City tax premiums for second/vacant homes

I've often thought city taxes should be charged at 1.5x for people where it is NOT their primary residence (eg out of state or pied-à-terre owners) and 2.0 X for proeprties that are vacant/dilapidated etc.


What do you think?
 
http://ny.curbed.com/archives/2011/09/27/manhattan_borough_pres_unleashes_stalled_sites_offensive.php#more
Borough President Scott Stringer is calling attention to the 129 stalled construction sites in Manhattan in a 44-page report with the Curbed-approved title "Arrested Development."