159 research outputs found

    Finding Common Ground: Efficiency Indices

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    The last two decades have witnessed a revival in interest in the measurement of productive efficiency pioneered by (1957) and (1951). 1978 was a watershed year in this revival with the christening of DEA by (1978) and the critique of Farrell technical efficiency in terms of axiomatic production and index number theory in Fare and (1978). These papers have inspired many others to apply these methods and to add to the debate on how best to define technical efficiency.Efficiency Measurement, Russell Efficiency, Farrell Efficiency

    Generalized Quadratic Revenue Functions

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    In this paper we focus on specification of revenue functions in their dual price space. We consider two distance functions, both dual to the revenue function: Shephard output distance function and the directional output distance function, both in price space. The former is multiplicative, satisfying homogeneity, the latter is additive satisfying transitivity. Functional equation methods yield translog specification for the Shephard case and quadratic for the directional case. Monte Carlo evidence suggests that the quadratic specification more precisely represents technology.

    Allocative inefficiency and school competition

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    A substantial literature indicates that the public school system in the United States is inefficient. Some have posited that this inefficiency arises from a lack of competition in the education market. On the other hand, the Tiebout hypothesis suggests that public schools may already face significant competition. In this paper, the authors examine the extent to which competition for students influences public school inefficiency in Texas. They use a Shephard input distance function to model education production and use bootstrapping techniques to examine allocative inefficiencies. Switching regressions estimation suggests that school districts in noncompetitive metropolitan areas are more than twice as allocatively inefficient as school districts in competitive metropolitan areas.Competition ; Education

    Revisiting the quiet life hypothesis in banking using nonparametric techniques

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    Early studies testing the quiet life hypothesis in banking found strong evidence that banks in more concentrated markets exhibit lower cost efficiency levels. More recent studies have reexamined the issue in different contexts with mixed results. These approaches are based on stipulating a linear relationship between market power and efficiency in banking, which might be problematic, as suggested by the literature on efficiency analysis. We explore how bank cost efficiency measures are related to market power using flexible techniques, which are more consistent with those employed to measure efficiency in the first stage of the analysis. Our study focuses on the Spanish banking industry, which has been experiencing substantial change in the last few years, combining institutions with different ownership structures and business models. Results show that the relationship varies according to the level of market power, the component of efficiency evaluated (cost, technical or allocative) and the type of banking firm (commercial bank or savings bank), suggesting that the quiet life might be a reality only for some financial institutions
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