it comes to this...

every miner has a vote for how many coins they want in the next reward
all the votes (from every miner) are averaged out every 3600 blocks (5days),
so if there are 2 miners, 1 miner chooses vote 1 and the other chooses 1024, then the reward would be 512 for 5days

choose wisely. if you choose high (1024) the reward could be higher then now but price would drop because more coins would be available
on other hand if you choose low (1) the reward could be lower and probably price would rice because less coins would be available...