000			00544nam a2200181Ia 4500
008			140626s9999 xx 000 0 und d
100			_aRutz, Oliver.
245		2	_aA Latent instrumental variables approach to modeling keyword conversion in paid search advertising / _cOliver Rutz ... [et al.].
260			_cc2012.
300			_a49 : 3, page 306
440			_aJournal of Marketing Research
521			_aBSBA
650			_aAdvertising.
650			_aBayesian methods.
650			_aInternet.
650			_aPaid search.
942			_cSE
999			_c121032 _d121032