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Missing(ness) in Action (Record no. 25412)

000 -LEADER
fixed length control field	03028cam a22003614a 4500
001 - CONTROL NUMBER
control field	6490
003 - CONTROL NUMBER IDENTIFIER
control field	The World Bank
006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS--GENERAL INFORMATION
fixed length control field	m d
007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION
fixed length control field	cr cn\|\|\|\|\|\|\|\|\|
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field	020129s2013 dcu i001 0 eng
024 8# - OTHER STANDARD IDENTIFIER
Standard number or code	10.1596/1813-9450-6490
035 ## - SYSTEM CONTROL NUMBER
System control number	(The World Bank)6490
100 1# - MAIN ENTRY--PERSONAL NAME
Personal name	Kilic, Talip
245 10 - TITLE STATEMENT
Title	Missing(ness) in Action
Medium	[electronic resource] :
Remainder of title	Selectivity Bias in GPS-Based Land Area Measurements /
Statement of responsibility, etc	Talip Kilic
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Place of publication, distribution, etc	Washington, D.C.,
Name of publisher, distributor, etc	The World Bank,
Date of publication, distribution, etc	2013
300 ## - PHYSICAL DESCRIPTION
Extent	1 online resource (31 p.)
520 3# - SUMMARY, ETC.
Summary, etc	Land area is a fundamental component of agricultural statistics, and of analyses undertaken by agricultural economists. While household surveys in developing countries have traditionally relied on farmers' own, potentially error-prone, land area assessments, the availability of affordable and reliable Global Positioning System (GPS) units has made GPS-based area measurement a practical alternative. Nonetheless, in an attempt to reduce costs, keep interview durations within reasonable limits, and avoid the difficulty of asking respondents to accompany interviewers to distant plots, survey implementing agencies typically require interviewers to record GPS-based area measurements only for plots within a given radius of dwelling locations. It is, therefore, common for as much as a third of the sample plots not to be measured, and research has not shed light on the possible selection bias in analyses relying on partial data due to gaps in GPS-based area measures. This paper explores the patterns of missingness in GPS-based plot areas, and investigates their implications for land productivity estimates and the inverse scale-land productivity relationship. Using Multiple Imputation (MI) to predict missing GPS-based plot areas in nationally-representative survey data from Uganda and Tanzania, the paper highlights the potential of MI in reliably simulating the missing data, and confirms the existence of an inverse scale-land productivity relationship, which is strengthened by using the complete, multiply-imputed dataset. The study demonstrates the usefulness of judiciously reconstructed GPS-based areas in alleviating concerns over potential measurement error in farmer-reported areas, and with regards to systematic bias in plot selection for GPS-based area measurement.
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element	Global Positioning System
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element	Land Area Measurement
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element	Land Productivity
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element	Macroeconomics and Economic Growth
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element	Missing Data
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element	Multiple Imputation
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element	Poverty Reduction
651 #4 - SUBJECT ADDED ENTRY--GEOGRAPHIC NAME
Geographic name	Sub-Saharan Africa
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name	Carletto, Calogero
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name	Kilic, Talip
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name	Savastano, Sara
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name	Zezza, Alberto
776 18 - ADDITIONAL PHYSICAL FORM ENTRY
Main entry heading	Print version:
Display text	Kilic, Talip
Title	Missing(ness) in Action.
Place, publisher, and date of publication	Washington, D.C. : The World Bank, 2013
830 #0 - SERIES ADDED ENTRY--UNIFORM TITLE
Uniform title	Policy research working papers.
830 #0 - SERIES ADDED ENTRY--UNIFORM TITLE
Uniform title	World Bank e-Library.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier	<a href="http://elibrary.worldbank.org/doi/book/10.1596/1813-9450-6490">http://elibrary.worldbank.org/doi/book/10.1596/1813-9450-6490</a>

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