Effective public investment requires governments to address the "recurrent cost problem" to ensure operations and maintenance (O&M) expenditures are sufficient to sustain the flow of productive public capital services to private factors of production. Building on the model of Buffie et al...

Joining existing databases of computer characteristics, we build a robust long run indicator for computational services. A regime change occurs between 1981 and 1985 with the advent of personal computing. Since then, the affordability of desktop computing has doubled every 13 months. Storage...