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Appendix A great: Empirical design? ? After the Shakya and you may Flinn (1985), new empirical model for this data are given the following: Y* = ? + ? X + ? and you may Y = g(Y*) in which Y=Y* to have Y* > 0 Y = 0, if you don’t
Y* are an inventory reflecting the latest mix effectation of X (character certain and you can tech specific) points that influence use decision. Y* i s maybe not observable. What’s, although not, seen is whether or not new farmer enters technology (when Y* >0) or otherwise not ( when Y* =0). Where Y is the area (ha) under enhanced maize variety, X can be as discussed significantly more than, ? , ? is actually parameters getting estimated and you can ? try a stochastic mistake identity The likelihood of use and employ intensity is estimated utilising the following conditional assumption mode: E(Y|Y*) = Y*.F(Y*/?) + ? .f(Y*/?