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21.
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
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Guy?CamilleriEmail author Jean?Luc?Soubie Pascale?Zaraté 《Group Decision and Negotiation》2005,14(2):159-171
This paper proposes to give a toll to help decision makers in critical situations. The principle of our research is based on a modelling approach for Cooperative Knowledge Based Systems. This approach is based on a Task/Method paradigm that we describe. We then propose to take into account collateral effects of tasks in order to support decision makers in a critical context. The proposed tool can then generate a degraded solution for which, collateral effects of previous tasks have been taken as new goals to reach. This study is possible thanks to the definition of several kinds of models: a Good Functioning Model and a Degraded Tasks Library. 相似文献
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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
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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
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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
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This article deploys comparative historical data on 14 OECD countries to examine the significance of predominant union structure for the impact of union strength on the (medium‐term) growth in hourly labour productivity in manufacturing. The analysis shows that where craft and general unionism predominates, union strength has a deleterious impact on productivity growth. Where enterprise unionism predominates, union strength is irrelevant. However, where industrial unionism predominates, union strength promotes productivity growth. These effects exist independently of established economic influences on aggregate productivity growth. The findings are interpreted as displaying the importance of the character of the governance that unions provide for their productivity impact. 相似文献
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