Chapter 3 Environmental Chemistry (Pollution) Notes
Organic Nutrients: Chemicals containing carbon, hydrogen, and oxygen. Classed as
carbohydrates, proteins, lipids (fats), or vitamins.
Carbohydrates: things made of carbon, hydrogen and oxygen.
Lipids: ma
Let - P be the principal amount , IR be the interest rate, T be the number of years (or
periods), and A be a payment.
Simple Interest
Total Interest = P*(number of periods)*IR
Compound Interest (annual)
Compound Interest (semi-annual)
Compound Interest (q
12/10/2007
Prediction, Goodness-of-Fit, and Modeling Issues
Prepared by Vera Tabakova, East Carolina University
4.1 Least Squares Prediction
4.2 Measuring Goodness-of-Fit
4.3 Modeling Issues
4.4 Log-Linear Models
Principles of Econometrics, 3rd Edition
Sl
Econ 311
May 16th Practice
Spring 2013
INSTRUCTIONS:
Answer all the questions in your Excel workbook file.
Only your own work and answers should appear on your files.
Name the workbook that contains your data, answers to all the questions, and
graphs wit
ECONOMICS 311
Fall 2013
Practice and Assignments Timeline
Sept. 9 - 15
1. Topics: Introduction to workbooks, worksheets, formatting, references. This
will encompass parts of Tutorials 1 to 4 in your text (optional).
2. Practise basic skills by entering da
12/21/2007
Heteroskedasticity
Prepared by Vera Tabakova, East Carolina University
8.1 The Nature of Heteroskedasticity
8.2 Using the Least Squares Estimator
8.3 The Generalized Least Squares Estimator
8.4 Detecting Heteroskedasticity
Principles of Econome
1/23/2008
Review of Math Essentials
Prepared by Vera Tabakova, East Carolina University
A.1 Summation
A.2 Some Basics
A.3 Linear Relationships
A.4 Nonlinear Relationships
Principles of Econometrics, 3rd Edition
Slide A-2
n
xi = x1 + x2 +
i =1
+ xn
The sy
Mathematics Review Part A Lecture 2
Learning outcomes
3. Dene a linear relationship, and its slope and intercept parameters.
4. Compute elasticity at a point for linear relationship.
5. Understand the various nonlinear functions and which economic situati
Economics 395
Fall 2013
1. Suppose that the probabilities of enrolling in a type of education, by gender, are:
4-year
2-year
Less than
2-year
Men
.27
0.16
0.01
0.44
Women
.32
0.22
.02
0.56
0.59
0.38
0.03
1
a) Fill in the missing probabilities (both joint