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| Author: | Blancett, R. S. |
| Title: | Learning From Productivity Learning Corves |
| Journal: | Research Technology Management
2002 : MAY-JUN, VOL. 45:3, p. 54-58 |
| Index terms: | LEARNING PRODUCTIVITY PRODUCTIVITY MEASUREMENT PERFORMANCE APPRAISAL |
| Language: | eng |
| Abstract: | Forecasting process productivity performance during the early phases of commercialization often underestimates learning rates associated with new platform technologies. In the widely-used log-linear model initially developed in 1936, productivity is correlated to cumulative production or experience. USG Corporation has used the model to analyze productivity performance of first- and later- generation technology platform start-ups since the early 1980s. Results of these analyses support the log-linear model. Three distinct productivity periods were identified consisting of a stagnant (early) period, a period dominated by rapid gains in conversion efficiencies and process reliability, and a final period associated with capacity gains through process speed-ups. |
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