Kim, Chang-Jin; Nelson, Charles R - In: Journal of Money, Credit and Banking 31 (1999) 3, pp. 317-34
In Milton Friedman's model, output cannot exceed a ceiling level but occasionally is "plucked" downward by recession, implying fluctuations are asymmetric, recessions transitory, and recessions duration dependent though expansions are not. The empirical literature lends support, but formal...