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First Author:
 
Raul Ramos
AQR-IREA, Universitat de Barcelona
rramos@ub.edu
 
Dept. d''Econometria, Estadística i Econ. Apl., Av. Diagonal 690
Barcelona, 08034, Spain
 
 
 
https://www.raulramos.cat

Second Author:

Esteban Sanromá
Universitat de Barcelona, IEB
esanroma@ub.edu
 
Departament d''Economia, Av. Diagonal 690
Barcelona, 08034, Spain
 
 
 

Third Author:

Runhan Ye
Universitat de Barcelona
ryeyexxx69@alumnes.ub.edu
 
Facultat d''Economia i Empresa, Av. Diagonal 690
Barcelona, 08034, Spain