“…The long list of contributions in this regard should start with the influential paper by Friedman and Meiselman (1963), where the authors tested the relationship between money and aggregate expenditure for the US economy, and could go on with, among others, the contributions by Andersen and Jordan (1968), Meiselman and Simpson (1971), Keran (1970aKeran ( , 1970bKeran ( , 1970c, Sims (1972), Carlson (1978), Dewald and Marchon (1978), Hafer (1982), Batten and Hafer (1983), Batten and Thornton (1983), Chowdhurry et al (1986), Kretzmer (1992), Becketti and Morris (1992) and Rasche (1993). However, these 'monetarist' results have also been questioned and challenged by many others: Poole and Kornblith (1973), Waud (1974), Lombra and Torto (1974), Williams et al (1976), Friedman (1977), Vrooman (1979), Feige and Pearce (1979), Seaks and Allen (1980), Cooley and Leroy (1985), Darrat (1986), Spencer (1989), Chowdhurry (1986aChowdhurry ( , 1986b and Friedman and Kuttner (1992).…”