But to guarantee success of a business, the owner needs to have a long-term experience in the business in other to effectively manage the business and place it on track for success.
The certificate is only an additional confirmation of the level of knowledge (if it is not acquired on the black market). But, again, it is one thing to have a certificate, and another thing to successfully apply knowledge in practice. Very often the reality is different from what is taught in the institutes. When a person comes to work (for example, on a construction site), he is honestly told to forget what he was taught at the institute. The same applies to certificates
The certificate is just additional paper to gain credibility in your field. However, the actual work is quite different.
Just do take note that a lot of successful businessmen are drop-outs. But for sure, they gained experiences thru time and they studied on their own about their field of industry.
Thus, it is a continuous effort to learn everyday about their craft. It is not just by holding certificate that can guarantee you have the edge on your field.
So either you have your MBA or not before you start your own company, for me, is not a big factor to attain success.
But your perseverance to educate yourself on what needs to be done to get ahead of your competitors. And you can learn that as you go thru your journey in any business you want to get involve with.