Nin A, C Arndt and PV Preckel (2003). “Is Agricultural Productivity in Developing Countries Really Shrinking? New Evidence Using a Modified Nonparametric Approach.” J Development Economics 71(2): 395-415.

Nin A, C Arndt and PV Preckel (2003). “Is Agricultural Productivity in Developing Countries Really Shrinking? New Evidence Using a Modified Nonparametric Approach.” J Development Economics 71(2): 395-415.

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