It looks like it is the same data set. You could have used facebook to detect the number of people who list each company as their employer to build a more accurate picture.
It just doesn't say much if they are lifestyle businesses. Most businesses that are lifestyle businesses without technical degrees are owned by a variety of non MBAs.
MBAs have far too much opportunity cost to start a car washing business or some other small $50K/year business when even people in marginal MBA programs can easily make $85K first year working less than 40 hours a week.
It just doesn't say much if they are lifestyle businesses. Most businesses that are lifestyle businesses without technical degrees are owned by a variety of non MBAs.
MBAs have far too much opportunity cost to start a car washing business or some other small $50K/year business when even people in marginal MBA programs can easily make $85K first year working less than 40 hours a week.