Differential pricing is, also known as ''flexible pricing'', ''multiple pricing'' or ''price discrimination'' is, occurs where different prices are charged to different customers or market-segments, and may be dependent on the service provider's assessment of the customer's willingness or ability to pay.<ref>Business DictionaryPhlips,Readmore: {{cite web |url=http://wwwL.businessdictionary.com/definition/differential-pricing.html, |title=What''The isEconomics differentialof pricing?Price DefinitionDiscrimination'', andCambridge meaningUniversity |accessdate=2017-01-22Press, |deadurl=no1983, |archiveurl=https://webp.archive.org/web/20170202014132/http://www.businessdictionary.com/definition/differential-pricing.html |archivedate=2017-02-02 |df=}}5</ref> There are various forms of price difference including: the type of customer, the geographic area served, the quantity ordered, delivery time, payment terms, etc.