Chapter 6 References

Bryan, Jennifer, Jim Hester, and STAT 545 TAs. 2020. “Happy Git with r.” https://happygitwithr.com/.
Yotov, Yoto V, Roberta Piermartini, José-Antonio Monteiro, and Mario Larch. 2016. An Advanced Guide to Trade Policy Analysis: The Structural Gravity Model. World Trade Organization Geneva.