They r equally competitive n at par with anyone else.
U cannot generalise it as such. Generalisations dot work, Women do. If u luk at Govt Offices they r last to arrive n first to leave. Yet, we cannot say all r same. Who amongst us wont like their Wife or Gf to return home early.
So, in that sense they have an advntage. Secondly, u cannot turn them down instantly, so they have that extra force.
Yes, at times they put more efforts than guys, who like to go easy, chalta hai kind.