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Small islands around the world face many economic challenges – population decline, remoteness, a small market, high prices, and lack of resources.

To explore a possible solution, we travel to the tiny island of Sark, in the southwestern English Channel, off the coast of northern France, where a group of entrepreneurs wants to attract investment by selling shares in the place they call home, to boost its ailing economy.

Dr Michael Holmes, from Florida State University, explains how this type of investment works in the US.

And we also hear how another strategy, in the Galápagos Islands, helped boost its economic fortunes.

But what do islanders make of these types of interventions?

(Picture: The island of Sark, with a sunset in the background.)

Presented and produced by John Fernandez