RT Journal Article T1 Hypothesis Testing by Comparison of the Results Obtained from Different Data Bases and Estimators: An Application to Export and Import Functions in Spain A1 Escribano, Álvaro PB Universidad de Zaragoza. Departamento de Estructura Económica y Economía Pública SN 1133-455X YR 1998 FD 1998 LK https://hdl.handle.net/10016/2557 UL https://hdl.handle.net/10016/2557 LA eng LA eng DS e-Archivo RD 19 may. 2024