By Jeanne Sahadi
CNNMoney.com senior writer

NEW YORK (CNNMoney.com) -- If your boss wants to transfer you to Moscow this year, he'd better offer you a fair sum to do so - or even a downright handsome one depending on where you live now. That's because Moscow has just been designated the world's most expensive city for the second year in a row by Mercer Human Resource Consulting.

Using the cost of living in New York as a base, Mercer determined Moscow is 34.4 percent more expensive after taking into account the cost of housing, transportation, food, clothing, household goods and entertainment.

"The appreciation of the ruble against the U.S. dollar, combined with ever-increasing accommodation charges, has driven up costs for expatriates in Moscow," Mercer research manager Nathalie Constantin-Metral said in a statement.

A luxury two-bedroom in Moscow now rents for $4,000 a month; a CD costs $24.83, and an international newspaper, $6.30, according to Mercer. By comparison, a fast food meal with a burger is a steal at $4.80.

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