If you’re over 40 you might be finding you’re over the hill as far as Australian recruiters are concerned. Is this a realistic observation and, if so, why? And what do you do with the second half of your working life? Philip Taylor from Swinburne University of Technology has been studying the relationship between employment and age for more than 15 years. On today’s BTalk Australia Phil Dobbie puts the question to him: 'are Australian businesses ageist?'