Browsing by Author "Silva, J. M. C. Santos"
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- Hedonic prices indexes for new passenger cars in Portugal (1997-2001)Publication . Reis, Hugo J.; Silva, J. M. C. SantosIn this paper we study the e¤ects of quality change on the price index for new passenger cars in Portugal for the years 1997-2001. Hedonic regression models are studied, giving particular emphasis to the relation between the form of the price index and the speci¤cation of the hedonic equation and estimation method used. The results indicate that the CPI component corresponding to this item may have been overestimated by as much as 2:2 percentage points per year. This corresponds to an overestimation of the overall CPI by about 0:15 percentage points per year. As a by-product of this analysis it is also possible to conclude that the quality of new cars sold in Portugal increased on average 4:8 percent per year during this period.
- On the Fisher-Konieczny index of price changes synchronizationPublication . Dias, D. A.; Marques, C. Robalo; Neves, P. D.; Silva, J. M. C. SantosThis note provides a structural interpretation for the index of price changes synchronization proposed by Fisher and Konieczny (2000, Economics Letters, 68, 271-277) and shows that it can be used to test the hypothesis of uniform staggering
- The Log of Gravity at 15Publication . Silva, J. M. C. Santos; Tenreyro, SilvanaWe review the contribution of “The Log of Gravity” (Santos Silva and Tenreyro, Rev Econ Stat 88:641–658, 2006), summarize the main results in the ensuing literature, and provide a brief review of the state-of-the-art in the estimation of gravity equations and other constant-elasticity models.