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71.
On the Role of Weight Restrictions in Data Envelopment Analysis 总被引:3,自引:3,他引:0
Pedraja-Chaparro Francisco Salinas-Jimenez Javier Smith Peter 《Journal of Productivity Analysis》1997,8(2):215-230
This paper examines the role that weight restrictions play in Data Envelopment Analysis (DEA). It is argued that the decision to include a factor (input or output) in a DEA model represents an implicit judgement that the factor has a non-trivial weight. It therefore seems perverse to allow DEA to assign a trivial weight to that factor in assessing the efficiency of a unit. There is therefore a strong case for imposing restrictions on factor weights. However, many existing methods of weight restriction are in practice unwieldy. This paper proposes an alternative approach we term contingent weight restriction which is both practical and intellectually consistent with the DEA philosophy. The paper explores the implications of alternative methods of weight restriction using simulated data from a well known production process. 相似文献
72.
73.
74.
Peter Heckman 《Journal of Business Ethics》1992,11(12):933-938
This paper responds to the popular argument that business is like a game and is thus insulated from the demands of morality. In the first half of the paper, I offer objections to this argument as it is put forward by John Ladd in his well-known article, Morality and the Ideal of Rationality in Formal Organizations. I argue that Ladd's analysis is flawed both because it deprives us of the ability to assert that a business is acting badly or that its goals are irrational, and because it is internally inconsistent. In the second half of the paper, I give reasons for thinking that business is not like a game.Peter Heckman teaches business ethics at Santa Clara University. His publications on Nietzsche can be found inThe British Journal of Aesthetics andPhilosophy and Rhetoric. 相似文献
75.
Walter Block Per Henrik Hansen Peter G. Klein 《American journal of economics and sociology》2007,66(2):457-464
A bstract . Even the most passionate defenders of free trade, such as Mises and Rothbard, claim that trade cannot occur under conditions of strict homogeneity of land, labor, and capital. We show that specialization, trade, and the division of labor can emerge even when resources are initially homogenous, due to "natural heterogeneity," economies of scale, and learning. 相似文献
76.
The literature on US state government fiscal performance has examined the role of institutional factors such as budget rules
and divided government, but has largely ignored the impact of party alternation. This paper primarily focuses on whether party
alternation in the governor’s office affects fiscal performance. Our hypothesis is that frequent party changes create a political
environment that impacts fiscal performance. To further assess the impact of party alternation on fiscal performance, we consider
our primary hypothesis in conjunction with the degree of division that exists between the governor’s office and the legislature.
Using panel data from 37 states between 1971 and 2000 we test the hypothesis that frequent party alternation can be expected
to affect fiscal performance and find strong support for the hypothesis.
An earlier version of this paper was presented at the 2005 Public Choice Society Meetings. The authors would like to thank
the conference participants, William Shughart, Charles Register, Jocelyn Evans, John D. Jackson, Amihai Glazer, and two anonymous
referees for their comments. We would also like to thank Craig R. Stiller for his help in the collection of data. Any remaining
errors remain the responsibility of the authors. 相似文献
77.
In an experiment, choice-based (revealed-preference) utility of money is derived from choices under risk, and choiceless (non-revealed-preference) utility from introspective strength-of-preference judgments. The well-known inconsistencies of risky utility under expected utility are resolved under prospect theory, yielding one consistent cardinal utility index for risky choice. Remarkably, however, this cardinal index also agrees well with the choiceless utilities, suggesting a relation between a choice-based and a choiceless concept. Such a relation implies that introspective judgments can provide useful data for economics, and can reinforce the revealed-preference paradigm. This finding sheds new light on the classical debate on ordinal versus cardinal utility. 相似文献
78.
This paper characterizes optimal monetary policy in the context of a general equilibrium model with optimizing agents and staggered price setting. Starting from a steady state with positive inflation, a rapid disinflation is desirable when announcements of future monetary policy are fully credible. Disinflationary policy yields substantial losses in output and employment when the monetary authority lacks credibility; nevertheless, the benefits of disinflation still exceed the costs. Disinflation often fails to be welfare-improving, however, when lost seignorage revenues must be replaced using other distortionary taxes. 相似文献
79.
Farid Ullah Peter Taylor 《The International Entrepreneurship and Management Journal》2007,3(2):189-203
This paper examines funding issues for UK Technology-based Small Firms (TBSFs). TBSFs are the cry of today and UK government
like other countries is trying to increase the mass of TBSFs by various means. However, it is reported that TBSFs face many
impediments to their successful development. Finance is believed as the main barrier at the early stages of TBSFs development.
This paper is attempting to follow up and report if the funding situation for UK TBSFs has improved. The findings reported
in this paper suggest that nearly 80% sample firms were finance constrained at the early stages of business development. 相似文献
80.
Kenneth K. Boyer G.Keong Leong Peter T. Ward Lee J. Krajewski 《Journal of Operations Management》1997,15(4):331-347
This research examines whether investments in advanced manufacturing technologies (AMTs) such as flexible manufacturing systems (FMS), computer aided design (CAD), computer aided manufacturing (CAM), robotics, etc., are more likely to lead to improved performance if they are supported by improvements in the manufacturing infrastructure of the company. This question is evaluated using data gathered from 202 manufacturing plants chosen from industries generally considered to have relatively high investments in technology.Multiple item scales are developed and adapted from sources in the literature to measure investments in technology, infrastructure, and the performance of the plant. Evidence supporting the reliability and validity of these scales is provided. Hierarchical regression is used to analyze the relationship between technology, infrastructure, and performance. The results suggest that there is an important interaction between the adoption of advanced manufacturing technologies and investments in infrastructure. Firms that invest in both AMTs and infrastructure perform better than firms which only invest in one or the other. Separate analyses on sub-samples of firms with the highest and lowest investments in AMTs show that infrastructural investments have a stronger relationship with performance in the high investment group. Thus, the data indicate that infrastructural investments provide a key to unlocking the potential of advanced manufacturing technologies. 相似文献