Is a Russian Annexation of Ukraine a Realistic Prospect?

In the zones of ukraines territory which have so far fallen under russian influence, we have two different polar, opposite experiences. Crimea was flat out the second most rapidly growing part of the russia economy. Crimea was the recipient of 13 billion dollars of rRussian investment between 20 15 and 20 22. It's an extremely attractive part of the world. Its traditional holiday and tourist destination. But what do you lose in the process of doing that? And what public service s get cut in the rest of russia? What other kinds of investment, which might yield much higher rates of return than these politically driven projects, would you be foregoing? How much is this going to cost