Moscow, Lagos and New York are the world's most expensive cities for corporate hotel programs, according to a biannual report released Thursday by Hogg Robinson Group. The travel management company uses a combination of actual room nights booked by HRG clients and industry intelligence to create the report.

The Russian capital has been the priciest city for nine years now, and 2012 corporate hotel rates in local currency increased by 5 percent year over year. In New York, rates increased by 2 percent. Rates were flat in the Nigerian city of Lagos, where some new properties opened but "most corporate visitors use five-star hotels," according to HRG, as "security remains a major concern for business travelers in Africa, especially in Lagos."

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