This budget will have a net expansionary effect on the economy.

本预算对经济的发展最终会有促进作用。

《牛津词典》

An expansionary budget is being prepared, to help the Thai economy ride out the political storm.

ECONOMIST: The junta's stumbling first steps

In an expansionary budget containing goodies for almost every industry, the government has imposed a windfall-profits tax on producers of palm oil.

ECONOMIST: Winds of fortune on South-East Asia’s farms | The

On the other hand, an expansionary British budget can push it up, and quickly.

ECONOMIST: Inflation