Happy Valentines Day, suckers: how Damien Hirst’s cashing in on Cupid

The artist’s latest show, featuring banal images of love hearts and butterflies, looks like an attempt to squeeze money out of innocent punters

Has art boxed itself into a corner?

They’ve starved, stripped and suffocated. We’ve seen them sleep, do shopping and read out lists. Now, PJ Harvey wants us to watch her record a whole album while she sits in a big box. Time to pack in art’s most claustrophobic trend?

How Monet became blue chip: the language of wealthy art buyers

Painting of the Grand Canal expected to fetch up to £30m, amid surging interest from super-rich in Asia and Middle East

Going, going, gone: how Sotheby’s and Christie’s still lose out on big sales

Despite increasing prices of art, big profits do not always trickle down to auction houses – thanks to generous guarantees to ultra-rich sellers

Rowan Moore’s top 10 exhibitions of 2014

Parking lots in Los Angeles, arty wind tunnels, Dada collages and 1960s visions of future living – Rowan Moore picks his favourite shows of the year