ENH: Tom august updates to cass_coopmans_I

.github/workflows/ci.yml

@@ -20,13 +20,13 @@ jobs:
       - name: Display Pip Versions
         shell: bash -l {0}
         run: pip list
-      # - name: Download "build" folder (cache)
-      #   uses: dawidd6/action-download-artifact@v2
-      #   with:
-      #     workflow: cache.yml
-      #     branch: main
-      #     name: build-cache
-      #     path: _build
+      - name: Download "build" folder (cache)
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          workflow: cache.yml
+          branch: main
+          name: build-cache
+          path: _build
       # Build Assets (Download Notebooks and PDF via LaTeX)
       - name: Build Download Notebooks (sphinx-tojupyter)
         shell: bash -l {0}

.gitignore

@@ -1,3 +1,5 @@
 .DS_Store
 _build/
 lectures/_build/
+.ipynb_checkpoints/
+.virtual_documents/

lectures/_static/quant-econ.bib

@@ -3,6 +3,13 @@
 Note: Extended Information (like abstracts, doi, url's etc.) can be found in quant-econ-extendedinfo.bib file in _static/
 ###
 
+@book{intriligator2002mathematical,
+  title={Mathematical optimization and economic theory},
+  author={Intriligator, Michael D},
+  year={2002},
+  publisher={SIAM}
+}
+
 @article{wallis1980statistical,
   title={The statistical research group, 1942--1945},
   author={Wallis, W Allen},