Many believe the work should be financed by the 'public purse'. [=should be paid for by the government]
Companies are expected to 'loosen the purse strings' as the economy improves.
School administrators are already 'tightening (the) purse strings'.
(..) 'You're a shoe! You're a shoe, you're a shoe, you're a shoe!'. And today I just stopped and I said, 'What if I don't wanna be a shoe? What if I wanna be a- a purse, y'know? Or a- or a hat! No, I'm not saying I want you to buy me a hat, I'm saying I am a ha- It's a metaphor, Daddy! (..)1994 TvShow: Friends Title: The One Where Monica Gets a Roommate Season: 1 Episode 1