They published the paper "The Tragedy of the Nomenklatura: Career Incentives and Political Radicalism during China's Great Leap Famine" in APSR.
A paper in Journal of Contemporary China questioned the dataset they constructed has serious problems.
"A Tragedy of the Nomenklatura? Career incentives, political loyalty and political radicalism during China's Great Leap Forward"
Somebody also questioned their coding. In the paper they reported OLS results, but they claimed that those were FE results.
Can we trust their other work?