Why we'll invest in a Banksy

How you think about a spray-painted Banksy canvas less closely resembles how you think about, say, a bottle of spray paint, and more closely resembles how you think about Banksy himself. 

How trade policy affects uncertainty

Whether governments, or groups of governments, will raise or lower tariffs, ban the import or export of certain goods, or set new standards for carbon emissions makes industries, companies, and individuals worry about the cost and availability of goods now and in the future.