Merging the iconic New York Stock Exchange with Germany’s Deutsche Boerse AG will force European companies to switch to using U.S. accounting rules which have superior disclosures, Mayor Michael Bloomberg said on Friday.” This will force a common set of accounting standards on the world; the American disclosures are better,” Bloomberg said on his weekly WOR radio show, though he admitted U.S. rules did not prevent Bernard Madoff from swindling billions of dollars through a Ponzi scheme. [Reuters]