University of Fribourg, University of Fribourg - Adolphe Merkle Institute, University of Fribourg - Adolphe Merkle Institute, University of Fribourg - Adolphe Merkle Institute, University of Fribourg - Adolphe Merkle Institute, University of Fribourg - Adolphe Merkle Institute, University of Fribourg - Adolphe Merkle Institute, University of Fribourg - Adolphe Merkle Institute, Cornell University, affiliation not provided to SSRN, University of Fribourg - Adolphe Merkle Institute and University of Fribourg - Adolphe Merkle Institute