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Transport and Farm to Market 2008-2011

Honduras, 2008 - 2011
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Reference ID
HND_2008_MCC-TFM_v01_M
Producer(s)
NORC
Metadata
DDI/XML JSON
Created on
Jul 07, 2015
Last modified
Mar 29, 2019
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  • Study Description
  • Data Dictionary
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  • Identification
  • Version
  • Scope
  • Coverage
  • Producers and sponsors
  • Sampling
  • Survey instrument
  • Data collection
  • Data processing
  • Data appraisal
  • Access policy
  • Data Access
  • Contacts
  • Metadata production
  • Identification

    Survey ID number

    HND_2008_MCC-TFM_v01_M

    Title

    Transport and Farm to Market 2008-2011

    Country
    Name Country code
    Honduras HND
    Study type

    Independent Evaluation

    Abstract

    The evaluation of the Transport Project and Farm to Market Roads Activity aimed to answer whether or not improved conditions throughout the road network:
    • Lowered transport costs and travel time for businesses, including farm households;
    • Provided better access to a wider range of job opportunities for individuals (labor market effects);
    • Lowered the price of consumables and inputs by increasing competition and reducing barriers to entry posed by poor transport infrastructure; and
    • Improved access to health establishments and schools

    The overall expected result of these changes was an increase in overall incomes and employment at the household level. To comprehensively evaluate the impact of the MCA Honduras Transportation project, the Independent Evaluator used two methods: (i) a model-based approach, in which the treatment effect is represented by change in travel time, and the program impact is represented as a function of change in travel time. The model relies heavily on Geographic Information Systems (GIS) data for several purposes, including the estimation of changes in travel time; and (ii) HDM-IV analysis.

    Kind of Data

    Other

    Unit of Analysis

    Household; Road

    Version

    Version Description

    Anonymized dataset for public distribution

    Scope

    Keywords
    Transportation Roads HDM-IV Honduras Continuous treatment

    Coverage

    Universe

    The target population for the household survey was the population of all households in Honduras at the beginning and end of the project. We used a sample frame constructed for the most recent National Census. Because that Census was conducted a number of years ago (2001), the survey field procedures included procedures to ensure that all current households are subject to sampling (e.g., use of systematic sampling over all of the current households of the entire census segment).

    Producers and sponsors

    Primary investigators
    Name Affiliation
    NORC University of Chicago
    Funding Agency/Sponsor
    Name
    Millennium Challenge Corporation

    Sampling

    Sampling Procedure

    Please see Annex 3 of Final Evaluation Report for details. NORC used a panel survey with a stratified two-stage sample design in which the first-stage sample units are caserios. Caserios were selected for use as the first-stage sample unit not only because they (like Census segments) are an efficient size for sampling, but also because a substantial amount of GIS data is available for them.

    The sample frame was a list of 22,816 caserios stored in the GIS (and the same as those available from the Census). Caserios in the Islas de la Bahia and Gracias a Dios departments, and caserios in protected status, were excluded as out of scope, reducing the sample frame size to 20,467. These are the primary sampling units (PSUs) for the study.

    The caserio sample size and the number of households to be selected from each sample caserio were determined by a detailed statistical power analysis. Based on this analysis, NORC decided to select a sample of 20 households from each of 100 sample caserios. That is, the sample design called for a sample of 2,000 households located in 100 caserios, in each of two survey rounds (before and after the program intervention). The same households were to be interviewed in both survey rounds. Because some caserios did not contain 20 households, baseline data were collected on a total of 1,600 households.

    Deviations from the Sample Design

    There were no deviations from the sample design.

    Response Rate

    Of the targeted households, 1,408 households, or about 88 percent, yielded completed interviews in the second round of data collection.

    Weighting

    Probabilities of selection of caserios (the PSU) are contained in the file named SampleWith SelectionProbabilities.xls. "Base weights" would be calculated as the reciprocal of the variable "Prob," normalized.

    Survey instrument

    Questionnaires

    Household survey; Origin and Destination survey; Traffic Volume; Traffic Speed

    Data collection

    Dates of Data Collection
    Start End Cycle
    2008-08 2008-08 Baseline
    2011-04 2011-04 Endline
    Data Collectors
    Name Affiliation
    Honduran National Institute of Statistics (Instituto Nacional de Estadistica) Data collection firm
    Supervision

    Interviewing was conducted by 17 fieldwork teams. Each team comprised three interviewers (51 total), a field editor, a driver and a supervisor (17 total in each position). Each team used a 4-wheel drive vehicle to travel from cluster to cluster (caserios) and within cluster where necessary. Supervisors' role was to daily prepare visits, introduce interviewers to respondents, coordinate their teams, observe interviews, provide feedback to interviewers, make sure any interviewing mistakes are highlighted and rectified at the beginning of the fieldwork, and handle the answered ballots for the field editor's review.

    Responsibilities of supervisors and interviewers are described in the corresponding manuals included in the Transport Project data and documents submission. The field editor's responsibility was to check all answered ballots to find missed questions, fields incorrectly completed, any inconsistencies in the registered data.

    The role of the three technical supervisors appointed by the National Statistics Institute (INE) was to provide assistance to supervisors and reviewers about data quality, rectifying discrepancies, incorrect skips and any issues during fieldwork that needed further management beyond the role assigned to supervisors.

    Data processing

    Data Editing

    During the field stage, field editors and INE technical supervisors checked for data inconsistencies in the field and during data entry. The questionnaire included some coding for geographic reference, and once ballots were filled out, field editors checked coding was appropriately done by interviewers and also coded economic activities. Corrections were done manually by visual control of the questionnaire and no software was used.

    Data appraisal

    Estimates of Sampling Error

    Standard errors are calculated for all estimates. They are presented in the Final Report for all estimates. The standard errors were estimated using Stata procedures. They are also presented in the Stata .log file that accompanied the project documentation.

    Access policy

    Location of Data Collection

    Millennium Challenge Corporation

    Archive where study is originally stored

    Millennium Challenge Corporation
    http://data.mcc.gov/evaluations/index.php/catalog/51
    Cost: None

    Data Access

    Citation requirements

    Caldwell, Joseph, Fidel Ordoñez, Varuni Dayaratna, Michael Reynolds, John Felkner, Impact Evaluation of the Millennium Challenge Corporation Transportation Project in Honduras: Merged Baseline and Endline Household Survey Data, NORC at the University of Chicago, December 12, 2013.

    Contacts

    Contacts
    Name Affiliation Email
    Monitoring and Evaluation Unit Millennium Challenge Corporation impact-eval@mcc.gov

    Metadata production

    DDI Document ID

    DDI_HND_2008_MCC-TFM_v01_M

    Producers
    Name Affiliation Role
    NORC University of Chicago Review of Metadata
    Date of Metadata Production

    2014-03-05

    Metadata version

    DDI Document version

    Version 1 (Original 2014-3-5)
    Version 2.0 (April 2015). Edited version based on Version 01 (DDI-MCC-HND-IE-Trans-2014-v1) that was done by Millennium Challenge Corporation.

    Version notes

    As described in the Compact, the principal expected beneficiaries of the Transportation Project were (i) users of the improved roads by decreasing transportation costs to markets and social service delivery points (e.g., hospitals, schools), and (ii) employees and owners of urban and rural businesses that rely on the Honduran road network. The Transportation Project also promised to have a significant economic impact in the greater Central American region since it constitutes a key component of the Atlantic Corridor.

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