Population density and city size are ____ variables used for market segmentation.

Retail convergence most likely leads to ________.

The 'assortment' decision positions the reseller in the market. Under which assortment strategy would the following be categorized: carrying a product family in depth drawing on many producers' output.

The quality of some services such as a medical diagnosis is extremely difficult to determine even after the service has been rendered. Such services are _____________.