At its peak, the Flitskrediet market was estimated to be worth €6m ($6.9m), and because of the small size of the loans, they were not covered by the Authority for the Financial Markets or the Act on Financial Supervision. In 2009, the Dutch Socialist Party began campaigning for regulation of the payday loan market. -- Stock in payday lender Advance America Cash Advance Centers (AEA) has doubled from a year ago, to just under $8. Rival Cash America International Inc. (CSH) is up 64 percent, to $58. Such firms typically provide high interest loans -- due on payday -- to people who can't borrow from traditional lenders. What Is a Payday Loan? A payday loan is a type of short-term borrowing where a lender will extend high interest credit based on a borrower’s income and credit profile. A payday loan’s principal is