problem set2 s06

problem set2 s06 - Eco572 Research Methods in Demography G....

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Eco572 – Research Methods in Demography G. Rodríguez- Spring 2006 Problem Set 2 Due March 15, 2006 [1] U.S. Mortality File us1992a.dat in the dataset section of the course website has data on deaths and exposure for U.S. white and black males in 1992 (Monthly Vital Statistics Report, vol 42, Number 6S, 22 March 1996, NCHS). The file has variable names and columns are separated by commas, so you can read it into Stata using insheet . (a) Calculate age-specific period mortality rates for 1992 for blacks and whites. (b) Plot the rates against age on a log scale. Exclude the last group, which is actually 85+. (c) Fit a Gompertz model over an appropriate age range. (d) Interpret the resulting parameters in terms of the underlying hazard rate and the rate of aging. (e) Could one include the 85+ group? What assumption(s) might be needed? [2] Model Life Tables Consider the life table of South African females you estimated in problem set 1. (We return to it again in question 5.) (a) Compute Brass's logit transformation and plot both the data and a linear fit against the
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This homework help was uploaded on 02/12/2008 for the course ECON 572 taught by Professor Rodriguez during the Spring '06 term at Princeton.

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problem set2 s06 - Eco572 Research Methods in Demography G....

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