[...]Importantly, these studies rely entirely on ex post analysis.In other words, the studies ask, Given the actual inflationoutcome, did the costs of TIPS issuances exceed the costs ofnominal Treasury issuances of similar durations? Thisapproach depends on the actual inflation outcome, which...

This paper uses a stochastic cost frontier model to investigate the efficiency of Britain’s private railways during the period 1893-1912. We find that there was substantial inefficiency in the industry with no sign of reduction over time. Our main conclusion is that principal agent problems...