search query: @author Heshmati, A. / total: 5
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| Author: | Kumbhakar, S. Heshmati, A. Hjalmarsson, L. |
| Title: | Temporal patterns of technical efficiency: results from competing models |
| Journal: | International Journal of Industrial Organization
1997 : AUG, VOL. 15:5, p. 597-616 |
| Index terms: | INDUSTRIAL ORGANIZATION EFFICIENCY MODELS |
| Language: | eng |
| Abstract: | In recent years several models have been proposed to estimate time-varying technical efficiency. These models differ to a great extent in specification and estimation. This paper undertakes a comparison between different specifications proposed in earlier research. The models are used to estimate the technical efficiency of 15 Colombian cement plants observed in the period 1968-1988. The efficiency scores and the time path of efficiency are found to vary substantially across models. |
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