Colombian coca cultivation fell dramatically between 2000 and 2015, a period that saw intense U.S.-backed eradication and interdiction efforts. That progress reversed in 2015, when peace talks and legal rulings in Colombia opened enforcement gaps. Coca plantation has since increased to record...

Glucagon-like peptide-1 receptor agonists (GLP-1s) represent a major improvement in treatment of diabetes, obesity, and cardiovascular risk reduction, but they are also among the most expensive drugs in widespread use and the subject of significant policy debate. The high price of these drugs...

We study whether low-economic-mobility neighborhoods can be transformed into high-mobility areas by analyzing the HOPE VI program, which invested $17 billion to revitalize 262 distressed public housing developments. We estimate the program's impacts using a matched difference-in-differences...

Reaching for a new deal: ambitious governance, economic meltdown, and polarized politics / Theda Skocpol, Lawrence R. Jacobs -- Hard-fought legacy: Obama, congressional democrats, and the struggle for comprehensive health care reform / Lawrence R. Jacobs, Theda Skocpol -- Eliminating the market...