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51.
Roberto Ren 《Economics Letters》2006,90(3):390-395
This letter introduces nonparametric estimators of the drift and diffusion coefficient of stochastic volatility models which exploit techniques for estimating integrated volatility with high-frequency data. The performance of the proposed estimators is assessed on simulations of two popular stochastic volatility models. 相似文献
52.
综合与分类相结合的个人所得税制改变了个人所得税按来源地缴纳和分享的模式。个人综合所得的所得税征收时实行预扣预缴和次年汇算清缴制度。当个人综合所得来源于多个地区时,需要在不同预扣预缴地区间进行汇算清缴。如何在不同收入来源地分配税收成为地区间汇算清缴制度设计的重要关键。本文首次从税收创造和税后收益分配角度,建立了两个税收分配的合作博弈模型。比较分析发现,使用解决"破产问题"的方法都是把地区的所得和总税收作为给定的参数,没有考虑地区所得和税收之间的生成关系和累进税率。我们的研究证明夏普利值作为合作博弈的解,具有公平性、效率性和单调性,是个人所得税地区间分配方式的合适选择。 相似文献
53.
This paper examines the problem of redistributing incomeacross jurisdictions and to mobile workers within jurisdictionswhen local governments have better information than the centralgovernment about local production conditions. Under the centralgovernments optimal policy, the subsidies or taxes that localgovernments provide to mobile workers normally depend on whetherthese governments are net recipients or net donors of interjurisdictionalincome transfers. Moreover, the public-input decisions of somelocal governments are distorted. The analysis demonstrates thatit may not be desirable to harmonize social policies across jurisdictions,even when the beneficiaries are quite mobile. 相似文献
54.
所得税会计诞生于西方的会计学领域,并经长期研究和实践已发展得较为成熟.而我国所得税会计则还处于起步发展阶段.本文通过对IAS 12、SFAS 109,FRS 16和19与我国相关制度的比较,介绍了所得税会计准则的国际动态和我国的现状,为我国所得税会计准则的制定提供指导. 相似文献
55.
This paper extends existing commodity valuation models to allow for stochastic volatility and simultaneous jumps in the spot
price and spot volatility. Closed-form valuation formulas for forwards, futures, futures options, geometric Asian options
and commodity-linked bonds are obtained using the Heston (1993) and Bakshi and Madan (2000) methodology. Stochastic volatility
and jumps do not affect the futures price at a given point in time. However, numerical examples indicate that they play important roles in
pricing options on futures.
This revised version was published online in June 2006 with corrections to the Cover Date. 相似文献
56.
We analyze the empirical properties of the volatilityimplied in options on the 13-week US Treasury bill rate. These options havenot been studied previously. It is shown that a European style put optionon the interest rate is equivalent to a call option on a zero-coupon bond.We apply the LIBOR market model and conduct a battery of validity tests tocompare three different volatility specifications: contact, affine, and exponentialvolatility. It appears that the additional parameter in the affine and theexponential volatility function is not justified. Overall, the LIBOR marketmodel fares well in describing these options. 相似文献
57.
58.
个人所得税功能分析及政策选择 总被引:1,自引:0,他引:1
梁俊娇 《中央财经大学学报》2002,(2):29-31,54
个人所得税是目前增长最快的税种之一 ,是政府用来干预、调节经济活动的重要经济杠杆和调节社会收入分配的重要工具 ,在发挥其作用的同时 ,却产生了对劳动力和私人储蓄的替代效应 ,从我国近几年的运行状况来看 ,个人所得税无论是从税制的最初设计还是征管方面存在着严重不足 ,在政策选择上宜采取综合所得征收制及双向申报制 相似文献
59.
This study proposes a new approach to the estimation of daily realised volatility in financial markets from intraday data. Initially, an examination of intraday returns on S&P 500 Index Futures reveals that returns can be characterised by heteroscedasticity and time-varying autocorrelation. After reviewing a number of daily realised volatility estimators cited in the literature, it is concluded that these estimators are based upon a number of restrictive assumptions in regard to the data generating process for intraday returns. We use a weak set of assumptions about the data generating process for intraday returns, including transaction returns, given in den Haan and Levin [den Haan, W.J., Levin, A., 1996. Inferences from parametric and non-parametric covariance matrix estimation procedures, Working paper, NBER, 195.], which allows for heteroscedasticity and time-varying autocorrelation in intraday returns. These assumptions allow the VARHAC estimator to be employed in the estimation of daily realised volatility. An empirical analysis of the VARHAC daily volatility estimator employing intraday transaction returns concludes that this estimator performs well in comparison to other estimators cited in the literature. 相似文献
60.
Ike Mathur Kimberly C. Gleason Selahattin Dibooglu & Manohar Singh 《The Financial Review》2002,37(1):17-33
The contagion, or informational spillover, effects of the 1994 peso crisis from the Mexican market to the Chilean market, and to the Chilean American Depository Receipts (ADRs) trading in the U.S., are examined. Significant excess returns are observed for Chilean stocks for the event dates of the Mexican Peso crisis, providing evidence of contagion effects. Significant excess returns on these Chilean ADRs are also observed for each of the five event dates associated with the Peso crisis, suggesting that the contagion effects spilled over to the ADRs. A multiple regression model shows that the spillover contagion effects were very efficiently transmitted from the Mexican market to the Chilean market to the Chilean ADRs. Multifactor regressions show that the most significant influence on the pricing of Chilean ADRs is the raw Chilean Index, rather than the Chilean Index expressed in U.S. dollars. 相似文献