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******************************************* 1. The original data set covered
2001-2005, which was later supplemented to include 2006-2007
for those who requested it. This extension will now
cumulatively more than double the initial length of the data
set. IRI would like to cover at least some portion of the
direct cost of assembling this data set. For this reason, the
following pricing schedule is now in place: a. The price for 2001-2011 (11
years) will be $1000. b. For those who already purchased
the data set, the cost to update 2008-2011 (or 2006-2011 if
you did not previously update the 2001-2005 dataset) will be
$500. This will be provided on DVDs. c. No other combinations will
provided. 2. In order to purchase the data set
as a whole, or the 2008-2011 update, researchers must complete
an updated version of the NDA. This NDA allows either option
1a or 1b. The conditions of the NDA are unchanged. If this is
an update purchase and you are collaborating with another
author, one members signature is sufficient. Note the NDA
includes the provision of later years by reference: If
subsequent years of similar data either are included in the
initial shipment or are provided later to the researcher,
these are subject to the same conditions unless these data
are covered by a different agreement. 3. Completed NDAs may be returned to
mike.kruger@symphonyiri.com for
now; IRI will ship beginning January 2. As Mike will be
retiring during 2013, this email address will change and we
will be update the list information when we get a firm
address. IRI cannot commit to continuing this program. Please
do not make finishing your dissertation contingent on
receiving year 2012 data. The structure of the extension data set is
the same as the original in terms of markets and categories.
The time stamp on the consumer panel data has been improved,
so it will be possible to directly relate the category
purchases households made on a trip to the total purchases
across all categories made on the trip. The years 2008-2011
were an unfortunately interesting part of the business cycle,
and with the increasing use of this data set by economists
these added years will likely be of interest for those
macroeconomic topics. Tempting as it is to repeat the entire
substance of the NDA in this email, we will limit ourselves to
these reminders: (1) cite the Bronnenberg, Kruger and Mela
paper if you use this dataset to ensure a consistent
representation of the data to those who may be interested in
it, (2) send papers to IRI for review solely to check for
factual errors in representing the raw data, and (3) the data
are for academic research only e.g. no consulting.
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