Sjtu cmgpd 2012 methodological lecture
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SJTU CMGPD 2012 Methodological Lecture. Recommended Acknowledgments Contemporary Applications of Historical Data Origins of the CMGPD-LN Key Features. CMGPD-LN.

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SJTU CMGPD 2012 Methodological Lecture

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Sjtu cmgpd 2012 methodological lecture

SJTU CMGPD 2012Methodological Lecture

Recommended Acknowledgments

Contemporary Applications of Historical Data

Origins of the CMGPD-LN

Key Features


Cmgpd ln

CMGPD-LN

Public release at ICPSR supported by the United States Department of Health and Human Services. National Institutes of Health. Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01 HD057175-01A1) with funds from the American Recovery and Reinvestment Act


Acknowledging the cmgpd

Acknowledging the CMGPD

  • Please include acknowledge and cite the CMGPD in your publications

  • This will allow us to document use of the CMGPD

  • Will facilitate future applications for support to release additional databases by providing evidence of demand

  • Please also send us copies of any papers that results from use of the CMGPD


Recommended acknowledgement please include in all publications

Recommended acknowledgementPlease include in ALL publications

This research made use of the CMGPD-LN dataset. Preparation of the CMGPD-LN and documentation for public release via ICPSR DSDR was supported by United States Department of Health and Human Services National Institutes of Health Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) R01 HD057175-01A1 "Multi-Generational Family and Life History Panel Dataset" with funds from the American Recovery and Reinvestment Act.


Recommended citations please include in all publications

Recommended citationsPlease include in ALL Publications

  • User guide

    • Lee, James Z, Cameron Campbell, and Shuang Chen. 2010. China Multi-Generational Panel Dataset, Liaoning (CMGPD-LN) 1749-1909. User Guide. Ann Arbor, MI: Inter-university Consortium for Political and Social Research.

  • Dataset

    • Lee, James Z., and Cameron D. Campbell. China Multi-Generational Panel Dataset, Liaoning (CMGPD-LN), 1749-1909 [Computer file]. ICPSR27063-v5. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2011-06-27. doi:10.3886/ICPSR27063


Contemporary topics

Contemporary Topics

  • Family contextual effects on individual outcomes

  • Neighborhood and community context

  • Life-course processes

    • Conditions in childhood

    • Long-term effects of socioeconomic status

  • Economic, climatic and other shocks

  • Multigenerational processes

    • Interactions with stratification and inequality


Limitations of contemporary data

Limitations of contemporary data

  • Time depth

    • Panel/cohort studies are recent

    • Prospective data only for portions of life span

    • Exceptions: British Cohort Studies

  • Family context

    • Limited to parents, sometimes siblings

    • Typically co-resident

    • Exceptions: PSID, WLS


Limitations of contemporary data1

Limitations of contemporary data

  • Event counts

    • When mortality is low, ‘degree of freedom’ problem in all but the largest datasets

    • Difficult to explore complex interactions

  • Exogenous shocks

    • Rare enough that their consequences are studied individually

    • Indonesian Tsunami, Hurricane Katrina etc.


Historical population databases

Historical population databases

  • Individual life histories

  • Prospective

  • In some cases…

    • Multigenerational

    • Household and community context

    • Kinship

  • Exogenous shocks: Price spikes, climate fluctuations, disease epidemics

  • High mortality levels

  • Examples: CMGPD-LN, HSN, PRDH, UAS, UPD


History of the cmgpd ln

History of the CMGPD-LN

  • Early 1980s: JuDeyuan at the First Historical Archives alerted James Lee to the existence of the registers at the Liaoning Provincial Archives (LPA) in the early

  • James Lee visits LPA three times 1982-1985

  • Lee and Campbell visit LPA 1987

  • LPA provides Daoyi registers (dataset 1) that become basis of Fate and Fortune


History of the cmgpd ln1

History of the CMGPD-LN

  • Datasets 3 and 2 obtained from LPA in early nineties and coded

  • 1990-1999: datasets 4-10

    • Datasets became available from the Genealogical Society of Utah

    • Data entry carried out in the United States

  • 1999-2008: datasets 11-29

    • Data entry carried out in China


Cmgpd ln organization of the release

CMGPD-LNOrganization of the Release

  • Basic Dataset (DS-001)

    • Identifiers for data management, basic variables

  • Restricted Dataset (DS-002)

    • Names and village locations

  • Analytic Dataset (DS-003)

    • Richer set of socioeconomic status variables

  • Kinship Dataset (DS-004)

    • Ancestry identifiers, constructed kin counts

  • Additional files with


Sjtu cmgpd 2012 methodological lecture

CMGPD-LN

Contents

  • Longitudinal

    • Individuals and households can be linked from one register to the next

  • 1.5 million observations of 260,000 people

    • 1,051 paternal descent groups identified through record linkage

    • 698 communities

  • Generational depth

    • 1749-1909

    • 7 generations

  • (Relatively) Easy to Use

    • Resemble longitudinally-linked Censuses

    • Discrete-time event history (logistic regression etc.)


Cmgpd ln contents

CMGPD-LNContents

  • Demographic outcomes

    • Mortality

    • Marriage

    • Reproduction (based on surviving children)

    • Migration

      • Timing of events

      • Closed, can identify individuals at risk

  • Health and Disability

    • In early registers, annotation of specific conditions for adult males.

    • In later registers, indicator of whether or not disabled for adult males.


Cmgpd ln contents1

CMGPD-LNContents

  • Socioeconomic characteristics

    • Attainment of official position for adult males

    • Status as an exam candidate, indicative of high education

  • Given name

    • Flag variables for types of name

      • Diminutive, indicative of low status or aspirations

      • Non-Han, indicative of expressed ethnicity

    • Pinyin transcriptions in restricted release


Cmgpd ln contents2

CMGPD-LNContents

  • Geographic context

    • Villages distributed across a region the size of New Jersey

      • Wide variety of economic and ecological contexts

    • Basic release

      • Region

      • Unique village identifier

    • Restricted release

      • Geocodes for villages accounting for 95% of population


Cmgpd ln contents3

CMGPD-LNContents

  • Household and family context

    • Household of residence

    • Relationship to head

  • Relatives can be linked to reconstruct descent groups

    • Via automated record linkage based on household relationship and longitudinal linkage of individual records

  • Kin outside the household

  • Based kinship variables, including parent identifiers, and counts of close kin, available now

  • Additional constructed kinship variables available next year


Sjtu cmgpd 2012 methodological lecture

REGION (approximate)


Sjtu cmgpd 2012 methodological lecture

DISTRICT (approximate)


Cmgpd ln format

CMGPD-LNFormat

  • Similar in format to a series of triennial Censuses

    • Individuals listed in the same order and easy to link across time

  • Organizing by community, kin group, household

  • Detailed specification of relationship to household head

  • Events since the previous register are annotated

    • Basis for construction of flag variables specifying occurrence of events between current register and the next

  • Discrete-time event history analysis

    • Typically, logistic regression or complementary log-log regression

    • Outcome: death in the next three years

      • Restricting to registers for which the immediately succeeding register is also available


Cmgpd processing

CMGPDProcessing

  • Images scanned from microfilm

  • Provided to coders in China

  • Coders in China transcribe contents to Excel spreadsheets

    • Copy previous spreadsheet over and update based on contents of new register

  • STATA programs import the contents of the spreadsheets and perform error-checking

    • Inconsistencies across registers

  • Reports sent to coders for cleaning

    • Original registers coded ‘as is’, so if an inconsistency is in the original register we leave it

  • STATA programs carry out automated linking of kin and generation of variables for analysis


Pre 1789 format feidi yimiangcheng 1783

Pre-1789 formatFeidiYimiangcheng, 1783


Post 1789 format feidi yimiancheng 1792

Post-1789 FormatFeidiYimiancheng, 1792


Daoyi 1816

Daoyi 1816

Illegal Escape

42 sui

74 sui

23 sui

Dead


Daoyi 1819

Daoyi 1819

New arrival

Dead


Using the data record number

Using the DataRECORD_NUMBER

  • RECORD_NUMBER identifies the same observation across the different datasets

  • Use as the basis for one-to-one mergelocal cmgpd_ln_location "..\CMGPD-LN from ICPSR\ICPSR_27063“use "`cmgpd_ln_location'\DS0001\27063-0001-Data“merge 1:1 RECORD_NUMBER using "`cmgpd_ln_location'\DS0003\27063-0003-Data"


Using the data record number1

Using the DataRECORD_NUMBER

  • If the merged datasets won’t fit into memory, make use of options on use and merge to load specific variablesuse RECORD_ID YEAR SEX using "`cmgpd_ln_location'\DS0001\27063-0001-Data“merge 1:1 RECORD_NUMBER using "`cmgpd_ln_location'\DS0003\27063-0003-Data“, keepusing(NON_HAN_NAME)tab YEAR if SEX == 2, sum(NON_HAN_NAME)


Using the data missing values

Using the DataMissing Values

  • Following standard practice, missing values are coded as -98 or -99

    • -98 is structural missing

    • -99 is missing

  • These are not the same as STATA missing, so observations will not be excluded automatically

  • Especially in regressions, computations of means, etc., either manually exclude these, or recode to force exclusion

    • recode ZHI_SHI_REN -99 -98=. or

    • summ ZHI_SHI_RENif ZHI_SHI_REN != -98 & ZHI_SHI_REN != -99


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