fix firm eq

docs/book/content/calibration/firms.md

@@ -7,12 +7,14 @@ The [OG-Core firm theory documentation](https://pslmodels.github.io/OG-Core/cont
 
 The production function is given as:
 
+```{math}
 :label: EqFirmsCESprodfun
   \begin{split}
     Y_{m,t} &= F(K_{m,t}, K_{g,m,t}, L_{m,t}) \\
     &\equiv Z_{m,t}\biggl[(\gamma_m)^\frac{1}{\varepsilon_m}(K_{m,t})^\frac{\varepsilon_m-1}{\varepsilon_m} + (\gamma_{g,m})^\frac{1}{\varepsilon_m}(K_{g,m,t})^\frac{\varepsilon_m-1}{\varepsilon_m} + \\
     &\quad\quad\quad\quad\quad(1-\gamma_m-\gamma_{g,m})^\frac{1}{\varepsilon_m}(e^{g_y t}L_{m,t})^\frac{\varepsilon_m-1}{\varepsilon_m}\biggr]^\frac{\varepsilon_m}{\varepsilon_m-1} \quad\forall m,t
   \end{split}
+```
 
   This production function has the following parameters:
   * $\varepsilon_m$ is the elasticity of substitution between capital, labor, and infrastructure in sector $m$.

docs/book/content/calibration/taxes.md

@@ -5,7 +5,7 @@ The government is not an optimizing agent in `OG-ZAF`. The government levies tax
 
 
 ## Personal income taxes
-The government sector influences households through two terms in the household budget constraint {eq}`EqHHBC`---government transfers $TR_{t}$ and through the total tax liability function $T_{s,t}$, which can be decomposed into the effective tax rate times total income {eq}`EqTaxCalcLiabETR2`. In this chapter, we detail the household tax component of government activity $T_{s,t}$ in `OG-ZAF`.
+The government sector influences households through two terms in the household budget constraint {eq}`EqHHBC`---government transfers $TR_{t}$ and through the total tax liability function $T_{s,t}$, which can be decomposed into the effective tax rate times total income. In this chapter, we detail the household tax component of government activity $T_{s,t}$ in `OG-ZAF`.
 
 ```{math}
 :label: EqHHBC