Texas Econometrics Camp XVIII, Austin, Texas, 2013
Texas Econometrics Camp XVII, Houston, Texas, 2012
The Workshop on Chinese Productivity, Tsinghua University, Beijing, China, 2012
Texas Econometrics Camp XVIII, Austin, Texas, 2013
Texas Econometrics Camp XVII, Houston, Texas, 2012
The Workshop on Chinese Productivity, Tsinghua University, Beijing, China, 2012