Before revision:  The dataset consists of gridded data spanning over 21 years ( 1993--2013 ), while the methodological strategy makes use of a spatial dynamic panel data (SDPD) model that accounts for both space and time fixed effects, besides dealing with both space and time dependences.
After revision:  The dataset consists of gridded data spanning over 21 years ( 1993-2013 ), while the methodological strategy makes use of a spatial dynamic panel data (SDPD) model that accounts for both space and time fixed effects, besides dealing with both space and time dependences.