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From |
Quang Nguyen <[email protected]> |

To |
[email protected] |

Subject |
Re: st: RE: How can estimate dicount rate for each household in the panel data |

Date |
Tue, 17 Feb 2009 09:50:21 -1000 |

As always, excellent advice by Nick! I highly appreciate it. Many thanks and Have A Great Day! On Tue, Feb 17, 2009 at 8:35 AM, Nick Cox <[email protected]> wrote: > I wouldn't use -nl- to estimate this rate. On the face of it, it is more > natural to take logs and then fit a regression in each panel. You can do > that using -statsby- to pick up the regression slopes. Then -merge- back > to your original dataset. > > Nick > [email protected] > > Quang Nguyen > > I have the following sample data set: > > Household x y t > 1 60 120 7 > 1 120 100 30 > 1 100 300 60 > 1 50 250 900 > ... > 2 > 2 > 2 > ... > I would like to estimate the discount rate for each household based > on the fomular: x = y*exp(-rt), where r is the interest rate. I know > that in Stata we can use: nl (x=y*(exp(*-{r}*t) for each household. My > questions are: > > 1. How we can ask State to do the the above estimate for all household > at the same time instead of one by one? > > 2. How can we save the ESTIMATED discount rates as an variable that > can be used for latter analysis? For instance, on emay study the > relationship between the household's discount rate and the educational > level. > > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ > -- "My father gave me the greatest gift anyone could give another person, he believed in me." - Jim Valvano * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

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