20For more information about defining federal investment for long-term economic growth, see Budget  Choosing Public Investment Programs (GAO/AIMD-93-25, July 23, 1993) and related GAO products listed in appendix V.
This was the first GAO publication on this topic ever published.
mnli hypothesis: This was the first GAO publication on this topic ever published. premise: 20For more information about defining federal investment for long-term economic growth, see Budget  Choosing Public Investment Programs (GAO/AIMD-93-25, July 23, 1993) and related GAO products listed in appendix V.