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The “Pessimists” and the “Optimists” disagree whether the US external deficits and the associated buildup of US net foreign liabilities are problems that require urgent attention. A warning signal should be that the debt ratio deviates significantly from the optimal ratio. The optimal debt ratio or debt burden should take into account the vulnerability of consumption to shocks from the productivity of capital, the interest rate and exchange rate. The optimal debt ratio is derived from inter-temporal optimization using Dynamic Programming, because the shocks are unpredictable, and it is essential to have a feedback control mechanism. The optimal ratio depends upon the risk adjusted net return and risk aversion both at home and abroad. On the basis of alternative estimates, we conclude that the Pessimists’ fears are justified on the basis of trends. The trend of the actual debt ratio is higher than that of the optimal ratio. The Optimists are correct that the current debt ratio is not a menace, because the current level of the debt ratio is not above the corresponding level of the optimum ratio. 相似文献
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In this article we extend the existing IPO literature to the case of micro-IPOs by analyzing a sample of Small Corporate Offering Registration (SCOR) documents from the U.S. state of Washington. Through theory, we identified variables that should impact the probability of success or failure in a SCOR offering and then empirically tested them. Empirical support was found for the relevance of (1) marketing mechanisms and expenses; (2) ownership and governance factors; (3) business life cycle stages; and (4) signaling factors consistent with our theoretical predictions. 相似文献
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In this paper, we use an input-output framework to model an economy experiencing a shortage of a primary product or intermediate good. We show that when a shortage is combined with factor price rigidities, the reduction in consumption and employment will be larger than is necessary. In such cases, there is a need for government intervention, to manage the shortage and make the best of a bad situation. We show that the impact of a shortage can be ameliorated by changes in the composition of output, brought about by direct allocation of the scarce input or by differential sales taxes. The traditional instruments of monetary and fiscal policy are shown to be of little use in dealing with shortages. 相似文献
137.
Emergent complex systems 总被引:2,自引:0,他引:2
Complex systems are becoming the focus of important innovative research and application in many areas, reflecting the progressive displacement of classical physics and the emergence of a new and creative role for mathematics. This article makes a distinction between ordinary and emergent complexity and argues that a full analysis requires dialectical thinking. In so doing the authors aim to provide a philosophical foundation for post-normal science. The exploratory analysis developed here is complementary to those conducted with a more formal, mathematical approach, and begins to articulate what lies on the other side of that somewhat indistinct divide, the conceptual space called emergent complexity. 相似文献
138.
Jerome L. Stein 《Economic Modelling》2011,28(1-2):272-280
The Dodd–Frank (D–F) Financial Reform Bill authorizes the Federal Reserve to monitor the financial services marketplace to identify potential threats to the stability of the US financial system. Alan Greenspan's retrospective indicates what he has learned from the crisis. He argues that the crisis, the housing price bubble, was unpredictable and unavoidable. Greenspan now focuses on desirable capital requirements, or leverage, for banks and financial intermediaries. I explain why the Fed's and Greenspan's views stem from a lack of the appropriate tools of analysis of what is an excessive debt or leverage. The Quants who devised the highly leveraged financial derivatives ignored systemic risk.My theme is that the application of stochastic optimal control (SOC) is an effective approach to implement what the D–F bill is authorizing. I explain: first, what is the optimal capital requirement/leverage that balances expected return against risk. Second, what is a theoretically derived early warning signal of a crisis. Third, I derive an excess debt ratio, equal to the difference between the actual and optimal ratios. The probability of a debt crisis is directly related to the excess debt ratio. The excess debt ratio starting from 2004–05 indicated that a crisis was most likely. The Fed should use this SOC analysis in implementing the Dodd–Frank bill. 相似文献
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Mansoor Dailami Sergio Kurlat Jamus Jerome Lim 《The North American Journal of Economics and Finance》2012,23(3):345-364
This paper studies the factors associated with outbound bilateral mergers and acquisitions (M&A) activity by firms located in emerging economies. We document recent trends in emerging market M&A flows, which have risen dramatically over the past decade, and explore the factors that may have contributed to this rise. We find distinct patterns for M&A deals according to whether the acquisition targets are in other emerging economies or advanced countries, and that these differences can be attributed to differing theoretical motivations behind foreign direct investment. We also consider the implications of our model for future M&A originating in the Global South, in light of the global financial crisis of 2008. 相似文献