Skip to main content

Advertisement

Table 5 Basic input notation

From: Using electronic transaction data to add geographic granularity to official estimates of retail sales

Notation Definition
\(EC_{ijk}\) Industry-specific retail sales from the 2012 Economic Census (EC)
\(m_{ijk}\) Number of merchants (FD)
\(n_{ijk}\) Number of establishments (CBP and NES)
\(POP_{ijk}\) Resident population (PEP)
\(QE\_ACC_{ijk}\) Quarterly earnings for those working in the accommodation and food sector (SPI)
\(QE\_CON_{ijk}\) Quarterly earnings for those working in the construction sector (SPI)
\(QE\_RET_{ijk}\) Quarterly earnings for those working in the retail trade sector (SPI)
\(t_{ijk}^{raw}\) Aggregate of spend (FD)
\(t_{ijk}^{adj}\) Adjusted aggregate of FD spend to account for FD merchant coverage \(= \left( {\frac{{n_{ijk} }}{{m_{ijk} }}} \right)t_{ijk}^{raw}\)
\(\widehat{Y}^{MRTS}\) National-level retail sales estimate (MRTS)