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51.
Olivier Brandouy Walter Briec Kristiaan Kerstens Ignace Van de Woestyne 《Journal of Banking & Finance》2010
This paper proposes a pragmatic, discrete time indicator to gauge the performance of portfolios over time. Integrating the shortage function (Luenberger, 1995) into a Luenberger portfolio productivity indicator (Chambers, 2002), this study estimates the changes in the relative positions of portfolios with respect to the traditional Markowitz mean-variance efficient frontier, as well as the eventual shifts of this frontier over time. Based on the analysis of local changes relative to these mean-variance and higher moment (in casu, mean-variance-skewness and mean-variance-skewness-kurtosis) frontiers, this methodology allows to neatly separate between on the one hand performance changes due to portfolio strategies and on the other hand performance changes due to the market evolution. This methodology is empirically illustrated using a mimicking portfolio approach (22 and 23) using US monthly data from January 1931 to August 2007. 相似文献
52.
This paper presents a general-equilibrium dynamic Ramsey-type model that can generate endogenous cycle. We assume two different representative agents, borrowers and lenders, and financial intermediaries with inside and outside money. We investigate under which conditions this model presents a cyclical relationship between capital and loans. The sources of endogenous fluctuations in this model come from a credit restriction in the representative-borrower problem. 相似文献
53.
Parveen Setia Bengt Hyberg Daniel de la Torre Ugarte Daryll Ray 《International Advances in Economic Research》1997,3(3):299-311
There is a general belief that federal commodity programs restrict adoption of more sustainable production systems. In the 1990 farm legislation, Congress introduced limited planting flexibility to address these concerns and to reduce federal farm program costs. This program estimates the impact of planting flexibility on selected agricultural sustainability indicators and its policy implications. Results show that planting flexibility is a necessary but not sufficient condition for implementing more sustainable production systems. Other factors such as the availability of economically viable alternatives, macroeconomic conditions, and local resource and environmental concerns need to be considered. Policy reforms can help in achieving economic and environmental gains only in locations with economically viable alternatives. In other cases, increased research and development of new systems are needed to achieve desired results. 相似文献
54.
Charles A. M. de Bartolome 《Journal of Public Economic Theory》1999,1(3):339-358
Tax distortions are interpreted as fiscal externalities. By purchasing a taxed commodity, the individual generates tax revenue that is a benefit external to the purchaser. Behaving noncooperatively, the individual chooses a quantity that is less than the efficient level. The excess burden is interpreted as the benefit of choosing quantities cooperatively. The analysis clarifies the difference between the marginal cost of funds and the marginal excess burden, and explains the presence of compensated demands in the Harberger Triangle, in the Index of Discouragement, and in the Ramsey Equations. 相似文献
55.
56.
Juan Manuel de la Fuente‐Sabaté Julio Rodríguez‐Puerta José David Vicente‐Lorente José Angel Zúñiga‐Vicente 《Managerial and Decision Economics》2007,28(3):171-180
This paper investigates a fundamental issue in the current research on strategic groups: the existence or non‐existence of the so‐called ‘stable strategic time periods’ (SSTPs). Our study provides new evidence by adding new methodological and theoretical insights. The research setting is the Spanish banking industry over a 15‐year period, 1983–1997. Unlike all prior longitudinal research that found SSTPs, the multi‐method procedure that we used in this study (i.e. equality of variance and covariance matrix and mean vector of strategic variables and a subsequent grouping analysis performed through the MCLUST) has led us to reject the existence of SSTPs in the industry under study. Based on these original findings, we conclude by suggesting a proposition which should be corroborated in future empirical studies on strategic groups. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
57.
In 2003 the World Bank (WB) and the International Monetary Fund (IMF) published estimates of macro-economic indicators for 2002 of the economy of Palestine. The WB used a micro-founded recursive dynamic computable general equilibrium (CGE) model, calibrated on the 1998 Social Accounting Matrix (SAM) of Palestine, to which shocks were applied, whereas the IMF based its estimates on a macro-founded income-expenditure model relying on more recent data. It turned out that there were substantial differences: the estimate by the WB of the real gross national income (at 1998 prices) was 25% less than the corresponding figure calculated by the IMF. This huge difference is not only relevant for a full understanding of the economic consequences of the intifada, but also for the size of the international community intervention. In this paper we propose our own evaluation with the help of a static CGE model, based on the 1998 SAM and the so-called intifada shock derived from data of the WB that we constructed for the analysis of some forms of emergency assistance in a previous article. It turns out that our estimates, based on an entirely different methodology, are remarkably close to those of the IMF. 相似文献
58.
The impact of state regulation on the economic behavior of American public research universities is studied, using a unique sample of data on costs, outputs and regulation measures for 98 institutions. The university cost structure is modeled by a multiple output translog cost function, explicitly allowing for the impact of state regulation. Regulating non-faculty salary expenditures and the spending of non-state revenues decreases costs, while regulating faculty salary expenditures increases costs, given the same output levels. The results are interpreted in terms of the principal-agent relationship of state regulators and universities. Efficiency gains and losses depend on the relative accuracy of state information on the production process. 相似文献
59.
60.
The economic history of the Netherlands during the nineteenthcentury demonstrates some remarkable features when comparedwith other countries such as the United Kingdom or Belgium.Dutch industrialization is "slow," "late," and even "different,"often attributed to a lack of natural resources (like coal andore) and/or entrepreneurial spirit. This protracted developmentgenerated some debate between Dutch historians, but no consensuswas reached until the publication in 1968 of J. A. de Jonge’sbook on Dutch industrialization between 1850 and 相似文献