The ability to challenge or compete, specifically regarding a contract for goods or services in the UK. Contestability is integral to NHS policy, and central to ensuring fair competition within the market for NHS funded services.
In other words, there should be a contestability differential between the evaluator and the evaluand if an inscription device is to achieve maximum success as part of a construction of a changed social reality.
If contestability of markets has nothing to do with the size of firms or the number of competitors, and focuses only on the freedom to entry, there seems to be no role left for the government to "support" competition.
To that end, the state's role in enhancing banking competition is through designing policies that guarantee market contestability through healthy entry of well- capitalised institutions and timely exit of insolvent ones and by creating a market-friendly informational and institutional framework.