New PDF release: An Introduction to Efficiency and Productivity Analysis

By Tim Coelli

ISBN-10: 0792380622

ISBN-13: 9780792380627

ISBN-10: 1461554934

ISBN-13: 9781461554936

An creation to potency and productiveness Analysis is designed as a primer for someone looking an authoritative advent to potency and productiveness research. it's a systematic therapy of 4 quite new methodologies in Efficiency/Production research: (a) Least-Squares Econometric creation versions, (b) overall issue productiveness (TFP) Indices, (c) information Envelopment research (DEA), and (d) Stochastic Frontiers. each one strategy is mentioned completely. First, the fundamental components of every procedure are mentioned utilizing types to demonstrate the method's basics, and, moment, the dialogue is accelerated to regard the extensions and types of each one method's makes use of. eventually, a number of case experiences are supplied as an entire representation of the way every one method can be utilized. moreover, all 4 methodologies can be associated within the book's presentation via interpreting the benefits and downsides of every strategy and the issues to which every technique may be so much definitely utilized. The ebook bargains the 1st unified textual content presentation of tools that may be of use to scholars, researchers and practitioners who paintings within the growing to be zone of Efficiency/Productivity research.
The ebook additionally presents unique recommendation on desktop courses that are used to calculate many of the measures. This includes a couple of shows of machine directions and output listings for the SHAZAM, TFPIP, DEAP and FRONTIER desktop courses.

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Example text

In practice, one would normally specify a profit function (which has appropriate properties that will be defined shortly), estimate the function using sample data (say using econometrics), and then use Hotelling's Lemma to derive the output supply and input demand equations. BIn the cost minimisation case the (fixed) output will also appear on the RHS. 45 ADDITIONAL TOPICS IN PRODUCTION ECONOMICS Hotelling's Lemma Hotelling's Lemma, which is derived from the envelope theorem,9 states that the first partial derivatives of the profit function with respect to each of the input prices define the negative of the input demand functions.

4 Returns to Scale and Other Measures Returns to scale (RTS) is a long-run concept which reflects the degree to which a proportional increase in all inputs increases output. Constant RTS occurs when a proportional increase in all inputs results in the same proportional increase in output. For example, if doubling labour and capital results in a doubling of output, then this is evidence of constant RTS. Increasing RTS occurs when a proportional increase in all inputs results in a more than proportional increase in output, while decreasing RTS exists when a proportional increase in all inputs results in a less than proportional increase in output.

The estimate of the coefficient, bb provides an estimate of the annual percentage change in output resulting from technological change. 47 can be adjusted in a similar manner to account for technological change. However, since the trans log is a II The translog functional form is one of a class of functional forms known as flexible functional forms. These provide a second-order local approximation to any functional form. Another example of a flexible form is the quadratic. 12 See Zellner and Revankar (1969).

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An Introduction to Efficiency and Productivity Analysis by Tim Coelli


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