Macroeconomics
Projection#1
Tianzhe Wei
Chapter 2: Measuring the Macroeconomy
The expenditure approach to GDP:Y=C+I+G+NX
Consumption + Investment + Government purchases + Exports - Imports
GDP only includes goods and services that are transacted through

Introduction to Econometrics
Arthur Campbell
MIT
16th February 2007
Arthur Campbell (MIT)
Introduction to Econometrics
02/16/07
1 / 19
Todays Recitation
What is a Regression?
Regression Equation
Regression Coe cients, Standard Errors, T-statistics, Level

Introduction to Econometrics
STAT-S-301
Assessing Studies Based on
Multiple Regression (2016/2017)
Lecturer: Yves Dominicy
Teaching Assistant: Elise Petit
1
Assessing Studies Based on Multiple Regression
Multiple regression has some key virtues:
It provi

Introduction to Econometrics
STAT-S-301
Panel Data (2016/2017)
Lecturer: Yves Dominicy
Teaching Assistant: Elise Petit
1
Regression with Panel Data
A panel dataset contains observations on multiple entities
(individuals), where each entity is observed at

Introduction to Econometrics
STAT-S-301
Review of Statistical Theory (2016/2017)
Lecturer: Yves Dominicy
Teaching Assistant: Elise Petit
1
Outline:
1.
2.
3.
4.
The probability framework for statistical inference
Estimation
Testing
Confidence Intervals
2
P

Introduction to Econometrics
STAT-S-301
Non-linear Regression (2016/2017)
Lecturer: Yves Dominicy
Teaching Assistant: Elise Petit
1
Non-linear Regression Functions
Everything so far has been linear in the Xs.
The approximation that the regression functi

Introduction to Econometrics
STAT-S-301
Multiple Regression (2016/2017)
Lecturer: Yves Dominicy
Teaching Assistant: Elise Petit
1
OLS estimate of the TS/STR relation:
OLS estimate of the Test Score/STR relation:
2
=
698.9
2.28STR,
R
= 0.05, SER = 18.6
Tes

Assessing Studies Based on Multiple
Regression
Introduction to econometrics (STAT-S-301)
Yves Dominicy
Introduction to econometrics: 2016-2017
1/ 5
Multiple Regression
It provides an estimate of the effect on Y of arbitrary
changes of X .
It resolves the

Test 1 Review Sheet
Math 257
October 2, 2016
1. PROBLEM SETS #1 and #2 (BLANK PAPER PRACTICE)
Be able to do all problems (includes hard and easy).
Review your graded sets avoid repeating an error.
2. CHALLENGING CONCEPTS (TRY EXPLAINING INFORMALLY TO OTHE

Macroeconomics
Reflection#1
Tianzhe Wei
This week we went through chapter 1 and small part of chapter 2. The contents are
basically things I learnt in previous ECO courses.
Chapter 1: Introduction to Macroeconomics.
Basic concepts to remember:
The standar

Macroeconomics
Projection#3
Tianzhe Wei
Question: as a model, what are the strengths and weaknesses of the Solow Model?
Chapter 6: Growth and Ideas
1
Balanced-growth path: In macroeconomics, the balanced-growth path of a
dynamic model is a trajectory such

Macroeconomics
Reflection#1
Tianzhe Wei
Chapter 2: Measuring the Macroeconomy
When comparing GDP per capita across countries, there are two issues to consider:
1. Use the exchange rate to make the conversion.
2. Adjust according to purchasing power.
Equat

Macroeconomics
Projection#2
Tianzhe Wei
Chapter 5: The Solow growth model
The Solow growth model: Solow model is the production model with only one change:
accumulation of capital is endogenized in the Solow model it is converted from an
exogenous variabl

Exam 2 Notes
Know and understand all of the homework problems
Know all definitions, lemmas, proposition, theorems, and corollaries
Length: 6 problems (plus or minus 1 problem). One will ask for definitions and for the statement
of theorems (as in Test

Macroeconomics
Reflection#3
Tianzhe Wei
Question: What happens to output in response to this increase in the depreciation rate?
Chapter 5: The Solow Growth Model
Cobb-Douglass Production Function:
, (0 < b <1)
It has Constant Returns to Scale because b+1-

Test 2 Review Sheet
Math 257
October 31, 2016
1. The following parts of PROBLEM SETS #3 and #4 (BLANK PAPER PRACTICE)
Problem Set 3, # 1, #2, #3 (excludes #4)
Problem Set 4, #1, #2, and #4 (excludes #3)
Review your graded sets avoid repeating an error.
II

A Look at Permutations and Their Partitions
William Adamczak
Siena College
October 25, 2016
.
. .
William Adamczak (Siena College)
A Look at Permutations and Their Partitions
. . . . . . . . . . . . . .
. . . . . . . . . . . . . .
October 25, 2016
.
.
.
.

ECONOMETRICS
Bruce E. Hansen
c
2000,
20161
University of Wisconsin
Department of Economics
This Revision: January 14, 2016
Comments Welcome
1
This manuscript may be printed and reproduced for individual or instructional use, but may not be
printed for com