An economic theory that money flowing into the economy, esp. from the government, will stimulate growth by distribution through big business rather than stimulating growth by direct benefits, such as welfare or public works.

利益扩散理论(认为资金，尤其是政府的投资，应该投入经济活动中，透过分配给大企业去刺激经济的成长.这比直接利益，如社会福利和公共事务，更能刺激经济的成长)。