original: while at the cowles foundation , his research focused mainly on neo-classical growth theory , following the seminal work of solow .
simplifications: at the cowles foundation he followed the important work of solow in neo-classical growth theory . at cowles foundation he researched neo-classical growth theory , furthering the work of solow . while at the cowles foundation , his research concentrated mainly on neo-classical growth theory , following the major work of solow . while at the cowles foundation , he focused his research mainly on neo-classical growth theory , following the seminal work of solow . while at the cowles foundation , his studies were mainly about neo-classical growth theory , talking about the work of solow . while at the cowles foundation , his research focused mainly on new-classical growth explanation -lrb- of why something works or happens the way it does -rrb- , following the very important work of solow . during his time at the cowles foundation , his research was focused on neo-classical growth theory much the same as the seminal work of solow . while at the cowles foundation , his research at looked mostly at neo-classical growth theory , following the important work of solow .