Roadmap
Graphing Relationships Among Two Variables
Scatter Diagrams
Variables That Move in the Same Direction
Variables That Move in Opposite Directions
Variables That are Unrelated
The Slope of a Str
Roadmap
1. Market and Prices
2. Demand
1. Law of Demand
2. Demand Curve vs. Demand Schedule
3. Willingness and Ability to Pay
4. Market Demand
5. Changes in Quantity Demanded and Changes in Demand
6.
Page 1
Chapter 1, Slide Set 1, The Conditional Expectation Function!
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Slide 1
1. As you have or will learn from reading the first chapter of your textbook, economists
use methods and techniques from
Set 2_1_The simple linear regression function!
!
Slide 2
1. Chapter 2 of Wooldridges textbook starts us off with the simplest of regression
frameworks. We have just two observed variables, one the exp
Set 1_1 Slide Notes!
Slide 1
This set reviews the purposes of econometrics, asks you to think about some
examples, and introduces a flow chart of the stages in an econometric study.!
Slide 2
William G
Chapter 2, Slide Set 4, Interpreting SLR Results!
Slide 1
Accurate interpretation of regression results is essential if they are to be of any use.
Attaching the correct meaning to an estimate requires
Set 1_3 Slide Notes!
Slide 1
We have an econometric model. As we learned from an earlier discussion the model
is the connection between the theoretical world (e.g. Beckers model of criminal
behaviour)
Slide Set 2_0_Least squares!
Slide 1
When we studied the conditional expectation function, I claimed that I would predict the
wages earned by a randomly chosen earner with the expected value of the wa
1
Set 1_4 Slide Notes!
Slide 1
In her 2007 book, Hunting Causes and Using Them, philosopher of social science Nancy
Cartwright states Until a few years ago real causal claims were in disrepute in phil
3
Slide Notes for Set 2_4 Interpreting OLS Results!
Slide 1
Its time to return to the least-squares idea so that we can understand what calculations
Stata is using when we ask it to carry out a simple
Set 1_2 Slide Notes!
Slide 1
This set begins with a question why are crime rates interesting enough to study
using econometric methods?!
Slide 2
This graph is an example of a dot chart. Use it when yo
Slide Set 2_2_Conditional mean zero!
Slide 1
Whether the results of a simple regression show causality depends on the zero
conditional mean property holding for the population. So, in order for you to