Across the pond, affluent citizens from France, Britain and other European nations who are increasingly concerned about their assets due to the deepening euro zone’s sovereign debt crisis are flying to buy one of the world’s most stable investments: Manhattan real estate. As a result of the demand from overseas, New York’s condo values are expected to increase, enabling the foreign investor to use cash to generate returns with a resale and avoid high taxes at home. To further entice foreign buyers, Senators Chuck Schumer of New York and Mike Lee of Utah introduced a bill last fall that would give foreign buyers three-year visas if they invested at least $500,000 in cash in U.S. residential real estate.