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11.
Summary. The paper utilizes duality theory to derive an exact representation of the core of a supermodular capacity for finite-state-space Choquet expected utility preferences. Using the dual representation we develop an algorithm that uses information on willingness to pay and willingness to sell to elicit a supermodular capacity in a finite number of iterations.Received: 21 February 2003, Revised: 26 May 2004, JEL Classification Numbers: D81. Correspondence to: Robert G. ChambersThe authors thank J. Quiggin and an anonymous referee for comments that improved the paper.  相似文献   
12.
We use novel spatial econometrics techniques to explore spillovers in the sovereign bond market for 24 emerging economies during 1995–2010. The article extends the previous literature focusing on spillover effects from advanced to emerging economies by analyzing transmission of shocks across emerging markets. After controlling for the impact of global factors, we find strong evidence of spillovers from both sovereign spreads and macroeconomic fundamentals in neighboring emerging economies. In addition to the geographical proximity, the channels of spatial transmission include trade and financial linkages. The results of the article highlight the importance of accounting not only for spillovers from advanced economies to emerging markets but also across emerging markets when analyzing sovereign spreads.  相似文献   
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This paper considers the simple neoclassical economics of price gaps in the absence of income effects. Our guiding principle is that price gaps reflect a fundamental economic principle: buy low and sell high. It is demonstrated that neoclassical theory makes clear and economically testable predictions about these price gaps.  相似文献   
15.
The famous Afriat’s theorem from the theory of revealed preferences establishes necessary and sufficient conditions for the existence of utility function for a given set of choices and prices. The result on the existence of a homogeneous utility function can be considered as a particular fact of the Monge–Kantorovich mass transportation theory. In this paper we explain this viewpoint and discuss some related questions.  相似文献   
16.
Early warning systems (EWSs) are widely used to assess a country’s vulnerability to fiscal distress. A fiscal distress episode is identified as a period when government experiences extreme funding difficulties. Most EWSs employ a specific set of only fiscal leading indicators predetermined by the researchers, which casts doubt on their robustness. We revisit this issue using extreme bounds analysis, which allows identifying robust leading indicators of fiscal distress from a large set. A robust leading indicator’s effect does not strongly depend on the model specification. Consistent with the theoretical predictions of latest generation crisis models, we find that both fiscal and non-fiscal leading indicators are robust. In addition, we find that a fiscal vulnerability indicator based on fiscal and non-fiscal leading indicators offers a 29% gain in predictive power compared to a traditional one based only on fiscal leading indicators. This suggests that both fiscal and non-fiscal leading indicators should be taken into account when assessing country’s vulnerability to fiscal distress.  相似文献   
17.
The paper uses data from Armenia to test the implications of remittance flows on behavior of receiving households. We find that remittance‐receiving households work fewer hours and spend less on the education of their children. While saving more, these households are not leveraging their savings to borrow from the banking system to expand their business activities. This evidence suggests that the benefits of remittances might be overstated and emphasizes the importance of measuring their impact in a general‐ rather than a partial‐equilibrium context.  相似文献   
18.
Neglecting the existence of different technologies in banking can contaminate efficiency, market power, and other performance measures. By simultaneously estimating (i) technology regimes conditional on exogenous factors, (ii) efficiency conditional on risk management, and (iii) Lerner indices of German banks, we identify three distinct technology regimes: Public & Retail, Small & Specialized, and Universal & Relationship. System estimation at the regional level reveals that greater bank market power increases bank profitability but also fosters corporate defaults. Corporate defaults, in turn, lead to higher probabilities of bank distress, which supports the market power-fragility hypothesis.  相似文献   
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The article examines the geopolitical developments in the South Caucasus after the collapse of the USSR in the context of the Russian-American geopolitical struggle. Armenia, Azerbaijan and Georgia, three recognised states of this region, should not only solve a set of complex problems such as to pass effectively through the difficult path of state-building, to respond adequately to the developments of the Russian-American struggle, but they should also take into consideration the impact of that struggle on the resolution of the conflicts in the region. The article aims to disclose the patterns and the peculiarities of geopolitical struggle in the South Caucasus, its impact on the process of resolving the Nagorno-Karabakh conflict, that recently gained more significance, and also the obstacles and perspectives of the resolution of this conflict.  相似文献   
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This paper analyzes interest margin determinants in the Russian banking sector with a particular emphasis on the bank ownership structure. Using unique bank-level data covering Russia's entire banking sector for the 1999–2007 period, we find that the impact of a number of commonly used determinants such as market structure, credit risk, liquidity risk and size of operations differs across state-controlled, domestic-private and foreign-owned banks. At the same time, the influence of operational costs and risk aversion is homogeneous across ownership groups. The results overall suggest that the form of bank ownership needs to be considered when analyzing interest margin determinants.  相似文献   
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