This paper examines the notions of market and sub-market in the contex
t of housing. It first proposes specific definitions and then clarifie
s why the general characteristics of housing are likely to generate su
b-markets and why these will tend to exhibit disequilibrium of differe
nt forms and durations. These sub-markets may be sectoral or spatial,
or indeed both. Empirical evidence on the existence of sub-markets is
put forward with respect to certain Scottish cities, using hedonic and
other techniques. Finally, the implications of the existence of sub-m
arkets for the stability of local housing systems are assessed.