Fix the economy how?
Lets go with your housing fixation here, which I'm at least partially thinking is your own obsession coloring your take on what money is worth considering how much you bring it up in all your responses.Solutions: Make more wards. Make instanced housing. Make the gameplay features like gardening and/or FC airship workshops instanced and available to all.
Lets say these ALL happen. Everyone buys a house for 50 million gil (hey they can all be large if they're instanced!) and or gets what they want out of housing.
You personally buy a 50 million gil house for you, all your alts and FC houses as well.
800 million gil, out of the system for you. Max per character is 999,999,999 X 3 (free retainers maxxed out) X 8 characters alts is 23.9 Billion Gil, now 23.1 Billion Gil.
.. I'm not seeing a huge impact for the gil hoarders if the problem is as bad as you imply.
Lets go with ONE character who managed to make it to 1 Billion Gil. which was a world first maybe.. 2 years ago :
http://forum.square-enix.com/ffxiv/t...-a-Gillionaire
Now they have 200 Million gil. I've never seen ANYTHING near this price. From Raids clears to guaranteeing a full set of Primal Savage gear. House flipping is no longer an issue since we've solved housing with the servers (using who knows what money to buy the bandwidth and servers to host the extra load). We have solved very little about the economy. Now everyone has a house, they aren't going to buy another one anytime soon and are welcome to stockpile Gil again. Yet the illegal RMT is still pouring gil into our economy causing the same inflation.