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Hongbin Li is a senior fellow of Stanford Institute for Economic Policy Research (SIEPR), Stanford University, USA.

James Liang is a professor in the National School of Development, Peking University, China.

Binzhen Wu is an associate professor of the School of Economics and Management, Tsinghua University, China (corresponding author).

Otto Kässi () is a researcher at ETLA Economic Research, a senior researcher at Turku Centre for Labour Studies, University of Turku, and a research associate at the Oxford Internet Institute, University of Oxford.

Vili Lehdonvirta is Professor of Economic Sociology and Digital Social Research at the Oxford Internet Institute, University of Oxford.

Lauren E. Jones is an associate professor in the Glenn College of Public Affairs at The Ohio State University.

Mark Stabile is the James M. and Cathleen D. Stone Distinguished Chair in Wealth Inequality and Professor of Economics at INSEAD and CEPR (corresponding author: .

Kourtney Koebel is a postdoctoral fellow in the Department of Economics and the Institute for Gender and the Economy at the University of Toronto.

Jill Furzer is a Senior Economist at Keystone Strategy.

Julie Berry Cullen is professor of economics at University of California, San Diego and research associate at NBER.

Eric A. Hanushek is Paul and Jean Hanna Senior Fellow in Education, Hoover Institution, Stanford University, senior research fellow at University of Texas at Dallas, and research associate at NBER.

Gregory Phelan is assistant professor of economics at Kennesaw State University.

Steven G. Rivkin is professor of economics at University of Illinois at Chicago, senior research fellow at University of Texas at Dallas, and research associate at NBER.