Japan’s politicians are expected to vote this week on a law to provide tax breaks of up to 80% for corporate venturing.

This is the latest of recent government-sponsored initiatives around the world, including France’s fiscal incentive scheme, which allows businesses to depreciate their minority participation in the capital of an innovative small- and medium-sized enterprises over a period of five years, and Turkey’s act that effectively allows corporations to deduct from their annual taxable income all the money they…