For decades, the MBA was a ticket to prestige and riches. But things aren't so clear anymore. For one thing, the MBA is often the entrance fee to climb the corporate ladder, but there are few corporate ladders to climb anymore — and people are increasingly experimenting with ways to speed up that climb anyway. One way is to skip the MBA altogether.

So if you're thinking of getting an MBA, you should probably think twice. Here are some signs that the MBA is becoming devalued

Quality is compromised by a lack of female applicants.
Harvard Business School is so concerned that it's not receiving enough female applicants that it's changed the admission process to accommodate the biological clock. This means that students will have less work experience coming into the program.

In the past, business schools have said that prior work experience is important to the MBA education. But apparently, the lack of women is so detrimental to the education that Harvard is willing to take less work experience.

While the changes are beneficial for women in some respects, one has to wonder if this doesn't compromise the value of an MBA for everyone.

Hotshots don't go to business school anymore.
For a while now, it's been clear that the true entrepreneurial geniuses don't need degrees. The most effective way to learn about entrepreneurship is to practice in real life. You don't need an MBA for that.

Now that trend is filtering into the finance industry. Pausing one's career to get an MBA used to be non-negotiable for investment bankers. But today, the top candidates in finance are choosing to forgo business school. They're already making tons of money, and they're well-positioned to keep making tons of money, so the MBA seems unnecessary.

The upshot of this is that business school might start looking like something for people who are feeling a little bit stuck in their careers and need a jumpstart, rather than just a starting gate for superstars.

People go to business school for the wrong reasons.
An MBA is very expensive in terms of time and money, and it solves few problems. If you're not a star performer before b-school, you probably won't be one after you graduate And if you just want to make a lot of money, the odds of you of doing that are only as good as the odds of you getting into a top school – currently about 1 in 10.

If you're still wondering if an MBA is necessary for you, here are five more situations that might put the nail in the coffin of the MBA.

Read the full column at Yahoo Finance.