The paper reports a single long-run price elasticity (−0.258, Johansen cointegrating vector, Table 6); it is the paper's stated objective and its finding, discussed in the results text and restated in abstract and conclusion — trivially preferred. || "o aumento de 1% no valor das tarifas de energia provoca redução de 0,258% na quantidade demandada de energia. O valor de 0,258 se manifestou superior aos obtidos nos trabalhos citados anteriormente" [a 1% increase in energy tariffs causes a 0.258% reduction in the quantity of energy demanded. The value of 0.258 proved higher than those obtained in the previously cited studies] (p. 46, printed)
Mattos, L. B., & Lima, J. E. (2005): 'Demanda residencial de energia eletrica em Minas Gerais: 1970-2002.' Nova Economia, 15(3), 31-52.