Catch-up and Fall-back through Innovation and ImitationJess Benhabib, Jesse Perla, Christopher Tonetti
NBER Working Paper No. 18091 ---- Acknowledgements ----- We would like to thank Boyan Jovanovic and Tom Sargent for useful feedback. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research. |

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