As the home sales market looks up in many parts of the country, the story is different in Miami, reports Nicholas Nehamas.

The volume of existing home sales in Miami-Dade County fell 20.8 percent in July compared to July 2015, according to a monthly report released Wednesday by the Miami Association of Realtors.

It's not just one problem dragging down the market.

Three main factors are conspiring to slow down Miami’s real estate market: Not enough affordable housing for locals. A lack of foreclosure inventory available for investors to snap up. And a major drop-off in the number of foreign buyers, who’ve been burned by the strong dollar.

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