*Code for running "The Politics of Humanitarian Aid: U.S. Foreign Disaster Assistance, 1964-1995"
*Use with data file "politics_of_humanitarian_aid.dta"


*Heckman model appearing in Table 1
heckman hustot94 usally cw cw_ally dem rgdpch deficit property_damage injuries nyt killed homeless drought earth flood storm volcano if(natsel==1), select(usally cw cw_ally dem rgdpch deficit property_damage injuries nyt killed homeless drought earth flood storm volcano)