update a minor typo in code

HumphreyYang · HumphreyYang · commit 32c0adb7cd9e · 2025-01-30T13:04:57.000+11:00
diff --git a/lectures/calvo_abreu.md b/lectures/calvo_abreu.md
@@ -562,7 +562,7 @@ def abreu_plan(clq, T=1000, T_A=10, μ_bar=0.1, T_Plot=20):
     # Calculate utility of stick plan
     U_A = clq.β ** np.arange(T) * (
         clq.u0 + clq.u1 * (-clq.θ_A) - clq.u2 / 2 
-        * (-clq.θ_A) ** 2 - clq.c * clq.μ_A ** 2
+        * (-clq.θ_A) ** 2 - clq.c / 2 * clq.μ_A ** 2
     )
 
     clq.V_A = np.array([np.sum(U_A[t:] / clq.β ** t) for t in range(T)])

Original file line number	Diff line number	Diff line change
`@@ -562,7 +562,7 @@ def abreu_plan(clq, T=1000, T_A=10, μ_bar=0.1, T_Plot=20):`
`562`	`562`	`# Calculate utility of stick plan`
`563`	`563`	`U_A = clq.β ** np.arange(T) * (`
`564`	`564`	`clq.u0 + clq.u1 * (-clq.θ_A) - clq.u2 / 2`
`565`		`- * (-clq.θ_A) ** 2 - clq.c * clq.μ_A ** 2`
	`565`	`+ * (-clq.θ_A) ** 2 - clq.c / 2 * clq.μ_A ** 2`
`566`	`566`	`)`
`567`	`567`
`568`	`568`	`clq.V_A = np.array([np.sum(U_A[t:] / clq.β ** t) for t in range(T)])`