Ghirardi, André Garcez; Rocha, Milena Couto; Teixeira, … - In: Nova Economia 12 (2002) 1, pp. 41-67
order to assess the firm’s behavior with respect to investment and service quality. The observed results do not contradict … the theoretical expectation of underinvestment. There is evidence that investment since privatization was sufficient to … improve the firm’s performance with respect to its own past results; nevertheless, investment was insufficient to raise …