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We consider in this paper an auction-based pricing scheme recently introduced by Lazar and Semret to allocate bandwidth among users. This mechanism, called Progressive Second Price, was studied using tools from noncooperative game theory, for a fixed set of players (i.e., users). We compare here the results obtained in that case with the more realistic situation when players randomly enter or leave the game. We assume that they enter according to a Poisson process, and leave it after an exponentially distributed sojourn time. We show that this stochastic assumption cannot be skipped since it can lead to very different results. 相似文献
954.
Distributive, procedural, and interactional justice are constructs that are increasingly being recognized as important factors that affect individual perceptions in the workplace environment. This paper presents a theoretical perspective that suggests that justice is perceived through a subjective lens that consists of individualized beliefs and proposes that cultural attributes and demographic characteristics play an integral part in determining the perception of justice. The distinctions between these three constructs are presented in context with the core beliefs of individual employees – affected by a multitude of perceptual and demographic factors that we briefly identify herein. Based on the theoretical perspective, an instrument that measures the constructs of justice as perceived by individuals was developed. With a focus on justice within the business setting, hypotheses about attitudes related to justice were tested. Survey results confirm that the three constructs of justice are distinct but correlated. Significant differences were found in the perceptions of African-American respondents with regard to procedural justice. Although the empirical findings do not support all the hypotheses, this research highlights the need for further development of measures to assess the perception of justice in business settings and at an applied level, underscores the importance of recognizing cultural attributes and demographic characteristics in understanding how justice is perceived. 相似文献
955.
Veronica Hope-Hailey Lynda Gratton Patrick McGovern Philip Stiles Catherine Truss 《Human Resource Management Journal》1997,7(3):5-18
This article examines the changing role of the HR function in large corporations in the 1990s. It draws on data collected from a multi-sector case study research project – the Leading Edge Forum Consortium. Activities are analysed along three dimensions: access to strategic decision making, shift of responsibilities to the line, and the function's perceived contribution to business performance. It concludes that devolution to the line remains problematic, and that access to strategic decision making is still contingent on the personal influencing skills of senior HR managers or directors. Nevertheless the recognition of the strategic importance of HRM as a contributor to business performance has risen. 相似文献
956.
Economic profits differ from accounting profits. Accounting profits are usually defined as revenues minus costs, and those costs as fixed and variable. Economic profits enlist a third cost, opportunity costs. While these costs are difficult to determine with mathematical precision, they are nonetheless significant, especially for decision making in business. They reflect social costs and benefits, tensions between individual and corporate interests, and all internal and external considerations which enter into decision making in business. It is precisely within opportunity cost decision making that Primeaux and Stieber situate business ethics. 相似文献
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While previous work has identified a shift in the host business system which facilitates multinational corporations in their quest to introduce non‐union approaches, little or no qualitative data have been brought to bear on this issue. This article presents case‐based evidence on the dynamics of this trend in Ireland, focusing specifically on management approaches to collective employee representation as well as providing an exposition of the patterns of trade union recognition and avoidance in evidence. 相似文献
959.
Patrick J. Coe M. Hashem Pesaran Shaun P. Vahey 《Oxford bulletin of economics and statistics》2005,67(4):467-495
This paper provides a recursive empirical analysis of the scope for cost minimization in public debt management when the debt manager faces a given short‐term interest rate dictated by monetary policy as well as risk and market impact constraints. It simulates the ‘real‐time’ interest costs of alternative portfolios for UK government debt between April 1985 and March 2000. These portfolios are constructed using forecasts of return spreads based on a recursive modelling procedure. While we find statistically significant evidence of predictability, the interest cost savings are quite small when portfolio shares are constrained to lie within historical bounds. 相似文献
960.
Patrick M. Wright Timothy M. Gardner Lisa M. Moynihan 《Human Resource Management Journal》2003,13(3):21-36
This article examines the impact of HR practices and organisational commitment on the operating performance and profitability of business units. Using a predictive design with a sample of 50 autonomous business units within the same corporation, the article reveals that both organisational commitment and HR practices are significantly related to operational measures of performance, as well as operating expenses and pre‐tax profits. 相似文献