and you think that can help how?
what you are doing is exactly like printing new dollars to stabilize dollar.. this is not how things works,,
steem exchange rate is like any currency exchange rate, it goes up and down by offer and demands..
shortcut explination, Investment from outside steem whether in or out, is the only factor that effect steem price

bottom line: your contribution will be worthless for steem.. but of course it will be beneficent for you..