I think that you are missing the point that the ability to raise capital is limited by the market. Anything anyone does to vote in large spending that is not productive will impact share price. This in turn will hurt devs more than help.
Trust has value.
I'm not missing that point, i understand what you want and why you want it. Development is obviously essential but this is just money printing. Adding the value of one thing to another is great (facebook buys oculus rift or PTS + AGS = BTS) but just saying we are issuing x shares for development is not specific enough. All that will happen is shares value will be diluted.
As im typing this i think i see a solution. If a delegate were to ask for a specific sum to complete a specific development then it should work. It would work because in this case the market knows exactly what it is getting and at what price. Then once consensus has been reached and the funds issued the market can decide if it agrees with consensus (and adjust price) and again the market can readjust its opinion/price once the development has been completed and is adding value.
The delegate then earns a reputation based on what they propose and what they deliver.
For this to work I think you would not only have to hard code a % inflation but also hard code a maximum single award. Maybe the maximum award could be increased as reputation (number of completed projects) increases.