会计硕士with good 发展前景needs CPA first. Eventually if you can become a partner or you open up your own firm, then 钱途无量。Or you'll be always wondering if you can get a higher pay in another firm.
化工博士with very specific expertise, you are the expert in this field and the pay should be good, too.
Nobody can fortune tell for you. The best way to do that is to do the research yourself about the field you are interseted in. Find out where is your job market first. Then see what people are employing there. What are needed in the market. You need to hold on to something and move on. Keep changing field won't help you too much.
化工博士with very specific expertise, you are the expert in this field and the pay should be good, too.
Nobody can fortune tell for you. The best way to do that is to do the research yourself about the field you are interseted in. Find out where is your job market first. Then see what people are employing there. What are needed in the market. You need to hold on to something and move on. Keep changing field won't help you too much.