3 citations · 4 across the 2 of their papers we have counts for
3 papers
econ.GN2021★ 3 cited
Geographic Spillover Effects of Prescription Drug Monitoring Programs (PDMPs)
Daniel Guth, Shiyu Zhang
Prescription Drug Monitoring Programs (PDMPs) seek to potentially reduce opioid misuse by restricting the sale of opioids in a state. We examine discontinuities along state borders…
econ.GN2021★ 1 cited
The OxyContin Reformulation Revisited: New Evidence From Improved Definitions of Markets and Substitutes
Shiyu Zhang, Daniel Guth
The opioid epidemic began with prescription pain relievers. In 2010 Purdue Pharma reformulated OxyContin to make it more difficult to abuse. OxyContin misuse fell dramatically, and…
cs.CL2015
Persistent Topology of Syntax
Alexander Port, Iulia Gheorghita, Daniel Guth +4
We study the persistent homology of the data set of syntactic parameters of the world languages. We show that, while homology generators behave erratically over the whole data set,…