As economic counsel to Congressman Jack Kemp , he drafted the Kemp - Roth bill ( which became the Economic Recovery Tax Act of 1981 ) .
From 1975 to 1978 , Roberts served on the congressional staff .
As economic counsel to Congressman Jack Kemp , Roberts drafted the Kemp - Roth bill ( which became the Economic Recovery Tax Act of 1981 ) .
From 1975 to 1978 , Roberts served on the congressional staff .