Note: Estimated measures of sampling variability are based on data
not adjusted for seasonal variation or holiday or trading-day differences,
and are used to make confidence statements about both adjusted and
not adjusted estimates. For information on confidentiality protection,
sampling error, nonsampling error, sample design, and definitions,
see www.census.gov/mrts/nrely.html
Survey Description
Retail e-commerce sales are estimated from the same sample used
for the Monthly Retail Trade Survey (MRTS) to estimate preliminary
and final U.S. retail sales. Advance U.S. retail sales are estimated
from a subsample of the MRTS sample that is not of adequate size
to measure changes in retail e-commerce sales.
A stratified simple random sampling method is used to select approximately
11,000 retail firms whose sales are then weighted and benchmarked
to represent the complete universe of over two million retail firms.
The MRTS sample is probability based and represents all employer
firms engaged in retail activities as defined by the North American
Industry Classification System (NAICS). Coverage includes all retailers
whether or not they are engaged in e-commerce. Online travel services,
financial brokers and dealers, and ticket sales agencies are not
classified as retail and are not included in either the total retail
or retail e-commerce sales estimates. Nonemployers are represented
in the estimates through benchmarking to prior annual survey estimates
that include nonemployer sales based on administrative records.
E-commerce sales are included in the total monthly sales estimates.
The MRTS sample is updated on an ongoing basis to account for new
retail employer businesses (including those selling via the Internet),
business deaths, and other changes to the retail business universe.
Firms are asked each month to report e-commerce sales separately.
For each month of the quarter, data for nonresponding sampling units
are imputed from responding sampling units falling within the same
kind of business and sales size category. Responding firms account
for approximately 85 percent of the e-commerce sales estimate and
about 80 percent of the estimate of U.S. retail sales for any quarter.
Velocity
Ecommerce Design
E Commerce Shopping Cart
Ecommerce
Ecommerce Custom
Ecommerce Design
Ecommerce Development
Ecommerce Merchant Account
Ecommerce Shopping Cart
Ecommerce Shopping Cart Solution
Ecommerce Store
Ecommerce Storefront
Ecommerce Web Design
Ecommerce Web Site
Ecommerce Web Site Design
Ecommerce Web Site Development
Pay Pal Ecommerce
Pay Pal Shopping Cart
Shopping Cart
Shopping Cart Design
Shopping Cart Program
Shopping Cart Solution
Turnkey Ecommerce
Web Ecommerce
Web Ecommerce Development
Web Hosting Ecommerce Merchant Account
Web Hosting Shopping Cart
Web Site Design Development Ecommerce
Web Site Shopping Cart
