prices below cost - drive out compe [xpn: price=good faith]
imposing barriers - prevent compe [xpn: superior products]
transactions subj to acceptsnce
price discrimination - setting other prices [xpn: permissible]
restriction on lease/sale [xpn: permissible
franchise, licensing, distrib]
dependent supplies upon purch of other
low purch price (unfair) - marginalized providers
unfair price to compe, customers, suppliers
limit production, market, techdev [xpn: market changes]