Fazors changed the thing LCD 2 was good with , being fairly warm headphone with great bass and smoothed mids . They tried to make it have more treble . The general consensus is that the older models are better afaik . <| sep |> I ' ve already told the admin to change the rule wording as it doesn ' t cover posts . <| sep |> Please don ' t downvote . It ' s a good point . Techniques don ' t define subject area e . g . auction theory and queueing theory techniques can be applied to economic problems . When they gains sufficient mass you ' d have a specific economics research program e . g . Susan Athey ' s Economics of the Internet thing with Google at Stanford . Milgrom , earlier . I don ' t even pretend to know where the demarcation is between math and theory .