@David2 first, I’m sorry to hear about your brain injury. My roommate (also an ex-Intel engineer) suffer a similar loss to his cognitive abilities, he thinks after several rounds of cancer treatments. He retains his curiosity but his ability to understand things is diminished.
I think your concerns are 100% valid, so the logical course of action is to think, “well if I can understand how the economy has historically behaved with these conditions I can figure out what to do next.”
I’ve been investing since I was 16, and so this is the start of my 45th year investing and my 21st year in retirement. I’ve been pretty successful at it. Now, plenty of this is luck (super cheap Intel stock options) but I can also say I’ve done things like taking over my parent’s investment back in the early 80s after they retired early (with not enough money) and making them millionaires to know there is some skill involved.
I will say this The last six to seven years have been the most confusing, head-scratching and challenging investing environment, in my life. Stocks are by almost all traditional metrics overvalued. While the interest rates on most bonds are so low, they offer in the word’s of Warren Buffett, “return-free risk”. So there is no good place using traditional financially instruments to invest your 401K funds.
In my opinion, the answer to your basic question is the US going to have a recession is “Yes we will.” But the real question you want to know is will the recession happen in 2020, 2021 or later, is for all intensive purpose is unknowable. IMO, I think is actually a waste of time to trying to figure when it will occur.
I do think it is worth spending a lot of time to trying to figure out how much money you need to have a bare minimum retirement (say $300K) + social security, how much you need for a comfortable retirement say $1.5 million and the amount of money you need to have more than you’d realistically spend say $5-10 million.
Once you know where you need to end up, you can make more intelligent decisions on how much risk you are willing to take. If you need a $1 million to retire and you currently have $900k, and you concerned with 70% depression level stock market crash, you have lots of options. On the other hand, if you need $1 million and you only have $100K then you have no choice but to remain fully invested since it will take you 116 years to make 10X money with 2% bond yields.
There are lots of financial/retirement calculators these two are by far my favorite. https://firecalc.com/
and cfiresim.com.
IMO, this forum while it has plenty of smart folks, isn’t really a great place to get financial advice and the validation you are looking for.
I think you are over 40, but if you are not. I’d suggest https://forum.mrmoneymustache.com if you are over 50 I’d suggest http://www.early-retirement.org. (In your 40s look at both) Both places are filled with people struggling with the same questions you are asking and have lots of people more than happy to give you investment advice and explain their opinion on the economy.
Feel free to shoot me a PM if you have questions.