There's a lot of evidence that those who cheat on job applications also cheat in school and in life. If someone says they have a degree and they don't, I'd have little faith that person would tell the truth when it came to financial statements and so on.
Some bloke came up to me in Tesco a couple of years ago at 11:30 pm and said: 'Excuse me, would you mind telling my son here that you're Uncle Vernon?' I said: 'Get a grip. It's 11:30 at night - what's he doing out of bed? I'm not here to entertain people at this time of night.