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Update food-demand.R #47

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Merged
kanishkan91 merged 1 commit into from
Oct 23, 2025
Merged

Update food-demand.R #47

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13 changes: 6 additions & 7 deletions R/food-demand.R
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ food.dmnd <- function(Ps, Pn, Y, params, rgn=NULL,staples_FE=0,bias_adder_s=0,bi
alpha.m <- resid / Y

if(is.null(rgn))
data.frame(Qs=qs, Qn=qn, Qm=qm, alpha.s=alpharslt[1,], alpha.n=alpharslt[2,], alpha.m=alpha.m)
data.frame(Qs=qs, Qn=qn, Qm=qm, alpha.s=alpharslt[1,], alpha.n=alpharslt[2,], alpha.m=alpha.m) %>% mutate(Qs=ifelse(Qs<0.6,0.6,Qs))
else
data.frame(Qs=qs, Qn=qn, Qm=qm, alpha.s=alpharslt[1,], alpha.n=alpharslt[2,], alpha.m=alpha.m, rgn=rgn)
}
Expand Down Expand Up @@ -176,8 +176,6 @@ calc1q <- function(Ps, Pn, Y, eps, Ysterm, Ynterm, Acoef,psscl,pnscl,staples_FE,
Qs <- (Acoef[1] * Ps^eps[1] * Pn^eps[3] * Ysterm)+staples_FE+bias_adder_s
Qn <- (Acoef[2] * Ps^eps[2] * Pn^eps[4] * Ynterm)+bias_adder_ns

Qs <- max(Qs,0)
Qn <- max(Qn,0)

## Check the budget constraint
alpha.s <- Ps*Qs/Y / psscl
Expand All @@ -197,10 +195,11 @@ calc1q <- function(Ps, Pn, Y, eps, Ysterm, Ynterm, Acoef,psscl,pnscl,staples_FE,
alpha.n <- 0
alpha.s <- food.budget
}
Qs <- alpha.s * Y/Ps
Qn <- alpha.n * Y/Pn
Qs <- max(Qs,0.6)
Qn <- max(Qn,0)
Qs <- psscl * alpha.s * Y/Ps
Qn <- pnscl * alpha.n * Y/Pn
Qs <- max(Qs, 0.6)
Qn <- max(Qn, 0)

}
c(Qs, Qn)
}
Expand Down
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