |
1980年 | 22篇 |
1979年 | 24篇 |
1978年 | 27篇 |
1977年 | 21篇 |
1976年 | 17篇 |
1975年 | 17篇 |
1974年 | 17篇 |
1973年 | 12篇 |
1972年 | 15篇 |
排序方式: 共有2831条查询结果,搜索用时 609 毫秒
21.
Estimating the Size of a Criminal Population from Police Records Using the Truncated Poisson Regression Model 总被引:1,自引:0,他引:1
Peter G.M. van der Heijden Maarten Cruyff Hans C. van Houwelingen 《Statistica Neerlandica》2003,57(3):289-304
The truncated Poisson regression model is used to arrive at point and interval estimates of the size of two offender populations, i.e. drunk drivers and persons who illegally possess firearms. The dependent capture–recapture variables are constructed from Dutch police records and are counts of individual arrests for both violations. The population size estimates are derived assuming that each count is a realization of a Poisson distribution, and that the Poisson parameters are related to covariates through the truncated Poisson regression model. These assumptions are discussed in detail, and the tenability of the second assumption is assessed by evaluating the marginal residuals and performing tests on overdispersion. For the firearms example, the second assumption seems to hold well, but for the drunk drivers example there is some overdispersion. It is concluded that the method is useful, provided it is used with care. 相似文献
22.
Hans‐Martin Krolzig 《Oxford bulletin of economics and statistics》2003,65(Z1):769-801
Structural vector autoregressive (SVAR) models have emerged as a dominant research strategy in empirical macroeconomics, but suffer from the large number of parameters employed and the resulting estimation uncertainty associated with their impulse responses. In this paper, we propose general‐to‐specific (Gets) model selection procedures to overcome these limitations. It is shown that single‐equation procedures are generally efficient for the reduction of recursive SVAR models. The small‐sample properties of the proposed reduction procedure (as implemented using PcGets) are evaluated in a realistic Monte Carlo experiment. The impulse responses generated by the selected SVAR are found to be more precise and accurate than those of the unrestricted VAR. The proposed reduction strategy is then applied to the US monetary system considered by Christiano, Eichenbaum and Evans (Review of Economics and Statistics, Vol. 78, pp. 16–34, 1996) . The results are consistent with the Monte Carlo and question the validity of the impulse responses generated by the full system. 相似文献
23.
Extant work on costs of financial instability focuses on fiscal costs and declines in aggregate GDP following banking crises. We estimate effects of banking and currency crises on consumption in 19 OECD countries, showing consumption plays an important role in the adjustment following a crisis, and effects are not captured solely by the impact of crises on standard consumption determinants, income and wealth. Additional effects, attributable to factors such as time-varying confidence, uncertainty and credit rationing, are aggravated by high and rising leverage, despite financial liberalisation easing liquidity constraints. High leverage implies that banking crises taking place now could have greater incidence than in the past. 相似文献
24.
25.
Philip B. Thompson 《Contemporary economic policy》2002,20(1):50-59
Arguments about the existence of the so-called energy efficiency gap are typically based on evaluations of efficiency measures as investments whose end result is to reduce the cost of providing a given level of energy services. This article demonstrates that the investment approach tends to undervalue energy efficiency improvements because it omits the increase in utility that results from the consumer's substitution of energy services for other goods. The substitution occurs because the efficiency measure reduces the marginal cost (implicit price) of energy services. Sample calculations based on a Cobb-Douglas utility function are used to illustrate the potential size of the undervaluation of efficiency investments. 相似文献
26.
27.
This paper provides a macroeconomic perspective for governmentinterventions in banking crisis. Such crisis occur when a largenumber of banks fail to meet capital requirements or are insolvent.Using a macroeconomic model with financial intermediation, ouranalyis suggests that strict enforcement of capital-adequaterules suffices in prosperous periods. Capital requirements serveas an indicator for crises interventions in critical stateswhich may require interest rate intervention and restructuringof the banking industry. These policies can be reinforced byrandom bailouts and temporary financial relief, with a largepercentage of the costs being covered by current and futureowners of banks. (JEL D41, E4, G2) 相似文献
28.
Unlike the traditional futures contract risk‐based approach to margining, new security futures contracts are margined under a strategy‐based margining system similar to that which applies in the equity options markets. As a result, these new margin requirements are potentially much less sensitive to changes in market conditions. This article performs a simulation to evaluate whether these alternative margining methodologies can be expected to produce comparable outcomes. The analysis suggests that a 1‐day settlement period will likely lead to collection of customer margins that are virtually always greater than that which its traditional risk‐based counterpart would require. A 4‐day settlement period would lead to margin requirements that both significantly under‐ and overmargin relative to a comparable risk‐based system. This study argues that exchanges may approach the preferred probability of customer exhaustion by managing margin settlement intervals. Thus, the new strategy‐based rules, in and of themselves, will not necessarily inhibit new security futures trading activity. © 2003 Wiley Periodicals, Inc. Jrl Fut Mark 23:989–1002, 2003 相似文献
29.
A large part of official economic data sets is produced with the help of assumed functional relations between variables. Constructing economic models on the basis of such model-generated data results in a "modeling on the basis of the results of modeling." This common procedure can lead to consequences that seriously endanger the quality of empirical analyses. After discussing some of these dangerous consequences the authors explore the reasons behind this development. To avoid some of the most severe difficulties a "Charter for Compilation and Correct Handling of Economic Data" is proposed. 相似文献
30.