2.  Limit the amount of water being taken from rivers and limit the amount of pollution going into them so that our river water quality is safe enough for swimming. We will do this by overhauling and strengthening the current weak National Policy Statement for Freshwater Management, implementing a strong National Environmental Standard (NES) for both water quality and water flows in rivers, all of which will be geared to make our rivers clean and healthy enough for swimming.
This example text from a political party manifesto is favourable towards supply side economic policies supporting businesses, for example for incentives like subsidies or tax breaks