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  • 1995-1999  (22)
  • Economics  (22)
  • 1
    Electronic Resource
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    Springer
    Annals of operations research 67 (1996), S. 117-139 
    ISSN: 1572-9338
    Keywords: Reimbursement ; efficiency ; hypothesis ; cost pass-through ; hospitals ; data envelopment analysis ; non-discretionary factors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Notes: Abstract In both the private and public sectors, it is strongly believed that when goods and services are transferred at full cost, efficiency of operation is not encouraged. A cost pass-through payment mechanism, heavily used by the U.S. Federal Government prior to 1983 to reimburse hospitals for in-patient services, has been blamed for part of the annual double digit escalation in health care costs from 1965 to 1983. A cost pass-through formula is still in use for some types of outpatient care reimbursement (especially clinics and ancillary services); additionally retrospective reviews are still used to determine Medicare “outlier” payments under the present prospective system. Finally some private health care plans still utilize a mixed retrospective/prospective payment system. Hence, the issue is still very relevant to health care professionals. Unfortunately it has been difficult to settle this issue empirically since hospitals are characterized by the provision of multiple services, with no clear resource/product allocations; additionally different client mixes and other uncontrollable factors complicate the issue of measurement of efficiency. We provide some quantitative insights into this issue, using a new formal hypothesis testing procedure developed by Banker (1993) which uses asinputs the technical efficiency ratings from a Data Envelopment Analysis with non-discretionary factors (see Banker and Morey (1986)). The data set involved is for 105 North Carolina hospitals, operating in 1978 (before the era of prospective reimbursement); three distinct outputs, three controllable resources and six descriptors of the hospital (bed size, case mix, etc.) are available for each hospital. Additionally thepercent ofeach hospital's total reimbursement, generated utilizing the cost pass-through formula, was estimated. The hypotheses tested related generally to whether or not an inverse relationship existed between the hospital's inefficiency rating and the extent of its cost pass-through reimbursement. The data supports the widely held belief that hospitals with higher cost pass-through percent reimbursement indeed tended to be less efficient.
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  • 2
    ISSN: 1572-9338
    Keywords: Data Envelopment Analysis ; weights restrictions ; value judgements ; efficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Notes: Abstract This paper provides a review of the evolution, development and future research directions on the use of weights restrictions and value judgements in Data Envelopment Analysis. The paper argues that the incorporation of value judgements in DEA was motivated by applications of the method in real life organisations. The application driven development of the methods has led to a number of different approaches in the literature which have inevitably different uses and interpretations. The paper concentrates on the implications of weights restrictions on the efficiency, targets and peer comparators of inefficient Decision Making Units. The paper concludes with future research directions in the area of value judgements and weights restrictions.
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  • 3
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    Annals of operations research 73 (1997), S. 253-276 
    ISSN: 1572-9338
    Keywords: Data Envelopment Analysis ; game theory ; efficiency ; linear programming
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Notes: Abstract Dominant Competitive Factors, unique solutions to a new class of two-person ratio efficiency games, are introduced as a means for distinguishing exceptional aspects of individual performance. The vectors of input-output multipliers thus obtained may be analyzed collectively so that commonalities within groups and differences across groups may be discovered. The method is applied to "Program Follow-Through", the original impetus for developing Data Envelopment Analysis. Our results are compared with those of the earlier study, whereupon substantial new insights are obtained.
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  • 4
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    International journal of value-based management 11 (1998), S. 9-17 
    ISSN: 1572-8528
    Keywords: circadian ; flextime ; memory ; productivity ; time-of-day ; rhythm ; preference ; stress ; efficiency ; Zeitgeber
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract Each human being has an internal timekeeping mechanism. To date, over 100 so-called ‘circadian’ rhythms have been detected. Perhaps the most significant is body temperature. There is an apparent connection between this rhythm and the efficiency with which we do things in the course of the working day. Within individuals, patterns have been discovered which give credence to the popular notions of a ‘morning’ or an ‘afternoon’ person, and so on. Our memory changes from morning to afternoon: short-term memory is stronger in the morning, and long-term memory stronger in the afternoon; in schools, ‘morning’ students have higher grades than students who have other time-of-day preferences. Therefore, a strong case can be made in support of flexible time schedules. It is reported that productivity went up on the introduction of such a scheme. Employee stress has been seen to decline also. When flextime was offered, parents with small children took advantage of the benefit as well as unmarried employees. The only drawback is ensuring that, with so many individual variations in preferences, the needs of the company are fully met. If such a scheme can be devised, however, the research suggests that productivity and efficiency will increase.
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  • 5
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    Journal of productivity analysis 8 (1997), S. 461-475 
    ISSN: 1573-0441
    Keywords: Stochastic production frontiers ; technical change ; efficiency ; Turkey
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract Technical progress and production efficiency are central to economic growth and international competitiveness. However, these topics received little attention in Less Developed Countries. This study is the first attempt to measure and to understand the extent and importance of technical progress and efficiency in Turkish manufacturing industries. Stochastic production frontiers for Turkish textile, cement, and motor vehicles industries are estimated by using panel data of plants for the years 1987 to 1992. The rate and direction of technical change for each industry are estimated by introducing time-dependent variables in the production function. Sector-specific factors which influence technical efficiency of manufacturing plants are also identified.
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  • 6
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    Journal of productivity analysis 12 (1999), S. 211-231 
    ISSN: 1573-0441
    Keywords: DEA ; efficiency ; regulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract Rewarding regulated firms based on their relative performance requires benchmarks that reflect how performance is affected by regulation. This paper demonstrates how parametric and nonparametric efficiency measures can be employed to produce benchmarks that account for the effects of regulation. We apply measurement techniques to an eleven-year panel of 20 U.S. interstate natural gas transmission companies and use our benchmarking measures to distinguish firms that perform well owing to a superior management of technology from firms that perform well owing to the effective management of the regulatory mechanism.
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  • 7
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    Journal of risk and uncertainty 18 (1999), S. 295-320 
    ISSN: 1573-0476
    Keywords: environmental regulation ; norms ; efficiency ; voter perceptions ; distribution ; information
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This paper reports the first detailed empirical examination of the effects of voter cost perceptions on demand for environmental risk regulations. Using a statewide random sample of Washington's electorate, I examine voting behavior for a proposed regulation of gasoline stations under varying cost and distributional assumptions. Results suggest normative concerns are as important in explaining support as are expected risk reduction benefits. These norms include making polluters pay, imposing larger burdens on polluters with higher ability to pay, and enforcing public property rights. In contrast, potential price increases as a result of regulation have negligible effects on voter support.
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  • 8
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    European journal of law and economics 8 (1999), S. 29-49 
    ISSN: 1572-9990
    Keywords: Tort ; causation ; efficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Law , Economics
    Notes: Abstract This paper argues for a reorientation in our thinking concerning the relationship between causation and efficiency in the design of tort law. The main proposition is that efficiency theory has a significant but deferential role to play in understanding appropriate tort law rules in countries where a corrective justice purpose is fundamental to the tort system.
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  • 9
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    Environmental and resource economics 8 (1996), S. 351-366 
    ISSN: 1573-1502
    Keywords: efficiency ; futures markets ; natural resource management ; price stabilisation ; risk aversion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Notes: Abstract Markets for natural resource futures contracts and cash forward contracts experience a rapid growth. According to theory, this should result in more efficient resource depletion, implying that price formation is more consistent with Hotelling's rule. The rationale of this stabilization effect is briefly discussed. Next, we analyze the impact of expanding futures markets on the behaviour of individual resource owners trading on the cash market. Using a simple pulse extraction model, we demonstrate that the expected time of depletion can shift to the present or the future, and that utility of exploitation can go up or down, as market prices are stabilized.
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  • 10
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    Computational economics 13 (1999), S. 93-101 
    ISSN: 1572-9974
    Keywords: efficiency ; multivariate probit ; quasi maximum likelihood ; simulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Economics
    Notes: Abstract This paper discusses the most efficient estimator among Quasi Maximum Likelihood Estimators using at most two levels of numerical integration, for the multivariate probit model. Simulations show that this estimator is more efficient but not more costly than the second-best alternative. However, its added efficiency depends on the correlation structure.
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  • 11
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    Review of quantitative finance and accounting 10 (1998), S. 21-37 
    ISSN: 1573-7179
    Keywords: Financial time series ; ARCH ; non-normality ; generalized method of moments ; optimal choice of instruments ; maximum likelihood ; efficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This paper discusses how conditional heteroskedasticity models can be estimated efficiently without imposing strong distributional assumptions such as normality. Using the generalized method of moments (GMM) principle, we show that for a class of models with a symmetric conditional distribution, the GMM estimates obtained from the joint estimating equations corresponding to the conditional mean and variance of the model are efficient when the instruments are chosen optimally. A simple ARCH(1) model is used to illustrate the feasibility of the proposed estimation procedure.
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  • 12
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    Journal of economics 66 (1997), S. 23-34 
    ISSN: 1617-7134
    Keywords: curvature ; elasticity of substitution ; efficiency ; C60 ; D20 ; O40
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This paper demonstrates that, contrary to deeply rooted beliefs, there is no link between curvature and the elasticity of substitution. We show that there is no direct, nor inverse, relationship between the two concepts, if curvature of the isoquant is defined either in its strict mathematical sense or as the isoquant's second derivative. We finally suggest to view the elasticity of substitution as an efficiency parameter.
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  • 13
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    Journal of economics 67 (1998), S. 17-38 
    ISSN: 1617-7134
    Keywords: environmental standard ; market structure ; abatement ; efficiency ; Q28 ; H23 ; D62
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract The paper considers relative standards which limit the level of emissions per unit of output. The representative firm is characterized by a cost function describing the actual production process, a separate abatement technology, and the fact that (gross) emissions are proportional to output. At first, the implications of a relative standard and of its marginal change for a single firm are examined. It is shown that the standard cannot be replaced by a corresponding tax. Afterwards a positive analysis is performed for an industry consisting of identical firms under perfect competition. Comparative statics are used to analyze the impacts of changes in the relative standard in a short-run and long-run equilibrium. It turns out that the standard always possesses a price effect. Moreover the relevant factors which govern price, quantity, and profit changes are revealed. Then the paper characterizes the optimal standard for the same framework. A main result is that the first-best allocation can never be obtained by means of a relative standard, even if firms are identical. The influence of the demand and supply side on an optimal standard can be demonstrated since the underlying model is simple and transparent. The resulting market price is compared to social marginal costs. Finally the investigation is extended to monopoly and symmetric oligopoly.
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  • 14
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    Empirica 23 (1996), S. 229-253 
    ISSN: 1573-6911
    Keywords: Antimerger policy ; United States ; Europe ; efficiency ; L41 ; G34 ; L21
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This paper reviews the history of US antimerger policy. This history is divided into three periods: a period in which there was almost no effective antimerger policy at all from 1890 up to 1959, a period of vigorous antimerger policy from 1950 up through 1973, and a period of lax enforcement from 1974 to the present. The paper accounts for these shifts in antimerger policy and discusses their effects. After reviewing the logic and consequences of US antimerger policy, a critique of its permises is offered, particularly as these premises apply to the recent era of lax enforcement. The paper closes with suggestions for an alternative approach to antimerger policy that is consistent with the empirical evidence on why mergers occur and their effects.
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  • 15
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    Open economies review 10 (1999), S. 395-414 
    ISSN: 1573-708X
    Keywords: international tax competition ; capital controls ; tax cooperation ; endowments ; efficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract Tax competition between independent authorities is known to lead to inefficient outcomes, implying there is scope for cooperation. In an international framework where the authorities are national governments, the undesirable features of tax competition may alternatively be mitigated by imposing restrictions on international capital flows. Using a two-country model it is shown that capital controls may fully remedy the adverse effects of tax competition and thereby render tax cooperation superfluous. In more general cases, however, capital controls have some undesirable side-effects, leaving room for cooperative actions. Moreover, the mere option of imposing capital controls may promote the implementation of tax cooperation.
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  • 16
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    Review of industrial organization 12 (1997), S. 95-139 
    ISSN: 1573-7160
    Keywords: Bank ; merger ; efficiency ; profit ; price ; antitrust
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This paper examines the efficiency and price effects of mergers by applying a frontier profit function to data on bank ‘megamergers’. We find that merged banks experience a statistically significant 16 percentage point average increase in profit efficiency rank relative to other large banks. Most of the improvement is from increasing revenues, including a shift in outputs from securities to loans, a higher-valued product. Improvements were greatest for the banks with the lowest efficiencies prior to merging, who therefore had the greatest capacity for improvement. By comparison, the effects on profits from merger-related changes in prices were found to be very small.
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  • 17
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    Review of industrial organization 13 (1998), S. 467-486 
    ISSN: 1573-7160
    Keywords: Conservation programs ; strategic reactions ; efficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This paper reviews the United States' experience with utility sponsored energy conservation programs. Such programs are central to the recent discussions about electric utility regulation in the United States and elsewhere. First it is shown that these programs are exposed to three problems on the consumers' side – rebound, adverse selection and moral hazard – which lower the effectiveness of conservation incentives and impede in most practical cases a reliable quantification of the achieved conservation. Moreover, the utilities have under the regulatory practice an incentive to invest in conservation measures but to limit factual conservation through a proper design of the program. Reviewing the recent literature shows that these four crucial points, which affect many of the applied conservation programs, are either insufficiently covered (rebound and adverse selection) or neglected entirely (moral hazard and regulated utilities' interest in little conservation). We conclude, that this undertaking has resulted in insignificant conservation and doubt the adequacy of these programs to reduce external social costs from energy use.
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  • 18
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    Review of industrial organization 14 (1999), S. 115-122 
    ISSN: 1573-7160
    Keywords: Antitrust ; competition ; anarchist ; efficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract Professor Barnes responds to William Curran's fictional dialogue between Senator John Sherman and philosopher John Rawls, with a fictional letter from Supreme Court Justice William O. Douglas. Professor Barnes discusses the importance of the anarcho-socialist movement of the late nineteenth century to the adoption of the Sherman Act, the historical and logical inevitability of adoption of a rule of reason in antitrust law, the relevance of efficiency to the rule of reason, and the relationship between competition and the promotion of democratic ideals.
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  • 19
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    Review of industrial organization 14 (1999), S. 377-390 
    ISSN: 1573-7160
    Keywords: Market power ; CAPM ; concentration ; efficiency ; entry barriers ; systematic risk
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract A number of studies have used the Capital Asset Pricing Model (CAPM) to integrate product market and financial theories of the firm. We reexamine the relationship between product market structure and systematic risk at the firm and industry level. We show that theory yields no testable implications at the firm level. We show, however, that there is a relationship between the intraindustry dispersion of systematic risk and industry concentration which depends on the causes and consequences of concentration. Estimates of the relationship between the intraindustry variance of β and concentration for a 1987 cross-section of U.S. industries suggest that concentration allows larger firms to exercise market power.
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  • 20
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    Journal of management & governance 3 (1999), S. 203-229 
    ISSN: 1572-963X
    Keywords: conjecture probabilities ; efficiency ; equilibrium strategies ; non-cooperative game ; subgame perfect ; takeovers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract Takeover and acquisition of corporations is awell-researched area and has been becomingincreasingly important. Much less research emphasishas been devoted to takeover activity within thegeneral area of financial services with thisparticularly the case for the building society sector. The building societies being mutual companies havespecial characteristics. The building societies andother financial mutuals like the corporations doencounter an acute agency problem. This opens up apotential application of Grossman and Hart theory oftakeovers bids as the individuals have option to freeride, securing knowledge that the regulatory processrenders their deposits de facto risk-free investment.This free-rider problem, like the corporations can beovercome by inducing hostile takeover. Some empirical studies of mergers activities withinthe building society sector have dealt with onlyintra-sectoral mergers. However, they have not lookedat inter-sectoral mergers and have not addressedefficiency issues in a general equilibrium frameworkusing game theory. In this paper I suggest a mechanism for merger at parwith sales of stocks of a corporation to organisebuilding societies' takeovers. I develop a two-stagegame between the members of building societies and theraider. Analysis of non-cooperative voting behaviourof members of Cheltenham and Gloucester buildingsociety shows that the actions of the members of thebuilding society may also give rise to less thanoptimal results as they may not be acting in their bestinterests. The members of the building society cangain if a hostile takeover is induced rather than afriendly takeover. The paper also examines the freerider problem and ex-ante efficiency in a generalequilibrium framework.
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  • 21
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    The journal of real estate finance and economics 18 (1999), S. 259-277 
    ISSN: 1573-045X
    Keywords: buyer brokerage ; efficiency ; incentives ; search ; externalities
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This article examines the incentive and efficiency implications of buyer brokerage. We show that it is possible to perfectly align the interests of the seller with those of his agent and the interests of the buyer with those of his agent. Furthermore, effort levels can be efficient. This result is a departure from earlier conclusions in the literature that the agent's effort level can neither be perfectly aligned with the principal's interests nor be efficient. The departure is primarily due to the feature of our model that it recognizes the costs as well as the benefits of an agent's effort to her principal, and vice versa. Finally, we discuss the implications of buyer brokerage for the future of MLS services.
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  • 22
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    Environmental and resource economics 14 (1999), S. 33-49 
    ISSN: 1573-1502
    Keywords: climate change ; emission reduction ; efficiency ; cost-effectiveness ; equity ; JEL classification: Q25, Q40
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Notes: Abstract FUND is an integrated assessment model of the interactions between climate and economy. Nine world regions emit greenhouse gases, and suffer damages from climate change. A number of greenhouse gas emission reduction policies are compared, including optimal and cost-effective strategies, strategies with early and late abatement, and strategies with and without international co-operation. The analyses confirm that co-operation matters, resulting in substantially lower costs or higher welfare. The real commitments of policy targets based on an absolute level (e.g., 1990 emissions) are hard to estimate because of the uncertainties in the baseline. Postponing action conflicts with minimising costs and maximising welfare, but so does sharp emission reduction at the short-term as proposed in the Kyoto Protocol.
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