The Financial Stability Board has published principles for sound residential mortgage underwriting practices, emphasizing that participating jurisdictions should make sure lenders are effectively verifying income and other financial information, insisting on reasonable debt service coverage and appropriate loan-to-value ratios, engaging in effective collateral management, and making prudent use of mortgage insurance. The FSB said some or all of the principles may not necessarily be appropriate or applicable for certain niche forms of finance. But jurisdictions should...