given the scale of resources and the number of projects involved bicro has so far nurtured a small sector essentially hedging its bets on a few contenders each of which has an uncertain probability of successful employment creation and longterm sustainability this approach can be useful for capturing serendipitous and radical ideas and has a nonnegligible probability of a reasonably strong economic impact if pursued vigorously over a sufficiently long period however it cannot be the main basis of support for businesssector innovation as a whole