filter-down theory of economic progress

例句：

1. 1. The filter-down theory of economicprogress suggests that technological innovations can havea significant impact on the overall economic performance.
   经济进步的过滤向下理论表明，技术创新可以对整体经济表现产生重大影响。
2. 2.This theory has been widely accepted by economists and policymakers, who believe itcan help guide the development of new industriesand technologies.
   这一理论已被经济学家和政策制定者广泛接受，他们认为它可以帮助指导新兴产业和技术的发展。
3. 3. In practice, the filter-down theory of economic progress has beenused to analyze the impact of government policieson the economy, such as tax cutsand trade liberalization.
   在实践中，经济进步的过滤向下理论被用来分析政府政策对经济的影响，如减税和贸易自由化。