Lecture9 - ECO 220Y Lecture 9 Data Collection and Research...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
ECO 220Y Lecture 9 ata Collection and Research Question Data Collection and Research Question Migiwa Tanaka Chapter 5, Chapter1 of Stock & Watson 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Outline esearch Questions Research Questions Sampling Sampling Error and Non-Sampling Error Types of Data by collection method Endogeneity Bias 2
Background image of page 2
Research Questions esearch Questions: king causal relationship among Research Questions: asking causal relationship among variables, in the context of Quantitative Methods conometrics) (Econometrics). X: Independent Variable, Explanatory Variable Y: Dependent Variable, Explained Variable Example: Does a decrease of class size improve elementary education? Y: quality of education X: Class size 3
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Sampling opulation & Sample Population & Sample Usually very costly to get population data. td d t t f l ti l Instead, need to get part of population, a sample. What kinds of approach are there to collect the data for analysis? What should we be careful about for each approach? 4
Background image of page 4
Sampling & Non-Sampling Errors mpling Error (Sampling Noise White Noise) Sampling Error (Sampling Noise, White Noise) Discrepancy between population and sample because sample is ndom but only a part of population random but only a part of population.
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/01/2011 for the course ECON 220 taught by Professor Tanaka during the Spring '11 term at University of Toronto- Toronto.

Page1 / 13

Lecture9 - ECO 220Y Lecture 9 Data Collection and Research...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online