Radio 4 in Four - Is taking a PhD a waste of time and money? - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - Is taking a PhD a waste of time and money? - ÃÛÑ¿´«Ã½ Sounds
Is taking a PhD a waste of time and money?
The number of doctoral candidates has been steadily rising. Who really gains from PhDs?