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排序方式: 共有409条查询结果,搜索用时 15 毫秒
21.
Theory and Application of Directional Distance Functions 总被引:4,自引:1,他引:4
In 1957 Farrell demonstrated how cost inefficiency could be decomposed into two mutually exclusive and exhaustive components: technical and allocative inefficiency. This result is consequence of the fact that—as shown by Shephard—the cost function and the input distance function (the reciprocal of Farrell's technical efficiency measure) are dual to each other. Similarly, the revenue function and the output distance function are dual providing the basis for the decomposition of revenue inefficiency into technical and allocative components (see for example, Färe, Grosskopf and Lovell (1994)). Here we extend those results to include the directional distance function and its dual, the profit function. This provides the basis for defining and decomposing profit efficiency. As we show, the output and input distance functions (reciprocals of Farrell efficiency measures) are special cases of the directional distance function. We also show how to use the directional distance function as a tool for measuring capacity utilization using DEA type techniques. 相似文献
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In this paper we focus on the specification of revenue functions in their dual price space. We consider two distance functions–the Shephard output distance function and the directional output distance function–and define both in price space. The former is multiplicative in nature and satisfies homogeneity, whereas the latter is additive and satisfies the translation property. Functional equation methods yield the translog specification in the case of the Shephard distance function and a quadratic specification in the case of the directional distance function. Monte Carlo evidence suggests that the quadratic specification outperforms the translog in large samples and in true models with plenty of curvature. 相似文献
25.
Negotiations for an extension of the Lomé Convention of February 28, 1975 (Lomé I) began — almost unnoticed by the public — on July 24, 1978. An analysis of the experiences with the Lomé Convention and the demands and amendments presented by the contracting parties is offered in the following article.
相似文献26.
Our purpose is to investigate the ability of different parametric forms to ‘correctly’ estimate consumer demands based on distance functions using Monte Carlo methods. Our approach combines economic theory, econometrics and quadratic approximation. We begin by deriving parameterizations for transformed quadratic functions which are linear in parameters and characterized by either homogeneity or which satisfy the translation property. Homogeneity is typical of Shephard distance functions and expenditure functions, whereas translation is characteristic of benefit/shortage or directional distance functions. The functional forms which satisfy these conditions and include both first- and second-order terms are the translog and quadratic forms, respectively. We then derive a primal characterization which is homogeneous and parameterized as translog and a dual model which satisfies the translation property and is specified as quadratic. We assess functional form performance by focusing on empirical violations of the regularity conditions. Our analysis corroborates results from earlier Monte Carlo studies on the production side suggesting that the quadratic form more closely approximates the ‘true’ technology or in our context consumer preferences than the translog. 相似文献
27.
Organizational identification as a determinant of customer orientation in service organizations 总被引:1,自引:0,他引:1
The marketing literature suggests that frontline employees are the central determinant of how customer-oriented a service
organization is perceived to be by its customers. However, little is known about the contingencies of employees’ customer
orientation (CO) beyond personality traits and broadly construed work attitudes. Based on the social identity approach, the
present article develops a multilevel model whereby CO is the result of identity-based management of frontline employees.
Two empirical studies in the travel industry show that employees’ CO depends on employees’ organizational identification and
their leaders’ acting as role models of CO. 相似文献
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The Changing Face of Entrepreneurship in Germany 总被引:1,自引:0,他引:1
This paper explains individual start-up activities on the basis of both person-related characteristics and the regional context.
The analysis is based upon micro data from the GEM adult population survey. Both individual and regional variables have an
influence on the decision to become self-employed. There are considerable differences between nascent opportunity entrepreneurship
and nascent necessity entrepreneurship. Whereas the results for opportunity entrepreneurship are in line with theoretical
predictions the factors influencing necessity entrepreneurship are far more difficult to determine. The most significant change
between 2001 and 2003/2004 is the reversal of the influence of a change in the regional rate of unemployment on nascent entrepreneurship
activities.
相似文献
29.
Understanding the Dynamics of Nascent Entrepreneurship—Prestart‐Up Experience,Intentions, and Entrepreneurial Success 下载免费PDF全文
Rolf Sonderegger 《Journal of Small Business Management》2015,53(4):1076-1096
Understanding the factors driving the successful founding of new firms is a subject of ongoing interest. We link prestart‐up experience and intentions of nascent entrepreneurs to the shape of the entrepreneurial gestation process and eventually to successful founding. By experience, we mean previous entrepreneurial activities, labor market experience, and formal education, and by intentions, we mean commitment and ability expectations. We test our predictions on a longitudinal data set that tracks nascent entrepreneurs' venture creation efforts over a five‐year time span and find evidence supporting them. Against this background, our findings also show that when controlling for the possible endogeneity of the activities carried out, a later temporal concentration of organizing activities enhances the probability of successfully founding. Our research contributes to a better understanding of contextual antecedents of the shape of gestation process and the way experience and intentions affect the successful creation of new ventures. Implications for theory and practice are discussed. 相似文献
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