About the Authors
Shirin A. Ahmed
is Assistant Division Chief for Post-collection Activities in the U.S.
Census Bureau’s Economic Planning and Coordination Division. She holds a B.S. in Busi-
ness and Economics from the University of Maryland and an M.A. in Economics from
Georgetown University. Starting at the Bureau in 1979, Ms. Ahmed has worked on all pro-
cessing phases associated with the current surveys for Services Division. Since 1994, she
has been actively involved with the post-collection activities for both the Economic Census
and the current programs.
Carole A. Ambler
is Chief of Service Sector Statistics Division at the U.S. Census
Bureau. She also is the current chairperson of the Economic Classification Policy Commit-
tee (ECPC)—the interagency committee chartered by the Office of Management and Bud-
get to develop the North American Industry Classification system. Prior to this
appointment, she served as coordinator of the ECPC and was responsible for coordinating
the project among various U.S. government agencies, Canada, and Mexico. She joined the
Bureau in 1966 after graduating from Indiana University with a degree in Business Eco-
nomics and Public Policy.
Lawrence A. Blum
is Assistant Division Chief for Collection Processes in the U.S.
Census Bureau’s Economic Planning and Coordination Division. He joined the Bureau in
1967 after graduating from Utica College of Syracuse University with a B.S. in Mathe-
matics. He has been involved in all phases of the Economic Census and is currently
responsible for data collection operations for the quinquennial Economic Census and the
Judy M. Dodds
is the Assistant Division Chief for Census and Related Programs in the
U.S. Census Bureau’s Manufacturing and Construction Division. She joined the Bureau in
1970 after graduating from Florida State University. She has worked on various programs
throughout the Bureau. She is currently responsible for the Census sectors of Construction,
Manufacturing and Mineral Industries, as well as the Annu