Conventions are not about substance, whether they are democrat or republican. They are about the Rah Rah factor; to get their own party to rally around the chosen candidate and no other purpose whatsoever.
Economies don't need "fixing" by governments as a generality. They go in cycles, always have, always will. We, as a nation, had a booming period, time to take a break from it or else inflation will eat us up. A mild recession is good for the economy as a whole, brings growth down so prices will ease which will in turn stimulate growth, but it takes time. There will be some hard times for some, it's just life. Sounds harsh but that is the reality of it. Learn a new skill, move to where there is work, whatever, just don't sit there and complain that someone else isn't doing enough for you, that's your job.
IMO what needs fixing in government is the same as what needs fixing in most homes; accountability and spending. A balanced budget amendment would be a welcomed addition to me but no one wants to talk about it on a public level.
Very few people are in situations that they, themselves, did not get themselves into or cannot get themselves out of, yet refuse to be accountable for that and look to gov't to bail them out. Whether it be corporate welfare or personal welfare, it's usually very much the same situation; someone acted recklessly and wants someone else to take responsibility. To me, it is a sickness in the American culture and needs to be addressed as such.
When folks are in a good place, the status quo is just fine, because they are in a good place. When folks are not in a good place - they cry for change even though the reason they're not in a good place is (usually) their own fault and they have the power to get themselves out of it - just not the initiative, which again - is not the government's responsibility, it's yours.
No government policy is going to improve the quality of your life, that is entirely up to you. OTOH, governmental policy routinely destroys the quality of life for many, on many levels.
/soapbox
If it matters, I'm neither republican nor democrat, they both sicken me. They both run on diametrically opposed platforms for no other reason to be diametrically opposed, this is not a logical response to any situation and the hypocrisy therein is astounding. Most folks are somewhere in the middle with certain tangential beliefs that can/will reach into both extremes.
