![Luxe is an on-demand valet app in the US.](/web/20160615121951im_/http://www.watoday.com.au/content/dam/images/g/n/s/1/a/2/image.related.wideLandscape.460x259.gnrzmy.png/1459118942562.png)
End of the on-demand dream: Uber model just doesn't translate
Across a variety of on-demand apps, prices are rising, service is declining, business models are shifting, and, in some cases, companies are closing down as investor appetite for on-demand companies has cooled.