"This paper proposes a tractable model to study the equilibrium diversity of technological progress and shows that equilibrium technological progress may exhibit too little diversity (too much conformity), in particular, foregoing socially beneficial investments in "alternative" technologies...

"Many of the most pernicious economic institutions and policies create entry barriers or manipulate factor prices to transfer resources from entrepreneurs and workers to groups that hold political power. These inefficiencies partly result from the fact that direct and efficient fiscal...

"We provide a general framework for the study of cascade effects created by interconnections between sectors, firms or financial institutions. Focusing on a multi sector economy linked through a supply network, we show how structural properties of the supply network determine both whether...