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11.
The estimation of physical intensity processes in the context of default risk is investigated here. Using data from Moody's Corporate Bond Default Database, a term structure of default probabilities for different rating classes is constructed each year from 1970 to 2001. Two specifications used for modeling the dynamics of the (risk‐neutral) intensity process in the bond‐pricing literature are then examined empirically: the Ornstein–Uhlenbeck and square‐root cases. The results reveal that the Ornstein–Uhlenbeck case is not an adequate modeling alternative with a rejection of this specification in five out of seven credit classes and nonsignificant mean reverting behavior for all credit classes. The square‐root case obtains better results with four credit classes out of seven for which this specification cannot be rejected and significant mean reversion parameters in many cases. © 2008 Wiley Periodicals, Inc. Jrl Fut Mark 29:95–113, 2009 相似文献
12.
Kevin Dowd PhD Andrew J. G. Cairns PhD David Blake PhD Guy D. Coughlan PhD David Epstein PhD Marwa Khalaf-Allah PhD 《North American actuarial journal : NAAJ》2013,17(3):281-298
Abstract This study sets out a backtesting framework applicable to the multiperiod-ahead forecasts from stochastic mortality models and uses it to evaluate the forecasting performance of six different stochastic mortality models applied to English & Welsh male mortality data. The models considered are the following: Lee-Carter’s 1992 one-factor model; a version of Renshaw-Haberman’s 2006 extension of the Lee-Carter model to allow for a cohort effect; the age-period-cohort model, which is a simplified version of Renshaw-Haberman; Cairns, Blake, and Dowd’s 2006 two-factor model; and two generalized versions of the last named with an added cohort effect. For the data set used herein, the results from applying this methodology suggest that the models perform adequately by most backtests and that prediction intervals that incorporate parameter uncertainty are wider than those that do not. We also find little difference between the performances of five of the models, but the remaining model shows considerable forecast instability. 相似文献
13.
In the past the Israeli industrial relations system was corporatist, characterized by high levels of membership in trade unions and employers' associations, as well as broad coverage of collective agreements. The corporatist system gradually eroded from the mid‐1980s, but its major transformation came with the removal of the Ghent‐like system in 1995. The article observes data collected since the transformation, distinguishing between membership and coverage trends. These distinctions aid in revealing that a hybrid of two distinct industrial relations subsystems has developed. The notion of hybridization suggests that unlike past accounts, which described the substitution of the corporatist industrial relations system by a liberal‐pluralist system, what actually emerges is their coexistence. Despite the path‐determined nature of the Israeli hybrid, the interaction between coverage and membership is instructive for understanding strategic choices made in other European countries in which a similar gap emerged. The article notes the potential for synergy between the two subsystems and notes the actual development of rivalry and friction. 相似文献
14.
Guy Charest Jean‐Claude Cosset Ahmed Marhfor Bouchra M'Zali 《Canadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l\u0027Administration》2014,31(3):160-174
This study investigates whether relaxation of firms' financial constraints is an important outcome of the US cross‐listing mechanism. We use the association between investment spending and cash flow to test for the presence and importance of firms' financing constraints. Consistent with the bonding hypothesis, the results suggest that US exchange and private placement cross‐listings significantly alleviate firms' financing constraints. In addition, the financial benefits associated with exchange listings are larger than those associated with private listings, while on the other hand, over‐the‐counter programs do not improve capital allocation. The study also shows that US exchange cross‐listing benefits have not been eroded by the enactment of the Sarbanes‐Oxley (SOX) Act in 2002. Copyright © 2014 ASAC. Published by John Wiley & Sons, Ltd. 相似文献
15.
Guy Chapda Nana Bruno Larue Jean-Philippe Gervais 《The North American Journal of Economics and Finance》2012,23(2):246-264
We estimate a translog Gross National Product function and test for endogenously determined structural change allowing for anticipated and lagged responses to regional trade agreements. We found that Canada embarked on a long transition path prior to the implementation of the Canada-U.S. Trade Agreement, a result reminiscent of Magee's (2008) results concerning RTAs’ trade creation effects. In contrast, the United States experienced an abrupt structural change a year after the North American Free Trade Agreement took effect. This reflects that smaller economies benefitting from larger changes in terms of trade are confronted to more complex adjustment processes than larger economies. 相似文献
16.
Frederick Guy 《International Journal of the Economics of Business》2000,7(3):263-274
We assess the impact on CEO pay (including salary, cash bonus, and benefits in kind) of changes in both accounting and shareholder returns in 99 British companies in the years 1972-89. After correcting for heterogeneity biases inherent in the standard specifications of the problem, we find a strong positive relationship between CEO pay and within-company changes in shareholder returns, and no statistically significant relationship between CEO pay and within-company changes in accounting returns. Differences between firms in long-term average profitability do appear to have a substantial effect on CEO pay, while differences between firms in shareholder returns add nothing to the within-firm pay dynamics.These findings call into question the rationale for explicitly share-based incentive schemes. 相似文献
17.
We examine episodes of current account adjustment in industrial countries over the past 30 years. We find that they were typically associated with a sizable growth slowdown and a large exchange rate depreciation. There was no discernible change in the nature of capital flows just prior to an adjustment. Hence, adjustments may be responding to the resolution of domestic imbalances rather than being an exogenous event. We show that global developments triggered the adjustment, possibly by triggering the unwinding of the domestic imbalances. Most of the ex post adjustment of the financial account was in private sector flows, primarily by foreign investors. 相似文献
18.
Valuing animal genetic resources: a choice modeling application to indigenous cattle in Kenya 总被引:5,自引:0,他引:5
In an effort to improve productivity and profits, many farmers have replaced traditional livestock breeds with higher yielding alternatives. While such changes may bring about short‐term economic gains, the loss of traditional livestock breeds could result in the loss of an important genetic resource as a variety of important genetic traits adapted to local conditions gradually become less common in the population. This is a particular problem in Africa, where livestock make a substantial contribution to human livelihoods. Using the example of cattle in Kenya's pastoral livestock markets this study uses a choice experiment approach to investigate buyers' preferences for indigenous breeds such as the Maasai Zebu. The analysis employs a latent class approach to characterize heterogeneity in valuations both within and across respondents buying cattle for breeding, slaughter, or resale. The results show that there are at least three classes of buyers with distinct preferences for cattle traits and that most buyers favor exotic rather than indigenous breeds. Such preferences have implications for the conservation of indigenous cattle in Kenya and in other developing countries and suggest that some form of intervention may be required to ensure the preservation of this important animal genetic resource. 相似文献
19.
This is a case study of the effect of subsidized housing on the value of adjacent non-subsidized housing. Four townhouse clusters in Fairfax County, Virginia, were selected for study because of the high degree of homogeneity between clusters. The clusters are all in the same community but vary in distance from subsidized housing. Sale prices were analyzed using a regression model which included distance from subsidized housing as an independent variable. Based on the results of the regression analysis, the authors conclude that the subsidized housing had a negative impact on the values of adjacent properties. 相似文献
20.