The data is available for a fee (and under conditions). See: https://data.cpc.unc.edu/projects/2/view
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allfunction.R: It's an R script collecting all of the functions called by the other scripts. This script does not have to be launch manually. It is launched by the other scripts.
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import.do: This do-file has to be lauched FIRST. It keeps the relevant variables from the original datasets and merges them in a single file.
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children.R: This Rscript has to be launched SECOND. It maximizes the joint likelihood P(G,s). Estimates are saved in the file "outestim_partial.RData". Produces Table 1--4.
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parents_clusters.R: This Rscript has to be launched THIRD. It performs OLS estimates, with bootstrapped SE for the parents' model. It uses "outestim_partial.RData" as input. The overall results are saved in "outestim_final.RData". Produces Table 5 and Figure 2--3.
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policy.R: This Rscript has to be launched FOURTH. It performs counterfactual policy simulations. It uses "outestim_final.RData" and the results are saved in "total_withpolicy.RData". Produces Figures 5--7.
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"additional_tables.R": Produces Figures C.1 and C.2
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"modelfit.R": Homophily fit. Produces Figure 4 and Table C.3.
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"parents_het.R": Finite mixture model. Produces Tables C.1 and C.2