<p>Right, sorry I meant that as more of a question to explain the point I was making. The majority of people getting a PhD in engineering know they want to teach or have some sort of plan that necessitates a PhD, while most engineers in the industry don’t go beyond the master’s level because it wouldn’t make sense to invest all the time and money relative to income level (unless, as you stated, they want to go further in R&D and need to get a higher level degree).</p>