AHS Digest

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From: david_a._vandenbroucke@hud.gov on 8/4/2006 7:12:14 AM
Subject: AHS: 2004 CINCH Reports

The Components of Inventory Change (CINCH) and Rental
Dynamics reports and dataset based on the 2004 metropolitan
American Housing Survey are now available for download from
HUD USER, https://www.huduser.gov/datasets/cinch.html . The
reports were prepared by Frederick J. Eggers and Fouad
Moumen of Econometrica, Inc., under contract with HUD.

The CINCH project uses the longitudinal features of the AHS
to examine what happens to the housing stock between two
surveys. The reports present two sets of tables,
forward-looking and backward-looking. The forward-looking
tables show what happened to the housing stock that existed
at the beginning of the period. Thus, in the current
reports, the forward-looking tables show how the 1995 or
1996 housing stock (depending on metro area) had changed by
2004. Units may be unchanged, in the stock but modified, or
no longer in the stock for a variety of reasons. The
backward-looking tables show the sources of the housing
stock that existed at the end of the period. In the current
case, that means that the backward-looking tables show the
state of the 2004 stock as of 1995 or 1996. The units may
have existed in the same state, may have existed with
different characteristics, or may have been added to the
stock after the previous survey, from a variety of sources.

Rental Dynamics is a special case of CINCH, concentrating on
rental housing affordability. Rental housing units are
traced, showing their change in affordability (with respect
to area median income) and movement into and out of the
rental stock. The reports include both forward-looking and
backward-looking rental dynamics tables.

In addition to the PDF reports, the web page holds a
document describing the procedure used to calculate
consistent weights for the project, plus a database. The
database, available in SAS and ASCII formats, contains the
weights, the forward- and backward-looking CINCH status,
and the forward- and backward-looking Rental Dynamics status
for each housing unit. Records in the database can be
linked to the regular AHS data files for analysts who want
to do custom tabulations. The zip files containing the
database also contain a documentation file and all the SAS
programs that were used to generate the data and produce the
tabulations.

The 2004 CINCH and Rental Dynamics reports and database
cover these metropolitan areas:

Atlanta (1996)
Cleveland (1996)
Denver (1995)
Hartford (1996)
Indianapolis (1996)
Memphis (1996)
New Orleans (1995)
Oklahoma City (1996)
Pittsburgh (1995)
Sacramento (1996)
San Antonio (1995)
St. Louis (1996)
Seattle-Everett (1996)

Dav Vandenbroucke
Senior Economist
U.S. Dept. HUD
david_a._vandenbroucke@hud.gov
202-708-1060 ext. 5890


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