Actually, you are both wrong. Production and consumption by themselves do not yield productivity. Both producers and consumers play equal roles in economic productivity. Without active consumption, producers would be completely unproductive, regardless of efficiency. Productivity comes when people are able to increase their economic leverage through efficiencies, but also able to complete transactions in the market. For instance, despite all of the hate of partial-reserve fiat banking systems by pseudo-economists, they are extremely efficient at getting the most productive value out of the money supply. This is also why the Internet creates economic value, because it's able to more efficiently pair producers and consumers.