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Improving Internal Migration Estimates: Update

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where record appears only in Y1 or Y2 file. with a foreign address on either ... (Foreign OUTs Internal OUTs)/ (Nonmigrants Internal Outs Foreign Outs) ... – PowerPoint PPT presentation

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Title: Improving Internal Migration Estimates: Update


1
Improving Internal Migration Estimates
Update
  • Esther R. Miller
  • Presentation at blah blah

2
State County Characteristics Domestic
Migration Migration Universe
  • Exclude records
  • where record appears only in Y1 or Y2 file
  • with a foreign address on either the Y1 or Y2
    return
  • where Y1-Y2 IRS match does not match to PCF

3
Producing Migration Estimates Process
Improvements
  • Increase efficiency by consolidating two
    pre-processing systems
  • State and County Totals (Totals)
  • State and County Characteristics
  • Migration Computations Differ
  • Summarize Migration to County Level
  • (Foreign Ins Internal Ins Y2 only 1040NR) -
  • (Foreign OUTs Internal OUTs)/
  • (Nonmigrants Internal Outs Foreign Outs)
  • - Characteristics methodology described in the
    Workshop

4
Producing Migration Estimates Process
Improvements (cont.)
  • Use identical selection criteria to prepare base
    for internal migration files
  • Remove all foreign returns
  • In-migrants will equal Out-migrants at the
    national level
  • Remove Y2 only 1040NR (non-resident) returns
  • Treat returns as foreign returns
  • Remove Y1-Y2 matched returns that do not match to
    the Numident file
  • Represents 0.4 percent of all matched returns
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