Determine market boundaries to enable scrutiny of grocery at local level

Find out how price and non-price variables are influenced by the number and fascia of retailers in local areas

Discover how retailers vary their offer according to local factors, including rivals

Root out any evidence of retailers using the planning system anti-competitively; scrutinise relationships between retailers' landbanks and existing stores

Get term details from more suppliers to find out if there is a waterbed effect

Define the market on basis of retailer offer

Quiz retailers about why their milk revenue share has increased to the farmers' cost

Look at supplier investment in R&D to see whether it has declined in recent years

Investigate whether below-cost selling is being used to make consumers mistakenly think goods are cheap