Has performed ground-braking research on Business Cycle[?] general equilibrium models with heterogeneous agents.
... 1980 Paul Anka 1981 Joni Mitchell 1982 Neil Young 1983 Glenn Gould 1986 Gordon Lightfoot 1987 The Guess Who[?] 1989 The Band 1990 Maureen Forrester[?] 1991 ...