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排序方式: 共有182条查询结果,搜索用时 15 毫秒
1.
Kenneth S. ChanY.Stephen Chiu 《European Economic Review》2002,46(2):397-416
This paper extends the work by Morris and Shin (Am. Econom. Rev. 88 (1998) 587-597) where multiple equilibria in the self-fulfilling currency attack models can be reduced to a unique equilibrium when agents observe fundamentals privately with small errors. We find that under a more general specification with realistic parameters, noisy private observations are generally insufficient to prevent the multiplicity of equilibria. The pivotal role played by the transparency of fundamentals/policies in currency crisis is also examined. Surprisingly, transparency may trigger rather than eliminate currency crises when fundamentals are relatively healthy. Our results may be relevant to research in other coordination problems. 相似文献
2.
A moneyness‐based propensity to sell (MPS) measure, at the aggregate level, determines the propensity of option holders to exercise their winning relative to losing positions. Using data on individual stock and S&P 500 Index options, we find that the MPS measure has significant predictive power over the cross section of delta‐hedged option returns. We test the disposition effect in the options market based on a long–short strategy that exploits price distortions induced by the disposition bias. More pronounced evidence of the disposition bias is found for individual at‐the‐money call options than put options where the significance of abnormal returns remains robust across different subsamples even after we control for the portfolio option greeks and market‐based risk factors. The profitability of the long–short strategy is related to limit‐to‐arbitrage proxies suggesting that behavioral explanations help explain the positive relation between the MPS measure and delta‐hedged option returns. 相似文献
3.
Review of Derivatives Research - The mean-variance hedging (MVH) with a significant risk-aversion coefficient is approximately equal to the minimum-variance (MV) hedge. However, how large the... 相似文献
4.
Data envelopment analysis (DEA) has been constantly used to measure the technical efficiency of decision-making units (DMUs). However, the major problem of traditional DEA methods is that they do not consider the possible intermediate effects. Recently, many papers have applied network DEA models to evaluate the efficiency scores. However, the linking activity of DMUs is still hard to be recognized. Hence, we employ DEMATEL to obtain the linking activity of DMUs. Our empirical research shows that the proposed method can soundly deal with the purpose of identifying the relationship between variables and derive the reasonable result in network DEA. 相似文献
5.
This study examines the effect of downstream firms’ (i.e., customers’) risk factor disclosures contained in annual reports on the investment efficiency of upstream firms (i.e., suppliers). We find that more informative disclosures of customers’ risk factors are associated with less under‐ or overinvestment by suppliers. In addition, this inverse association is stronger when the suppliers are at a bargaining disadvantage, when they operate in the durable goods industries, and when they are more concerned about the volatility of future demand. Overall, our results suggest that risk factor disclosures provided by firms in their annual reports contain useful information that could potentially help their suppliers achieve better investment efficiency. Divulgation d'information sur les facteurs de risque des clients et efficience de l'investissement des fournisseurs 相似文献
6.
O'Donnell Owen; van Doorslaer Eddy; Rannan-Eliya Ravi P.; Somanathan Aparnaa; Adhikari Shiva Raj; Harbianto Deni; Garg Charu C.; Hanvoravongchai Piya; Huq Mohammed N.; Karan Anup; Leung Gabriel M.; Ng Chiu Wan; Pande Badri Raj; Tin Keith; Tisayaticom Kanjana; Trisnantoro Laksono; Zhang Yuhui; Zhao Yuxin 《World Bank Economic Review》2007,21(1):93-123
The article compares the incidence of public healthcare across11 Asian countries and provinces, testing the dominance of healthcareconcentration curves against an equal distribution and Lorenzcurves and across countries. The analysis reveals that the distributionof public healthcare is prorich in most developing countries.That distribution is avoidable, but a propoor incidence is easierto realize at higher national incomes. The experiences of Malaysia,Sri Lanka, and Thailand suggest that increasing the incidenceof propoor healthcare requires limiting the use of user fees,or protecting the poor effectively from them, and building awide network of health facilities. Economic growth may not onlyrelax the government budget constraint on propoor policies butalso increase propoor incidence indirectly by raising richerindividuals' demand for private sector alternatives. 相似文献
7.
Jin-Li Hu Chia-Ning Chiu Hwai-Shuh Shieh Chia-Hui Huang 《International Journal of Hospitality Management》2010
The one-stage stochastic frontier approach (SFA) is used in this study to simultaneously estimate cost efficiency scores and factors of cost inefficiency for 66 international tourist hotels in Taiwan during 1997–2006. An SFA model with three outputs and three inputs is defined. The three outputs are room revenue, food and beverage revenue, and other operation revenue while the three inputs are price of labor, price of other operation, and price of food and beverage. This model also takes into account five environmental variables, including dummy variable of the hotels located in non-metropolitan area, dummy variable of chain hotels, the number of tourist guides, the minimum distance from each hotel to Taoyuan international airport and the minimum distance from each hotel to Kaohsiung international airport. Empirical results show that international tourist hotels in Taiwan are on average operating at 91.15% cost efficiency. All nominal variables are transformed into real variables in 1997 prices by GDP deflators. Chain systems, tourist guides, and international transportation can significantly improve the cost efficiency of international tourist hotels in Taiwan. 相似文献
8.
The recent rash of international currency crises has generated considerable interest in the role that exchange rate regimes
have played in contributing to these crises. Many economists have argued that efforts to operate adjustably pegged exchange
rate regimes have been a major contributor to “the unstable middle” hypothesis and some have argued that this unstable middle
is so broad that only the two corners of hard fixes or floating rates will be stable in a world of high capital mobility—the
two corners or bipolar hypothesis. Two recent empirical studies by researchers at the International Monetary Fund reach opposing
conclusions on these issues. We examine the issue further and show that conclusions can be quite sensitive to how exchange
rate regimes are grouped into categories and the measures of currency crises that are used. In general we find that the dead
center of the adjustable peg is by far the most crisis prone broad type of exchange rate regimes, but that countries need
not go all the way to freely floating rates or hard fixes to substantially reduce the risks of currency crises.
相似文献
Thomas D. WillettEmail: |
9.
Yang Li Professor Jin-Li Hu Associate Professor Yung-Ho Chiu Professor 《The Service Industries Journal》2013,33(4):129-148
In the early 1990s, Taiwan began her deregulation trend in order to enhance competition and economic efficiency across all industries. We derive a theoretical framework to predict possible rankings in technical efficiencies of public, mixed, and private banks. A panel data set with 43 Taiwanese banks during 1997–1999 is used for empirical analysis. We then apply a translog distance function to estimate technical efficiencies. The relationship between technical efficiency and government shareholding is also examined. Empirical results show that a public bank in Taiwan can improve its technical efficiency by mixed ownership at a diminishing rate. Moreover, banks in Taiwan on average performed worse after the 1997 Asian financial crisis. 相似文献
10.
Yu‐chuan Chen Yung‐ho Chiu Meng‐chen Li 《The South African journal of economics. Suid-afrikaanse tydskrif vir ekonomie》2011,79(1):1-16
For the first time, this research adopts the system BCC model in data envelopment analysis in order to evaluate mutual fund performance and compares the results between the BCC model and the system BCC model. This study is based on the sample of stock funds and balanced funds in Taiwan, with the empirical results summarised as follows. (i) Under the system BCC model, the average score of balanced funds is greater than the average score of stock funds. (ii) There is a significant difference in efficiency scores between the BCC model and the system BCC model, and it is proper to adopt the system BCC model. (iii) The number of major reference sets that have been referenced under the BCC model is larger than under the system BCC model. (iv) If we neglect the distinctions between stock funds and balanced funds, there will be errors on performance assessment. Ultimately, the results reveal that there is a significant difference between the two models. Provided no consideration is made for the funds belonging to two different systems, errors in performance evaluation are inevitable. This research provides investors with both a more accurate and comprehensive evaluation method. 相似文献