Economics 353 Lecture 9_1

Economics 353 Lecture 9_1 - Eco 353 Lecture 9 Aspects of...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
Eco 353 Lecture 9 Aspects of Population Growth
Background image of page 1

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

View Full DocumentRight Arrow Icon
US Population Today (Feb. 2010) 309 million One birth every 7 seconds One death every 11 seconds One international (net) migrant every 34 seconds Net gain, one person every 13 seconds
Background image of page 2
World Population (noon today) 6.805 billion Question: How many years until the world’s population doubles?
Background image of page 3

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

View Full DocumentRight Arrow Icon
Total Fertility Rate The number of children a woman would have is she experienced the age-specific birth rates observed in a specific period. TFR could be 8 or 2, but not 100 or -3.
Background image of page 4
Age-Specific Birth Rates This is the fraction of women at each age who have a birth. For example if 10 percent of 25 year old women have a birth the age-specific birth rate for 25 year old women would be 0.10. Question: How many children does a woman have to have to exactly replace herself with one daughter in the next generation?
Background image of page 5

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

View Full DocumentRight Arrow Icon
Replacement Level Fertility To replace a population in the long-run women must have an average of around 2.1 children. Around half of babies are girls. Some baby girls will die before reaching reproductive age.
Background image of page 6
Some TFRs (2008) Egypt Tunisia Mexico South Korea Brazil Turkey Canada U.K. Germany US
Background image of page 7

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

View Full DocumentRight Arrow Icon
What is distinctive about the US experience Rapid population growth Relatively high fertility Relatively high international migration Relatively early adoption of contraception
Background image of page 8
Migration The US is a country of migrants. Most of us do not have roots that go back very far in this country. Three main exceptions: African-Americans
Background image of page 9

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

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/20/2011 for the course ECO 353 taught by Professor Johnrizzo during the Spring '11 term at SUNY Stony Brook.

Page1 / 37

Economics 353 Lecture 9_1 - Eco 353 Lecture 9 Aspects of...

This preview shows document pages 1 - 10. Sign up to view the full document.

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