"Controlling for a number of demographic and relationship characteristics, we find evidence that marriage duration is inversely associated with spending on the

"Controlling for a number of demographic and relationship characteristics, we find evidence that marriage duration is inversely associated with spending on the engagement ring and wedding ceremony." https://www.cnn.com/2014/10/13/living/wedding-expenses-study/ https://www.cnn.com/2014/10/13/living/wedding-expenses-study... https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2501480 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2501480