Tom's second April 6 edits of two Hansen lectures

Author: thomassargent30

lectures/_static/quant-econ.bib

@@ -491,6 +491,15 @@ @Article{sargent91_equilibrium
   year =1991
 }
 
+@article{hansen1982generalized,
+  title={Generalized instrumental variables estimation of nonlinear rational expectations models},
+  author={Hansen, Lars Peter and Singleton, Kenneth J},
+  journal={Econometrica: Journal of the Econometric Society},
+  pages={1269--1286},
+  year={1982},
+  publisher={JSTOR}
+}
+
 @Inproceedings{singleton87,
   author ={Kenneth J. Singleton},
   title ={Asset Prices in a Time-Series Model with Disparately Informed

lectures/hansen_richard_1987.md

@@ -643,8 +643,10 @@ where the last equality uses the Law of Iterated Expectations.
 
 ### Connection to Hansen-Singleton GMM
 
-The pseudo-pricing function underlies the {cite}`Hansen_Singleton_1982`
-econometric approach. If a model specifies $p^*$ as a function of observable
+The pseudo-pricing function underlies the {cite}`hansen1982generalized`
+econometric approach. 
+
+If a model specifies $p^*$ as a function of observable
 data (e.g., a parametric function of consumption growth), then the pricing
 restriction
 
@@ -744,7 +746,9 @@ $$
 $$
 
 Any model of $p^*$ must generate enough SDF volatility to rationalize the
-observed Sharpe ratios in asset markets. The equity premium puzzle arises
+observed Sharpe ratios in asset markets. 
+
+The equity premium puzzle arises
 because the volatility of consumption growth — which drives $p^*$ in
 representative-agent models — is far too low to meet this bound.