Rewrite MLE as an elementary lecture on maximum likelihood

lectures/_static/quant-econ.bib

@@ -3119,3 +3119,32 @@ @article{jianakoplos1997wealth
   pages     = {18--31},
   year      = {1997}
 }
+
+@article{fisher1922mathematical,
+  title     = {On the mathematical foundations of theoretical statistics},
+  author    = {Fisher, Ronald A.},
+  journal   = {Philosophical Transactions of the Royal Society of London. Series A},
+  volume    = {222},
+  pages     = {309--368},
+  year      = {1922}
+}
+
+@article{aldrich1997fisher,
+  title     = {{R. A. Fisher} and the making of maximum likelihood 1912--1922},
+  author    = {Aldrich, John},
+  journal   = {Statistical Science},
+  volume    = {12},
+  number    = {3},
+  pages     = {162--176},
+  year      = {1997}
+}
+
+@article{stigler2007epic,
+  title     = {The epic story of maximum likelihood},
+  author    = {Stigler, Stephen M.},
+  journal   = {Statistical Science},
+  volume    = {22},
+  number    = {4},
+  pages     = {598--620},
+  year      = {2007}
+}