Principles of Macroeconomics   Creator:   Greenlaw, Steven A. ( Author, Primary ) Shapiro, David ( Author, Primary ) Publication Date:   October 11, 2017 Publisher:   OpenStax Resource Type:   Book Subject Keyword:   Open and Affordable Textbooks (OAT) Economics Macroeconomics Textbook Principles of Macroeconomics	Principles of Microeconomics   Creator:   Greenlaw, Steven A. ( Author, Primary ) Shapiro, David ( Author, Primary ) Publication Date:   September 15, 2017 Publisher:   OpenStax Resource Type:   Book Subject Keyword:   Open and Affordable Textbooks (OAT) Economics Microeconomics Textbook Principles of Microeconomics	U.S. History   Publication Date:   December 30, 2014 Publisher:   OpenStax Resource Type:   Book Subject Keyword:   Open and Affordable Textbooks (OAT) History Textbook Open Education Resources U.S. History