I can tell you right now that btc price will not double overnight, the decrease in inflation rate is tiny compared to 10m+ coins outstanding.
The bitcoin price is determined by the flow of people selling coins versus the flow of people buying coins. The amount of coins issued can effect this flow, but the number of coins minted certain has an effect. There's only 61K bitcoins between the current price and $14. With 3600 coins no longer being minted each day, this should tilt the flow to eat through that in a few weeks.