The transition function model (Table 3) is the paper's headline specification; the dummy variable model (Table 4) is presented as a robustness check that 'gives for the most part results that are very similar' (p.13). || 'The Allen elasticities of substitution and the own-price elasticities of demand obtained from the transition function model are presented in Table 3.' (p.11)
Ilmakunnas, P. and H. Torma (1989): “Structural Change in Factor Substitution in Finnish Manufacturing.” Scandinavian Journal of Economics 91(4), 705-721