Breaking down imports and exports in terms of the value-added from different countries can lead to some controversial conclusions.

WSJ: Tech Supply Chain Exposes Limits of Trade Metrics

Though Artfire has a long way to go in terms of site traffic, their ace in the hole is their value-added user-centered support.

FORBES: Etsy's Experiment With Social Could Be Costly

In simple terms, economic value-added is almost entirely defined by the sum of wages and profits.

FORBES: Investment and Technological Progress