diff --git a/unl/ks_twoPeriodEquilibrium.yml b/unl/ks_twoPeriodEquilibrium.yml
new file mode 100644
index 0000000..ae07e4d
--- /dev/null
+++ b/unl/ks_twoPeriodEquilibrium.yml
@@ -0,0 +1,152 @@
+schema: EconSchema
+params:
+  - {name: demandShift, value: 0, min: -5, max: 5, round: 0.1}
+  - {name: demandShiftY, value: 0, min: -5, max: 5, round: 0.1}
+  - {name: demandShiftN, value: 0, min: -5, max: 5, round: 0.1}
+  - {name: supplyShift, value: 0, min: -5, max: 5, round: 0.1}
+  - {name: supplyShiftY, value: 0, min: -5, max: 5, round: 0.1}
+  - {name: supplyShiftN, value: 0, min: -5, max: 5, round: 0.1}
+calcs:
+  demandChanged: ((params.demandShift-0)^2 > 0.04)
+  supplyChanged: ((params.supplyShift-0)^2 > 0.04)
+  demandChangedY: ((params.demandShiftY-0)^2 > 0.04)
+  supplyChangedY: ((params.supplyShiftY-0)^2 > 0.04)
+  demandChangedN: ((params.demandShiftN-0)^2 > 0.04)
+  supplyChangedN: ((params.supplyShiftN-0)^2 > 0.04)
+layout:
+  TwoHorizontalGraphs:
+    leftGraph:
+      xAxis: {title: Labor}
+      yAxis: {title: Real Wage}
+      objects:
+      - EconLinearEquilibrium:
+          demand:
+            name: oldDemandN
+            xIntercept: 10
+            invSlope: -1
+            lineStyle: dotted
+            pts:
+            - name: a
+              y: 4
+          supply:
+            name: oldSupplyN
+            yIntercept: 2
+            slope: 1
+            lineStyle: dotted
+            pts:
+            - name: a
+              y: 8
+          equilibrium:
+            droplines:
+              vertical: N_0
+              horizontal: w_0
+      - EconLinearEquilibrium:
+          name: newEquilibriumN
+          demand:
+            name: newDemandN
+            xIntercept: 10 + params.demandShiftN
+            invSlope: -1
+            pts:
+            - name: a
+              y: 4
+            drag:
+              - horizontal: demandShiftN
+          supply:
+            name: newSupplyN
+            yIntercept: 2 - params.supplyShiftN
+            slope: 1
+            pts:
+            - name: a
+              y: 8
+            drag:
+              - horizontal: supplyShiftN
+          equilibrium:
+            show: (calcs.demandChangedN || calcs.supplyChangedN)
+            droplines:
+              vertical: N_1
+              horizontal: w_1
+            
+      - Arrow:
+         begin: [calcs.oldDemandN.a.x,4]
+         end: [calcs.newDemandN.a.x,4]
+         show: calcs.demandChangedN
+         color: demand
+         trim: 0.1
+         
+      - Arrow:
+         begin: [calcs.oldSupplyN.a.x,8]
+         end: [calcs.newSupplyN.a.x,8]
+         show: calcs.supplyChangedN
+         color: supply
+         trim: 0.1
+         
+         
+         
+         
+         
+         
+         
+    rightGraph:
+      xAxis: {title: Output}
+      yAxis: {title: Real Interest Rate}
+      objects:
+      - EconLinearEquilibrium:
+          demand:
+            name: oldDemandY
+            xIntercept: 10
+            invSlope: -1
+            lineStyle: dotted
+            pts:
+            - name: a
+              y: 4
+          supply:
+            name: oldSupplyY
+            yIntercept: 2
+            slope: 1
+            lineStyle: dotted
+            pts:
+            - name: a
+              y: 8
+          equilibrium:
+            droplines:
+              vertical: Y_0
+              horizontal: r_0
+      - EconLinearEquilibrium:
+          name: newEquilibriumY
+          demand:
+            name: newDemandY
+            xIntercept: 10 + params.demandShiftY
+            invSlope: -1
+            pts:
+            - name: a
+              y: 4
+            drag:
+              - horizontal: demandShiftY
+          supply:
+            name: newSupplyY
+            yIntercept: 2 - params.supplyShiftY
+            slope: 1
+            pts:
+            - name: a
+              y: 8
+            drag:
+              - horizontal: supplyShiftY
+          equilibrium:
+            show: (calcs.demandChangedY || calcs.supplyChangedY)
+            droplines:
+              vertical: Y_1
+              horizontal: r_1
+            
+      - Arrow:
+         begin: [calcs.oldDemandY.a.x,4]
+         end: [calcs.newDemandY.a.x,4]
+         show: calcs.demandChangedY
+         color: demand
+         trim: 0.1
+         
+      - Arrow:
+         begin: [calcs.oldSupplyY.a.x,8]
+         end: [calcs.newSupplyY.a.x,8]
+         show: calcs.supplyChangedY
+         color: supply
+         trim: 0.1
\ No newline at end of file
diff --git a/unl/supplyanddemand.md b/unl/supplyanddemand.md
index 0ca3fd9..e85bcb1 100644
--- a/unl/supplyanddemand.md
+++ b/unl/supplyanddemand.md
@@ -84,3 +84,17 @@ oranges
 
 ---
 
+
+
+
+
+<link href="https://kineticgraphs.org/css/kg.0.2.6.css" rel="stylesheet" type="text/css">
+<script src="https://kineticgraphs.org/js/kg3d.0.2.6.js"></script>
+
+
+
+<div class="kg-container" src="ks_twoPeriodEquilibrium.yml" clearColor='#fff0'></div>
+
+
+
+---