University of Colorado at Boulder, University of Seville, Seoul National University, Seoul National University, Seoul National University, Kyung Hee University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Korea Advanced Institute of Science and Technology (KAIST), Korea Advanced Institute of Science and Technology (KAIST), affiliation not provided to SSRN, University of Colorado at Boulder and University of Colorado at Boulder