This paper takes an innovative approach to test the relationship between technical efficiency and the market structure hypothesis which states that competitive pressure enhances relative efficiency. DEA and FDH time series of technical efficiency scores, for a panel of 11 US airlines observed...

This paper investigates how alliance membership, size of the alliance, membership in multiple organizations, repealing certificate of need (CON) regulation for acute care facilities, and other factors, impacts hospital cost efficiency. Using a 1996–1999 panel of 144 urban US Midwestern...