Merge branch 'main' into hansen_singleton

Author: HumphreyYang

.github/workflows/ci.yml

@@ -44,7 +44,7 @@ jobs:
         shell: bash -l {0}
         run: pip list
       - name: Download "build" folder (cache)
-        uses: dawidd6/action-download-artifact@v14
+        uses: dawidd6/action-download-artifact@v15
         with:
           workflow: cache.yml
           branch: main

.github/workflows/collab.yml

@@ -33,7 +33,7 @@ jobs:
         shell: bash -l {0}
         run: pip list
       - name: Download "build" folder (cache)
-        uses: dawidd6/action-download-artifact@v14
+        uses: dawidd6/action-download-artifact@v15
         with:
           workflow: cache.yml
           branch: main

.github/workflows/publish.yml

@@ -39,7 +39,7 @@ jobs:
         run: pip list
       # Download Build Cache from cache.yml
       - name: Download "build" folder (cache)
-        uses: dawidd6/action-download-artifact@v14
+        uses: dawidd6/action-download-artifact@v15
         with:
           workflow: cache.yml
           branch: main

environment.yml

@@ -7,7 +7,7 @@ dependencies:
   - pip
   - pip:
     - jupyter-book>=1.0.4post1,<2.0
-    - quantecon-book-theme==0.16.0
+    - quantecon-book-theme==0.18.0
     - sphinx-tojupyter==0.6.0
     - sphinxext-rediraffe==0.3.0
     - sphinx-exercise==1.2.1

lectures/_config.yml

@@ -91,6 +91,7 @@ sphinx:
       keywords: Python, QuantEcon, Quantitative Economics, Economics, Sloan, Alfred P. Sloan Foundation, Tom J. Sargent, John Stachurski
       analytics:
         google_analytics_id: G-J0SMYR4SG3
+      sticky_contents: true
       launch_buttons:
         colab_url                 : https://colab.research.google.com
     intersphinx_mapping: