Morgenstern wrote many other articles and books, including On the Accuracy of Economic Observations, and Predictability of Stock Market Prices with subsequent Nobel laureate Clive Granger.
Morgenstern jest autorem wielu książek i artykułów, m.in. On the Accuracy of Economic Observations oraz Predictability of Stock Market Prices, którą napisał wraz z noblistą Clive’em Grangerem.