I know that it's kinda 'big' question but it will be great to see what the community think about that.
what do you think can cause the price to go up?
This is two different questions, what can make bitcoin more valuable which is topic question? Beign conservative, not innovate too much, leave it to all altcoins and look them burn. Take out best from ashes and progress slowly but surely. This will increase price always.
Price go up from various reasons, most from will to get rich quick.