Notes
The data and its documentation were assembled with assistance from Grigoris Emvalomatis. David Schimmelpfennig and Colin Thirtle also provide useful pointers to acquiring missing data series.
Thirtle CG, Schimmelpfennig DE, Townsend RF (2002) Induced innovation in United States Agriculture, 1880–1990: time series tests and an error correction model, Am J Agric Econ 84(3):598–614.
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Appendix A. J Prod Anal 30, 89–91 (2008). https://doi.org/10.1007/s11123-008-0089-3
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DOI: https://doi.org/10.1007/s11123-008-0089-3