Americans seem to love everything that is larger-than-life. We love big cars, from Cadillacs to Hummers. We dream of 5,000-square-foot houses with sprawling master suites and big-screen TVs. And we crave big food, from supersized hamburgers to triple-dip ice cream cones.

We even like big art, like Claes Oldenburg’s giant sculptures and Christo’s fabric-wrapped buildings. But does a large size make an artwork more valuable? Can a tiny work of art have the same impact as a larger-than-life sculpture?