"In advanced economies like the United States, innovation has long been recognized as a central force for increasing socioeconomic prosperity and improving human health. Today, U.S. government policy seeks to promote innovation through a suite of mechanisms, from tax credits in the private...

From its 1958 origin in defense, the Advanced Research Projects Agency (ARPA) model for research funding has, in the last two decades, spread to other parts of the US federal government with the goal of developing radically new technologies. In this paper, we propose that the key elements of the...