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***** To join INSNA, visit http://www.sfu.ca/~insna/ ***** Dear all, When studying the 'World City Network', Peter Taylor has specified a technique for obtaining structural data which is based on actor attributes (Research bulletin 23, GaWC, also published in Geographical Analysis 33(2), 2001). He uses a formula like this one: C(i,j) = O(i) * O(j) ...where C(i,j) is the total connectivity between actor i and j and where O(i) and O(j) are total number of TNC offices of actor i respectively j. In short, what is done here is an estimation of the structural value between dyads based on internal attributes of the actors. If city i has 2 offices and city j has 3 offices, the structural connectivity value between i and j is set to 6, thus implying the total number of links between these two actors. Is this a common way of fetching structural data, i.e to use actor attributes like this? Intuitively, what regards Taylor's study, it feels like a reasonable good approximation of the structural data but when it is only based on actor-internal attributes, I also get the feeling that it isn't following a very 'networkish' style! Yours, Carl ----- Carl Nordlund, BA, PhD student carl.nordlund(at)humecol.lu.se Human Ecology Division www.humecol.lu.se _____________________________________________________________________ SOCNET is a service of INSNA, the professional association for social network researchers (http://www.sfu.ca/~insna/). To unsubscribe, send an email message to [log in to unmask] containing the line UNSUBSCRIBE SOCNET in the body of the message.