Most of the driving of new desires is done by individual companies in the private sector though. Apple aren&#x27;t trying to stimulate aggregate demand each time they release a new phone, they&#x27;re trying to increase their future profits, just like every other company before them.<p>Keynesianism ensures these companies can borrow more cheaply in an economic downturn, as can the less-likely-to-lose-their-job consumers. But it&#x27;s lubricating the process of creating new markets rather than powering it.