FreeEconHelp.com, Learning Economics... Solved!: model
Showing posts with label model. Show all posts
Showing posts with label model. Show all posts

8/26/11

All you need to know about graphs for introductory economics

14:33
All you need to know about graphs for introductory economics

1)            Graphs of one variable, include bar graphs and pie charts.  They show information/facts, give a description of what is.  For example, bar graphs will have a number/variables on the y axis, and several distinct components on the x axis.  The value of each component on the x axis is measured in the single variable shown on the y axis.  A pie chart has a similar approach (except the variable is always a percentage and should add to 100%).

Another example is a time series graph, where the x axis shows different periods of time, but these are

8/25/11

Using Excel to Model Optimal Forest Rotation

16:28
Using Excel to Model Optimal Forest Rotation
This is a highly specialized post, but I see more and more students attempting to model basic dynamic optimization problems in excel.  Here is a good example and tutorial of how to figure out optimal rotation times for a forest, a classic economics problem.