5. Acronyms Used

BR: Business Register, formerly known as the SSEL
BRB: Business Register Bridge
BLS: Bureau of Labor Statistics
CBSA: Core-Based Statistical Area
CPR: Composite Person Record. A source of residence prior to 2011.
DRB: Disclosure Review Board
ECF: Employer Characteristics File
EHF: Earnings History File
EIN: (Federal) Employer Identification Number
ES202: Historic reference for the employer data provided for the Quarterly Census of Employment and Wages (QCEW). The “ES” mnemonic appears in variable names and data values to indicate derivation from this source.
FIPS: Federal Information Processing Standards
FSRDC: Federal Statistical Research Data Center
FTI: Federal Tax Information. This term describes data that derive from Internal Revenue Service (IRS) information. It is also referred to as Title 26, or T26.
GAL: Geocoded Address List.
ICF: Individual Characteristics File. This family of tables collects observed and imputed person-level demographic characteristics.
J2J: Job-To-Job Flows
LBD: Longitudinal Business Database.
LED: Local Employment Dynamics. This term is used to refer to the voluntary partnership between the U.S. Census Bureau and state entities. The public use data products are considered LED products (QWI, J2J, LODES, PSEO, etc.).
LEHD: Longitudinal Employer Household Dynamics. This refers to the data infrastructure assembled within Census to generate the LED data products. The LEHD Snapshot is a product of that data infrastructure. The term can also refer to the program within the Center for Economic Studies at Census that manages this infrastructure.
LMI: Labor Market Information. These are state government offices responsible for collecting and disseminating data on the labor market within the states. Most have joined the LED partnership with Census, and provide some of the core data of the LEHD infrastructure.
LODES: LEHD Origin-Destination Employment Statistics. This is the public use data product providing information on linkages between place of residence and employment for jobs. This forms the microdata for the OnTheMap application.
MAF: Master Address File. An internal frame of residences and associated geographic characteristics.
MAF-ARF: Master Address File - Administrative Records File. A source of residence information in 2011.
MAFX: Master Address File Extract. An extract of the MAF that can be requested by researchers.
MOU: Memorandum of Understanding. These are agreements between agencies that govern data sharing and usage of that data.
MSA: Metropolitan Statistical Area
OPM: Office of Personnel Management. OPM partners with LEHD to provide job information for federal employees. This data is not part of the LEHD Snapshot.
OTM: OnTheMap. This the public use LED application displaying places of work and residence for jobs.
PIK: Protected Identification Key. This is an encrypted Social Security number used within Census and at the FSRDCs for linking person-level data from multiple sources. See Wagner and Layne [2014] and Mulrow et al. [2011] for more information.
PSEO: Post-Secondary Employment Outcomes. This is a public use LED data product reporting earnings, location, and industry of employment after completion of post-secondary education.
QCEW: Quarterly Census of Employment and Wages. The microdata for this BLS public use data product is collected by state LMI offices and shared with Census through the LED partnership.
QWI: Quarterly Workforce Indicators
RCF: Residence Candidate File. A source for residence information after 2011.
RDC: Research Data Centers. Predecessor to the FSRDC system.
SEIN: State employer identification number. It is constructed from the state numeric (FIPS) code and the UI account number. The BLS refers to the UI account number in combination with the reporting unit number as SESA-ID.
SEINUNIT: SEIN reporting unit. This is the place of work (establishment) reported on the QCEW.
SSEL: Standard Statistical Establishment List
SPF: Successor-Predecessor File
SSN: Social Security Number
U2W: Unit-to-Worker Impute. This is an imputation procedure to assign establishments (SEINUNITs) to jobs at multi-establishment SEINs in the LEHD infrastructure.
UI: Unemployment Insurance. In the LEHD Infrastructure, UI wage records are the quarterly earnings reports that form the jobs data. These records are used in the administration of the state unemployment insurance system.
VEO: Veteran Employment Outcomes. This is a public use LED data product reporting earnings outcomes after millitary service.