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51.
This paper concerns optimal income taxation in a two-type model extended to allow for social interaction and social norms
in the labor market. One norm refers to “normal behavior” with respect to work hours (the hours of work norm), whereas another
means that “one should earn one’s living by working” (the participation norm). The results show how the hours of work norm
gives rise to a corrective motive for using income taxation. We also show how the interaction between the hours of work norm
and the private incentive to participate in the labor market (which reflects the participation norm) gives rise to an employment
motive for using the income tax. 相似文献
52.
53.
We investigate determinants of foreign ownership in newly privatized firms. We analyze data on privatized Czech firms to address two related general questions. First, what characteristics distinguish transition firms that attract a foreign investor? Second, how do firm‐specific characteristics influence the size of the foreign equity stake? Our results suggest that foreign investors i) seek safe, profitable firms in which they can exert unchallenged influence on corporate governance and then ii) structure their equity stakes to mitigate agency costs and political risk. 相似文献
54.
A long‐standing debate has focused on the extent to which different levels of analysis shape firm performance. The strategic group level has been largely excluded from this inquiry, despite evidence that group membership matters. In this study, we use hierarchical linear modeling to simultaneously estimate firm‐, strategic group‐, and industry‐level influences on short‐term and long‐term measures of performance. We assess the three levels' explanatory power using a sample of 1,165 firms in 12 industries with data from a 7‐year period. To enhance comparability to previous research, we also estimate the effects using the variance components and ANOVA methods relied on in past studies. To assess the robustness of strategic group effects, we examine both deductively and inductively defined groups. We found that all three levels are significantly associated with performance. The firm effect is the strongest, while the strategic group effect rivals and for some measures outweighs the industry effect. We also found that the levels have varying effects in relation to different performance measures, suggesting more complex relationships than depicted in previous studies. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
55.
A note on Wick products and the fractional Black-Scholes model 总被引:1,自引:0,他引:1
In some recent papers (Elliott and van der Hoek 2003; Hu and Øksendal 2003) a fractional Black-Scholes model has been proposed as an improvement of the classical Black-Scholes model (see also Benth 2003; Biagini et al. 2002; Biagini and Øksendal 2004). Common to these fractional Black-Scholes models is that the driving Brownian motion is replaced by a fractional Brownian motion and that the Itô integral is replaced by the Wick integral, and proofs have been presented that these fractional Black-Scholes models are free of arbitrage. These results on absence of arbitrage complelety contradict a number of earlier results in the literature which prove that the fractional Black-Scholes model (and related models) will in fact admit arbitrage. The objective of the present paper is to resolve this contradiction by pointing out that the definition of the self-financing trading strategies and/or the definition of the value of a portfolio used in the above papers does not have a reasonable economic interpretation, and thus that the results in these papers are not economically meaningful. In particular we show that in the framework of Elliott and van der Hoek 2003, a naive buy-and-hold strategy does not in general qualify as self-financing. We also show that in Hu and Øksendal 2003, a portfolio consisting of a positive number of shares of a stock with a positive price may, with positive probability, have a negative value.Received: August 2004, Mathematics Subject Classification (2000):
91B28, 60H05JEL Classification:
G10Support of the first author from the Jan Wallander and Tom Hedelius foundation is gratefully acknowledged. The research of the second author is supported by the Swedish Research Council. 相似文献
56.
Tomas Ohlin 《Telecommunications Policy》1978,2(3):234-243
The author argues that telecommunications efforts too often tend to stress distant connections. The local informative contacts are important, and should be given a chance in future systems. The argument presented to support this view includes the specific example of the TERESE project (Telecommunications and Rural Development in Sweden). This publically funded project uses narrowband communication, including computer conferencing, to stress economic and social identity in a region in the far north of Sweden. Details of continuing regional efforts are given. 相似文献
57.
G. Tomas M. Hult Forrest V. MorgesonIII Neil A. Morgan Sunil Mithas Claes Fornell 《Journal of the Academy of Marketing Science》2017,45(1):37-54
The ability of a firm’s managers to understand how its customers view the firm’s offerings and the drivers of those customer perceptions is fundamental in determining the success of marketing efforts. We investigate the extent to which managers’ perceptions of the levels and drivers of their customers’ satisfaction and loyalty align with that of their actual customers (along with customers’ expectations, quality, value, and complaints). From 70,000 American Customer Satisfaction Index (ACSI) customer surveys and 1068 firm (manager) responses from the ACSI-measured companies, our analyses suggest that managers generally fail to understand their firms’ customers in two important ways. First, managers systematically overestimate the levels of customer satisfaction and attitudinal loyalty, as well as the levels of key antecedent constructs such as expectations and perceived value. Second, managers’ understanding of the drivers of their customers’ satisfaction and loyalty are disconnected from those of their actual customers. Among the most significant “disconnects,” managers underestimate the importance of customer perceptions of quality in driving their satisfaction and of satisfaction in driving customers’ loyalty and complaint behavior. Our results indicate that firms must do more to ensure that managers understand how their customers perceive the firm’s products and services and why. 相似文献
58.
Tomas Blomquist Markus Hällgren Andreas Nilsson Anders Söderholm 《Project Management Journal》2010,41(1):5-16
Research on projects is not only an immature field of research, but it is also insubstantial when it comes to understanding what occurs in projects. This article contributes to making project management research matter to the academic as well as to the practitioner by developing a project‐as‐practice approach, in alignment with the ongoing debate in social science research. The article outlines a framework and argues that there are two major challenges to the researcher and also suggests how these challenges can be met. Underlying notions of the practice approach are outlined to ensure a development of the project‐as‐practice approach that makes project management research matter! 相似文献
59.
Sophia Davidova Matthew Gorton Belen Iraizoz Tomas Ratinger 《Journal of Agricultural Economics》2003,54(2):227-245
This paper revisits the literature on farm restructuring in the CEECs by analysing the variations in farm performance in the Czech Republic a decade after the start of the transition process. It identifies seven clusters of farms that differ in their productivity and profitability usng data from 1998 and 1999. The analysis reveals that the vast majority of farms are unprofitable, and there is no strong evidence that individual farms perform better than corporate farms. In fact, there are large numbers of individual farms that are loss‐making on their agricultural activity with low factor productivity. Producer co‐operatives and limited liability companies suffer from debts inherited from the reform process. Future restructuring is likely to occur in all clusters rather than affecting just corporate farms. 相似文献
60.
Antonio M. Friedman-Soza Jorge R. Friedman Tomas A. Galvez-Silva Carlos F. Yevenes 《Applied economics》2017,49(59):5905-5915
This article studies the role of education in the decision to attend sporting events. The overall objective is to verify whether more educated individuals are more likely to go to sports events than their less educated counterparts. If education socializes persons to focus on sports, it would then partially offset negative alternatives such as alcohol, drug abuse and unlawful behaviours, creating a positive externality. Sport events consumption is extensive, highlighting the potential economic importance of the sports-education externality. To establish the role of education in sport attendance, this article applies a probabilistic linear regression model to data from the UK. The econometric formulation associates sport event attendance in the left hand side with education in the right hand side, while controlling for the socioeconomic variables that are known to affect a consumer’s decision to go to a sport event: gender, age, income, employment status, children, marital status, and geographical location, among others. These findings add to a somewhat limited literature on both the effect of education on sports attendance and secondarily, on the impact of other socioeconomic variables on attendance. 相似文献