Cable, John; Gschwandtner, Adelina - In: International Journal of the Economics of Business 15 (2008) 2, pp. 245-263
'Persistence of profits' studies of competitiveness across samples of firms, and for individual firms, have almost always employed a simple first order autoregression model. Reservations over the use and interpretation of the AR1 in this context raise questions both over the reliability of...