A-IRB, the most advanced method of assessing credit risk.

ECONOMIST: Bothersome Basel

But the research also shows that tip size is affected by the size of the dining party (larger groups tip more), the method of payment (credit cards yield higher percentages than checks or cash), and by the amount of alcohol consumed (not surprisingly).

FORBES: Tips for Influencing the Size of Tips

Among historians of capitalism and technology, the process of engineering--a method of repeatable creation derived from the 17th-century discovery and exploitation of the scientific method--gets much of the credit for our world.

FORBES: Commentary

The best method of payment abroad is a credit card, which offers the best policies and protections against fraud and theft.

FORBES: The New Way to Travel Cheap

As unemployment is still high in the U.S., the primary method of financing new consumption is through credit cards.

FORBES: Consumer Credit Rebound Kicks Capital One Up To $61

Public health authorities have mined medical data to spot the outbreak of infectious disease, and credit-card companies have found fraudulent credit-card purchases with the method, among other applications.

CENTERFORSECURITYPOLICY: Balancing security and privacy during wartime

The structure of the charges can vary depending on payment method (by direct debit, pre-payment meter, or credit transfer such as cheque), on whether it is an internet-only tariff, which part of the country the customer lives in, if the deal involves a fixed price, when the deal was launched, how long it lasts, and so on.

BBC: Ed Davey announces 'four core tariff' plan