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201.
Joo Ricardo Faria Andr Varella Mollick Pedro H. Albuquerque Miguel A. Len-Ledesma 《China Economic Review》2009,20(4):793
The increase in oil prices in recent years has occurred concurrently with a rapid expansion of Chinese exports in the world markets, despite China being an oil importing country. In this paper we develop a theoretical model that explains the positive correlation between Chinese exports and the oil price. The model shows that Chinese growth can lead to an increase in oil prices that has a stronger impact on its export competitors. This is due to the large labor force surplus of China. We then examine this hypothesis by estimating a reduced form equation for Chinese exports using Rodrik [Rodrik, Dani, 2006. What's so special about China's exports? China and World Economy 14, 1–19.]'s measure of export competitiveness, together with the oil price, productivity, real exchange rate, and foreign industrial production over the monthly 1992–2005 period. The results suggest a stable relationship and yields slightly positive values for the price of oil and elastic coefficients for export competitiveness, along with the expected negative elasticity for the real exchange rate. 相似文献
202.
Can any multifactor model be interpreted as a variant of the Intertemporal CAPM (ICAPM)? The ICAPM places restrictions on time-series and cross-sectional behavior of state variables and factors. If a state variable forecasts positive (negative) changes in investment opportunities in time-series regressions, its innovation should earn a positive (negative) risk price in the cross-sectional test of the respective multifactor model. Second, the market (covariance) price of risk must be economically plausible as an estimate of the coefficient of relative risk aversion (RRA). We apply our ICAPM criteria to eight popular multifactor models and the results show that most models do not satisfy the ICAPM restrictions. Specifically, the “hedging” risk prices have the wrong sign and the estimates of RRA are not economically plausible. Overall, the Fama and French (1993) and Carhart (1997) models perform the best in consistently meeting the ICAPM restrictions. The remaining models, which represent some of the most relevant examples presented in the empirical asset pricing literature, can still empirically explain the size, value, and momentum anomalies, but they are generally inconsistent with the ICAPM. 相似文献
203.
Pedro M. Reyes Suhong Li John K. Visich 《International Journal of Production Economics》2012,136(1):137-150
This research first conceptualizes, develops, and validates four constructs for studying RFID in health care, including Drivers (Internal and External), Implementation Level (Clinical Focus and Administrative Focus), Barriers (Cost Issues, Lack of Understanding, Technical Issues, and Privacy and Security Concerns), and Benefits (Patient Care, Productivity, Security and Safety, Asset Management, and Communication). Data for the study were collected from 88 health care organizations and the measurement scales were validated using structural equation modeling. Second, a framework is developed to discuss the causal relationships among the above mentioned constructs. It is found that Internal Drivers are positively related to Implementation Level, which in turn is positively related to Benefits and Performance. In addition, Barriers are found to be positively related to Implementation Level, which is in contrast to the originally proposed negative relationship. The research also compares perception differences regarding RFID implementation among the non-implementers, future implementers, and current implementers of RFID. It is found that both future implementers and current implementers consider RFID barriers to be lower and benefits to be higher compared to the non-implementers. This paper ends with our research implications, limitations and future research. 相似文献
204.
Fernando Martín-Alcázar Pedro M. Romero-Fernández Gonzalo Sánchez-Gardey 《Journal of Business Ethics》2012,107(4):511-531
The purpose of this study is to examine how workgroup diversity can be managed through specific strategic human resource management
systems. Our review shows that ‘affirmative action’ and traditional ‘diversity management’ approaches have failed to simultaneously
achieve business and social justice outcomes of diversity. As previous literature has shown, the benefits of diversity cannot
be achieved with isolated interventions. To the contrary, a complete organizational culture change is required, in order to
promote appreciation of individual differences. The paper contributes to this discussion by exploring the implications of
this change for human resource management, and explaining how the systems of practices should be changed when they are directed
to diverse groups. The model designed to test this notion includes: (1) demographic and human capital diversity as independent
variables, (2) group performance (measured as innovation outcomes) as the dependent variable and, (3) the orientation of the
strategic human resource management system as a potential moderator of this relationship. The main conclusion of the empirical
analysis developed is that different patterns of human resource management practices can be used, depending on the type of
diversity that the organization faces, and the specific effects that it wishes to manage. Concretely, three alternative management
systems are identified in this paper, with different moderating effects. This result has interesting implications for human
resource management professionals, explained in the last section. The limitations of this study are also discussed, as well
as some issues that future research in this field should address. 相似文献
205.
Nejat Anbarci Pedro Gomis-Porqueras Marcus Pivato 《Journal of Evolutionary Economics》2018,28(2):365-397
In this paper we study the co-existence of two well known trading protocols, bargaining and price-posting. To do so we consider a frictional environment where buyers and sellers play price-posting and bargaining games infinitely many times. Sellers switch from one market to the other at a rate that is proportional to their payoff differentials. Given the different informational requirements associated with these two trading mechanisms, we examine their possible co-existence in the context of informal and formal markets. Other than having different trading protocols, we also consider other distinguishing features. We find a unique stable equilibrium where price-posting (formal markets) and bargaining (informal markets) co-exist. In a richer environment where both sellers and buyers can move across markets, we show that there exists a unique stable dynamic equilibrium where formal and informal activities also co-exist whenever sellers’ and buyers’ net costs of trading in the formal market have opposite signs. 相似文献
206.
This study focuses on the export performance of the 2004 European Union (EU) enlargement economies to the EU15 between 1990 and 2013. The long time span analysed allows to capture different stages in the relationship of these new members with the EU before and after accession. The study is based on the constant market share methodology of decomposing an ex-post country’s export performance into different effects. Two constant market share analyses were selected in order to disentangle (i) the growth rate of exports and (ii) the growth rate of exports relatively to the world. Both approaches are applied to manufactured products grouping products in different classifications of sectors. Results provide information on export performance for the ten economies individually considered, including the importance of each EU15 destination market. 相似文献
207.
Francisco?Galera Pedro?MendiEmail authorView authors OrcID profile Juan?Carlos?Molero 《Journal of Economics》2017,120(3):269-277
We discuss a potential limitation to a widely accepted result, namely that an output increase is a necessary condition for welfare to increase with price discrimination. We use a theoretical model to show that the existence of seasonal demand fluctuations may allow for a simultaneous reduction in average output and increase in average welfare. We also discuss a number of extensions of our basic model. 相似文献
208.
This paper extends the method of local instrumental variables developed by Heckman and Vytlacil [Heckman, J., Vytlacil E., 2005. Structural equations, treatment, effects and econometric policy evaluation. Econometrica 73(3), 669–738] to the estimation of not only means, but also distributions of potential outcomes. The newly developed method is illustrated by applying it to changes in college enrollment and wage inequality using data from the National Longitudinal Survey of Youth of 1979. Increases in college enrollment cause changes in the distribution of ability among college and high school graduates. This paper estimates a semiparametric selection model of schooling and wages to show that, for fixed skill prices, a 14% increase in college participation (analogous to the increase observed in the 1980s), reduces the college premium by 12% and increases the 90–10 percentile ratio among college graduates by 2%. 相似文献
209.
Verónica Morales-Sánchez Antonio Hernández-Mendo Pedro Sánchez-Algarra Ángel Blanco-Villaseñor María-Teresa Anguera-Argilaga 《Quality and Quantity》2009,43(2):225-236
This paper illustrates the variety of PERT technique known as random PERT. The aim of this technique is to help plan the duration
of activities, something which can be particularly difficult in psychosocial programs. Thus, this task is often carried out
by experts, who know that there are many events which may modify the proposed calendar. The paper includes an empirical illustration
of random PERT applied to a physical activity/sports program for elderly people. 相似文献
210.
Modeling the response capability of a production system 总被引:1,自引:1,他引:0
Pedro Palominos Luis Quezada Germn Moncada 《International Journal of Production Economics》2009,122(1):458
This work is aimed at investigating the impact of labor flexibility and machine flexibility in the response capability of a production system in the clothing industry. To do this the response capability of a production system is modeled as a function of different flexibilities. From this model a 32 factorial experimental design is configured, which is implemented in the Arena 7.01 simulation language. The results show greater importance of machine flexibility compared to labor flexibility for the types of variability studied, and the performance of a production system when a high level of flexibility is used is similar to that in which a medium level is used. 相似文献