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- L'écart de Lucas est la différence entre la croissance qu'un système économique aurait dû connaître et la croissance effective qu'elle connaît. L'écart de Lucas permet de mesurer la perte engendrée après un . Cet écart correspond au manque de croissance qui aurait été possible si une crise économique n'avait pas eu lieu, ou si une décision de politique publique n'avait pas été prise. L'écart de Lucas doit son nom à Robert E. Lucas. (fr)
- The Lucas wedge is an economic measure of how much higher the gross domestic product would have been if it grew as fast as it should have. It shows the loss from deadweight caused by poor or inefficient economic policy choices. A Lucas wedge was named after Robert E. Lucas Jr. an American who won the 1995 Nobel Memorial Prize in Economic Sciences for his research on rational expectations. The Lucas wedge is not the same as the Okun's Law. While they are similar and often confused, the gap from Okun's Law measures the difference over a period of time between the actual GDP and the GDP that would have been realized at full employment. Over time the Lucas wedge compounds and increases and so it is usually larger than the gap from Okun's Law. This shows that a real goal of economic policy should be more than just realizing full employment but should also be in investments in productivity which would reduce the Lucas wedge. The Lucas wedge is sometimes expressed in per capita to reflect how much better a person's standard of living would be in the absence of this gap. (en)
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- L'écart de Lucas est la différence entre la croissance qu'un système économique aurait dû connaître et la croissance effective qu'elle connaît. L'écart de Lucas permet de mesurer la perte engendrée après un . Cet écart correspond au manque de croissance qui aurait été possible si une crise économique n'avait pas eu lieu, ou si une décision de politique publique n'avait pas été prise. L'écart de Lucas doit son nom à Robert E. Lucas. (fr)
- The Lucas wedge is an economic measure of how much higher the gross domestic product would have been if it grew as fast as it should have. It shows the loss from deadweight caused by poor or inefficient economic policy choices. A Lucas wedge was named after Robert E. Lucas Jr. an American who won the 1995 Nobel Memorial Prize in Economic Sciences for his research on rational expectations. The Lucas wedge is sometimes expressed in per capita to reflect how much better a person's standard of living would be in the absence of this gap. (en)
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- Écart de Lucas (fr)
- Lucas wedge (en)
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