“…The foregoing examples were anecdotal. Unfortunately, limited empirical work has been done in 14 See e.g., Kessides (1993), Kaspar (1988), Wellenius et al (1989), World Bank (1993), Galal (1994), Pipe (1994), Taylor and Vidal (1994), Schware and Hume (1994), Smith andStaple (1994), andHanna (1994).…”