princ-ch20-presentation6e mankiw_6版微观经济学部分12-22章完整(全英文).ppt

* * * This is an updated version of Table 1 in Chapter 20. Source: U.S. Bureau of the Census, Historical Income Inequality Tables, Table H1, available at: /hhes/www/income/data/historical/inequality/index.html There’s one key difference: This table refers to households rather than families. If you’d prefer to use family data (to be perfectly consistent with the data reported in the textbook), then use Table F-1 from the above link. * * * Each point is the ratio of two numbers: The share of U.S. income received by the top 20% of families, relative to the share of U.S. income received by the bottom 20%. Source: U.S. Census Historical Income Table F-2, /hhes/www/income/data/historical/inequality/index.html * * * At least among this sample of countries, the U.S. is roughly in the middle with respect to inequality. Source: Figure 1, Chapter 20. * * * The figures on this slide are updated from the textbook. Source for poverty figures: /hhes/www/poverty/data/incpovhlth/2009/tables.html Source for median family income: /servlet/GRTTable?_bm=y-geo_id=01000US-_box_head_nbr=R1902-ds_name=ACS_2009_1YR_G00_-redoLog=false-mt_name=ACS_2008_1YR_G00_R1902_US30-format=US-30 * * * The poverty rate appears correlated with business cycles. For example, 1992–2000 was the longest economic expansion on record, and it coincided with a gradual fall in the poverty rate. The U.S. experienced recessions in the early 2000s and 2008–2009, and the poverty rate rose. Source: Figure 1, Chapter 20. Original source: U.S. Bureau of the Census. /hhes/www/poverty/data/historical/people.html, Table 19 * * * This slide updates the data in Table 3 of Chapter 20. Source: U.S. Bureau of the Census, /hhes/www/poverty/data/incpovhlth/2009/tables.html, especially: /hhes/www/poverty/data/incpovhlth/2009/table4.pdf /hhes/www/poverty/data/incpovhlth/2009/table6.pdf * * * * * * * * * * * * * * * * * * * * * * * * Students will recall the effects of the minimum wage from Chapter