We thank D. Carey and R. Dassanayake for excellent research assistance. We thank Erik Brynjolsson, Colin Camerer, J. Holz, A. Listo, Sendhil Mullainathan, and Hal Varian for their helpful comments and discussions. We thank A. Listo and J. Holz…
We thank D. Carey and R. Dassanayake for excellent research assistance. We thank Erik Brynjolsson, Colin Camerer, J. Holz, A. Listo, Sendhil Mullainathan, and Hal Varian for their helpful comments and discussions. We thank A. Listo and J. Holz…