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141.
Geopolitical risks and stock market dynamics of the BRICS 总被引:1,自引:0,他引:1
This paper examines the effect of geopolitical uncertainty on return and volatility dynamics in the BRICS stock markets via nonparametric causality-in-quantiles tests. The effect of geopolitical risks (GPRs) is found to be heterogeneous across the BRICS stock markets, suggesting that news regarding geopolitical tensions do not affect return dynamics in these markets in a uniform way. GPRs are generally found to impact stock market volatility measures rather than returns, and often at return quantiles below the median, indicating the role of GPRs as a driver of bad volatility in these markets. While Russia bears the greatest risk exposure to GPRs in terms of both return and volatility, India is found to be the most resilient BRICS nation in the group. Noting that geopolitical shocks and in particular terrorist incidents are largely unanticipated, our findings underscore the importance of a strong financial sector that can help return the market to stability and an open economy that allows local investors to diversify country-specific risks in their portfolios. 相似文献
142.
Revisiting the gender gap in CEO compensation: Replication and extension of Hill,Upadhyay, and Beekun's (2015) work on CEO gender pay gap
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Research Summary: The increasing number of women chief executives motivates considerable interest in examining possible gender differences in CEO compensation. Recently, Hill, Upadhyay and Beekun reported that female CEOs receive greater compensation than male CEOs, which runs counter to common wisdom that the gender pay gap in the labor market favors men over women. With the goal of contributing to cumulative knowledge development in this area, we seek to reexamine Hill et al.'s finding about gender differences in CEO compensation by extending the analyses further in time, using a larger sample of firms and more rigorous empirical analyses. Our findings, which are robust to different statistical procedures and econometric specifications, do not reveal reliable evidence for differences in compensation paid to male and female CEOs. Managerial Summary : For years, a lively debate has centered on the issue of gender pay gap. The ubiquity of the pay gap between men and women has recently been questioned by Hill et al. who identify the chief executive officer (CEO) role as a workplace position where women receive greater compensation than men. Our investigation examines whether women CEOs are indeed compensated substantively more than male CEOs. We seek to replicate earlier work by Hill and colleagues, using an expanded dataset over a longer period of time and with more rigorous analytical tools. We do not find reliable evidence for a difference in compensation paid to male and female CEOs, suggesting that claims about gender gap in CEO compensation favoring women over men may be premature. 相似文献
143.
This paper estimates Bayesian Vector Autoregressive (BVAR) models, both spatial and non-spatial (univariate and multivariate),
for the twenty largest states of the US economy, using quarterly data over the period 1976:Q1–1994:Q4; and then forecasts
one-to-four quarters-ahead real house price growth over the out-of-sample horizon of 1995:Q1–2006:Q4. The forecasts are evaluated
by comparing them with those from an unrestricted classical Vector Autoregressive (VAR) model and the corresponding univariate
variant of the same. Finally, the models that produce the minimum average Root Mean Square Errors (RMSEs), are used to predict
the downturns in the real house price growth over the recent period of 2007:Q1–2008:Q1. The results show that the BVARs, in
whatever form they might be, are the best performing models in 19 of the 20 states. Moreover, these models do a fair job in
predicting the downturn in 18 of the 19 states. 相似文献
144.
Abstract: As is evident from recent changes in NYSE and NASDAQ listing requirements, board independence is assumed to be an important and effective governance mechanism. However, the empirical evidence regarding the value of board independence is mixed. We examine board member resignation announcements and their perceived importance in the context of firms' existing governance structures. We find that outside director resignations appear to send negative signals to market participants. However, this market reaction is less negative when the board is more independent before the departure and when institutional ownership is high, but is more negative for higher levels of officer and director ownership and CEO incentive compensation. 相似文献
145.
Alan Levitan Mahesh Gupta 《International Journal of Intelligent Systems in Accounting, Finance & Management》1996,5(3):129-145
In this paper, we address a cost-drivers optimization (CDO) problem in which two separate but interrelated decisions (i.e. the number of cost drivers needed and which cost drivers to use) are considered. It is desirable to have (1) an optimal selection of cost drivers in order to provide better indication of product costs and (2) an optimal number of cost drivers in order to avoid excessive control costs and to minimize information costs associated with data collection, storage and processing. The objective of the CDO problem is to balance savings in information costs with loss of accuracy. We propose an heuristic procedure based on genetic algorithms as an alternative with the potential to address more generalized objective functions. Genetic algorithms represent an innovative and promising heuristic approach which does produce results superior to published alternatives. The development and implementation of the algorithm is supported with the literature review and comparative analysis. We also comment on the complexity and experimental design issues for addressing large and practical problems. 相似文献
146.
In this paper, we discuss commentaries by Maynes and Hjorth-Andersen on our earlier paper (1990), and then go on to discuss the merits of various measures of market efficiency which have appeared in the literature. While Maynes criticized the model in our 1990 paper for a lack of realism, we argue that our limited objective of demonstrating that price-quality correlations are not necessarily related to market efficiency did not require a model which was realistic in all details. We also demonstrate that our basic conclusion that the price-quality correlation need not measure market efficiency does not depend on our theoretical model. Hjorth-Andersen advanced a number of alternative reasons why price-quality correlations may not measure efficiency, and we view his arguments largely as complementary to ours. The basic conclusion is that there are severe problems with interpreting measured price-quality correlations as measures of efficiency. We go on to discuss alternative measures. While no alternatives are completely satisfactory, we argue that measures based on deviations from an efficient frontier have some attractive properties, and are currently the most desirable alternative.
Zur bestimmung der effizienz von mÄrkten
Zusammenfassung Die Autoren gehen in diesem Beitrag auf die Kommentare von Maynes (1992) und Hjorth-Andersen (1992) zu ihrem früheren Beitrag in dieser Zeitschrift (1990) ein und diskutieren dann die verschiedenen Indikatoren der Markteffizienz, die in der Literatur vorgeschlagen wurden. WÄhrend Maynes das Modell des früheren Beitrages der Autoren wegen zu geringer RealitÄtsnahe kritisierte, halten die Autoren jetzt dagegen, da\ für das begrenzte Ziel jenes Beitrages, nÄmlich zu zeigen, da\ Preis-QualitÄts-Korrelationen nicht notwendigerweise mit Marktef-fizienz verknüpft sind, Wirklichkeitstreue in allen Details gar nicht erforderlich ist. Sie zeigen darüber hinaus, da\ ihre grundlegende Schlu\folgerung, da\ Preis-QualitÄts-Korrelationen nicht ein Ma\ der Markteffizienz sein müssen, von ihrem theoretischen Modell nicht einmal abhÄngt. Hjorth-Andersen führt eine Reihe weiterer Gründe an, deretwegen Preis-QualitÄts-Korrelationen keine Indikatoren für Effizienz sein mögen, die von den Autoren als ErgÄnzung der eigenen überlegungen angesehen werden. Das Hauptergebnis des vorliegenden Beitrages ist folglich, da\ es ernste Probleme bei der Interpretation solcher Korrelationen als Effizienz-Ma\e gibt. Sie diskutieren deshalb andere Indikatoren, von denen allerdings keiner vollstÄndig befriedigend ist. Allerdings dürften Ma\e, die die Abweichung von einer Grenzlinie günstigster EinkÄufe erfassen, zur Zeit die aussichtsreichste Möglichkeit sein.相似文献
147.
Marketing researchers have long used brand switching analyses and Markov transition matrices to gain insights into managerial problems. Almost without exception, this work makes (inappropriate) inferences about individual consumers by analyzing household-level data. This paper presents a procedure based on the distribution of run lengths in household level panel data that allows more insights into the choice behavior of the individuals in the household. We test these procedures in a large simulation study by attempting to recover the underlying (known) structure of the process generating a string of panel data. Finally, we use the procedure to classify the purchase behavior, with respect to powdered soft drinks, of a set of households in a panel. Our results show that marketing scientists have the potential to learn and test more hypotheses about the individuals in a household by examining the distribution of run lengths.We gratefully acknowledge Professor Bari Harlam of the University of Rhode Island for providing the panel data. 相似文献
148.
Do mergers with greater target relative to acquirer size create more value than mergers with smaller relative sized targets? Do larger bid amounts represent wealth transfers from acquirers or do they signal greater expected merger gains? We hypothesize that the relations among aggregate merger gains, relative size, and bid premiums are asymmetric across mergers made by value‐enhancing versus value‐reducing managers. We use a large sample of bank mergers to test these predictions and find that the value response to different explanatory variables is asymmetric. Our findings provide new insights into how the market values merger bids. 相似文献
149.
Archishman Chakraborty Nandini Gupta Rick Harbaugh 《The Rand journal of economics》2006,37(1):176-194
Should a seller with private information sell the best or worst goods first? Considering the sequential auction of two stochastically equivalent goods, we find that the seller has an incentive to impress buyers by selling the better good first because the seller's sequencing strategy endogenously generates correlation in the values of the goods across periods. When this impression effect is strong enough, selling the better good first is the unique pure‐strategy equilibrium. By credibly revealing to all buyers the seller's ranking of the goods, an equilibrium strategy of sequencing the goods reduces buyer information rents and increases expected revenues in accordance with the linkage principle. 相似文献
150.
Sanjeev Gupta Benedict Clements Erwin R. Tiongson 《Review of Development Economics》2004,8(3):379-390
The paper examines the cyclical properties of food aid with respect to food availability in recipient countries, with a view to assessing its impact on consumption in some 150 developing countries and transition economies, covering 1970 to 2000. The results show that global food aid has been allocated to countries most in need. Food aid has also been countercyclical within countries with the greatest need. However, for most countries, food aid is not countercyclical. The amount of food aid provided is also insufficient to mitigate contemporaneous shortfalls in consumption. 相似文献