Resumen: This article attempts to explain and predict housing prices by constructing a model based on the variables that most influence demand: the theoretical purchase effort index without tax deductions as well as a new and innovative indicator that includes the excess of mortgages granted. The Johansen methodology for cointegration analysis reveals the existence of long-run equilibrium and the model’s subsequent ECM, to verify the statistical significance of the variables, confirms the validity of the model concerning this Spanish case study. Idioma: Inglés DOI: 10.1080/13504851.2016.1142648 Año: 2016 Publicado en: APPLIED ECONOMICS LETTERS 23, 16 (2016), [5 pp.] ISSN: 1350-4851 Factor impacto JCR: 0.478 (2016) Categ. JCR: ECONOMICS rank: 281 / 347 = 0.81 (2016) - Q4 - T3 Factor impacto SCIMAGO: 0.357 - Economics and Econometrics (Q3)