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Re: st: bysort variable measuring continuous increase in panel variable


From   Nick Cox <[email protected]>
To   "[email protected]" <[email protected]>
Subject   Re: st: bysort variable measuring continuous increase in panel variable
Date   Wed, 21 Aug 2013 21:27:02 +0100

-tsspell- (SSC) is  a general tool here. One of its examples (inspired
by Kit Baum) is about identifying spells of GDP growth.

-search spell, sj- for a downloadable parallel discussion.
Nick
[email protected]


On 21 August 2013 20:51, Nickolas Lyell <[email protected]> wrote:
> Hi,
>
> I'm trying to generate a variable that identifies when a county did not have a recession, by indicating when there was continual economic growth.
>
> In a sense, I want:
>
> bysort fips_num:  noRecession = 1 if GDP[2013] > GDP[2012]
>
> continued over a set period of years so it returns 1 only if the growth was continuous over a set period of years (say 2002 - 2013).
> Fips_num is my id for groups of observations, with the panel encompassing the years 1990-2013.
>
> Is a for loop the best way to accomplish this?
>
>
> Thank you much,
> ---
> Nicholas Lyell
>
>
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