Instructions: Given a text, write a compressed version of it in a single sentence.
Input: The scenario A reference case assumes a "business-as-usual" characterization of technology development and deployment. As projected in the AEO2001 assessment, the nation's economy is projected to grow at 2.9% per year in the period 2000 through 2020.
Output:
A reference case assumes a "business-as-usual" characterization of technology development and deployment. As projected in the AEO2001 assessment.