JSM 2004 - Toronto

Abstract #301110

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Activity Number: 260
Type: Topic Contributed
Date/Time: Tuesday, August 10, 2004 : 2:00 PM to 3:50 PM
Sponsor: Section on Survey Research Methods
Abstract - #301110
Title: Evaluating Alternative Calibration Schemes for an Economic Survey with Large Nonresponse
Author(s): Chadd Crouse*+ and Phillip S. Kott
Companies: National Agricultural Statistics Service and National Agricultural Statistics Service
Address: 3251 Old Lee Hwy., Fairfax, VA, 22030-1504,
Keywords: nonresponse ; quasi-random model ; coverage adjustment ; delete-a-group jackknife
Abstract:

The U.S. Department of Agriculture conducts an annual economic survey of farm operations called the Cost and Returns Report (CRR). This survey is fairly long and is based on a multiphase sample with several opportunities for nonresponse. As a result, CRR response rates are low by government standards. The USDA has historically "trued up" the estimated number of farms within a region and economic-size class using more reliable aggregates determined from other sources. Recently, the two agencies involved in the survey have begun employing a more sophisticated linear calibration scheme to force a number of the CRR estimates to match outside totals, not just a few mutually exclusive farm counts. Delete-a-group jackknife methodology is being used to evaluate alternative calibration schemes.

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