Participants in the three-day Afghan Development Forum planned to debate strategies for rebuilding Afghanistan rather than produce new aid pledges.
Karzai said there should be a "more aggressive" economic policy that includes restoring power and irrigation systems as well as an intensified road-building program. He said a second priority is training staff for the country's skeletal ministries.
Karzai's government adopted a $4.75 billion budget on 2 April for the current year, 93 percent of it financed by donors. The government's budget is binding in the absence of a national parliament to approve budget legislation.