From 2ba4b2d1b6fd7d5f5f6fb54e6983617fa575b641 Mon Sep 17 00:00:00 2001
From: Shu Hu <shu.hu@anu.edu.au>
Date: Tue, 13 Feb 2024 09:21:32 +1100
Subject: [PATCH] Update solutions in lecutre pv (#279)

---
 lectures/pv.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lectures/pv.md b/lectures/pv.md
index 7bdfa0fc..70c2801e 100644
--- a/lectures/pv.md
+++ b/lectures/pv.md
@@ -465,3 +465,18 @@ following settings for $d$ and $p_{T+1}^*$:
 
 ```{exercise-end} 
 ```
+
+```{solution-start} pv_ex_a
+:class: dropdown
+```
+
+Plugging each pair of the above $p_{T+1}^*, d_t$ into Equation {eq}`eq:ptpveq` yields:
+
+1. $p_t = \sum^T_{s=t} \delta^{s-t} g^s d_0$
+1. $p_t = \sum^T_{s=t} \delta^{s-t} g^s d_0 + \delta^{T+1-t} g^{T+1} d_0$
+1. $p_t = 0$
+1. $p_t = c \delta^{-t}$
+
+
+```{solution-end}
+```
\ No newline at end of file