Could a Disc-Free PlayStation Actually Lower Game Prices?

"As Sony soldiers ahead with their plans to end hard copies for new PlayStation games, players are fearing a future which will force them to pay more and own less," writes Kotaku.
What will prices do in a world with no physical copies to share or sell? One former Square Enix executive speculates this could actually drive down the price of games:"Digital on the PS store will likely get cheaper," posted Jacob Navok, former Square Enix business strategist. "Current prices are tied to retail. Withou