?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4092%2F&rft.title=Population+Concentration+in+Less+Developed+Countries+(LDCs)%3A+New+Evidence&rft.creator=MacKellar%2C+F.L.&rft.creator=Vining+Jr.%2C+D.R.&rft.description=Economic+theory+associates+the+increase+in+population+concentration%2C+i.e.+the+proportion+of+national+population+residing+in+the+core+economic+region%2C+with+scale+and+agglomeration+economies%2C+which+Wheaton+and+Shishido+(1981)+estimated+to+persist+until+realper+capita+national+income+reaches+5%2C000+1985+U.S.+dollars+(USD).+After+this+point+in+a+country's+economic+development%2C+they+predicted%2C+population+re-distribution+towards+the+core+region+will+cease+and+the+proportion+of+national+population+residing+in+the+core+region+will+commence+to+decline.+The+experience+of+developed+countries+(DCs)+in+the+1970s+and+1980s+broadly+conformed+to+this+pattern%2C+albeit+with+exceptions.+Evidence+from+less+developed+countries+(LDCs)+through+the+1980+round+of+censuses+led+Vining+(1986)+to+propose+a+weakened+version+of+the+USD+5%2C000+rule+in+which+this+point+is+characterized+only+by+a+slowing+of+rate+of+population+re-distribution+towards+the+core%2C+not+by+an+outright+reversal.+%0D%0A%0D%0AThis+paper+updates+previously-reported+trends+in+population+re-distribution+in+LDCs+and+reports+on+many+new+countries.+Taken+as+a+whole%2C+post-war+data+reinforce+the+need+for+caution+of+the+sort+expressed+by+Vining.+While+there+is+a+weak+negative+correlation+between+the+rate+of+net+migration+into+the+core+region+and+per+capita+income%2C+the+share+of+population+residing+in+the+core+region+may+continue+to+rise+when+per+capita+income+has+grown+to+well+beyond+USD+5%2C000.&rft.publisher=WP-94-122&rft.date=1994-11&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4092%2F1%2FWP-94-122.pdf&rft.identifier=++MacKellar%2C+F.L.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F2146.html%3E+%26+Vining+Jr.%2C+D.R.++(1994).++Population+Concentration+in+Less+Developed+Countries+(LDCs)%3A+New+Evidence.+++IIASA+Working+Paper.+IIASA%2C+Laxenburg%2C+Austria%3A+WP-94-122+++++