Concepts, variables and classifications.

The article discusses the concept and variables in the Monthly Retail Trade Survey (MRTS) in the retail sector in Canada. It outlines the coverage of the MRTS which focused on store retailers that operate fixed point-of-sale locations and designed to attract a high volume of walk-in customers. The variables in the survey include sales, trading location, and constant dollars, and its coverage is classified under the North American Industry Classification System (NAICS).