add networks back

HumphreyYang · HumphreyYang · commit 8af418ccf0ee · 2023-06-03T13:11:43.000+10:00
diff --git a/lectures/_toc.yml b/lectures/_toc.yml
@@ -51,6 +51,7 @@ parts:
   - file: input_output
   - file: lake_model
   - file: asset_pricing
+  - file: networks
 - caption: Markets and Competitive Equilibrium
   numbered: true
   chapters:
