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Appendix An excellent: Empirical design? ? Following the Shakya and you may Flinn (1985), brand new empirical design for this studies are given below: Y* = ? + ? X + ? and Y = g(Y*) where Y=Y* getting Y* > 0 Y = 0, if not
Y* is actually an inventory highlighting the new combine aftereffect of X (character certain and you will tech certain) products you to definitely influence use decision. Y* we s perhaps not observable. What’s, however, observed is if brand new farmer goes into technology (when Y* >0) or perhaps not ( whenever Y* =0). Where Y ‘s the city (ha) significantly less than increased maize species, X is just as discussed a lot more than, ? , ? are variables become estimated and you may ? is actually a great stochastic error term The chances of use and employ power might be projected with the after the conditional presumption means: E(Y|Y*) = Y*.F(Y*/?) + ? .f(Y*/?