Behavior of First Model Compared to History:

Behavior of Second Model Compared to History (after you change emigration after 1854 to a nonzero value):

The above two graphs are "custom" graphs containing two variables. A previous lab dealt with the construction of custom graphs. Historical data for the population can be included in the model as an auxilliary variable. In this case it would be defined as a table with pairs consisting of year and population. The variable must be related to the Time shadow variable.