Australian Retailers Association chief executive Paul Zahra has flatly rejected a proposal by Vicinity Centres boss Grant Kelley that rental agreements include a base rent plus a variable component based on a proportion of a tenant's online sales.

Both were speaking on a panel as part of the The Australian Financial Review Virtual Retail Summit, which highlighted starkly differing views among tenants and landlords about how retail rents should be structured in a post-COVID-19 world.