The permanent decline of equipment prices relative to nondurable consumption prices rendered fixed-base quantity indexes obsolete, because of the well-known substitution bias. National Income and Product Accounts (NIPA) responded by switching to a flexible-base quantity index to measure GDP...

La caida sostenida del precio de los bienes de equipo, relativo al de los bienes de consumo, se interpreta como unamanifestación de progreso técnico incorporado (PTI). En este artículo revisaremos la metodología de la medición del crecimiento y veremos que la presencia de PTI nos obliga a...

The new U.S. data from NIPA contradict some of the well-known Kaldor stylized facts, and call for a reformulation of the modern theory of economic growth. Among these new facts, three must be stressed: A permanent decline in the relative price of durable goods, a permanent increase in the real...

Weather observations in Zafra during the period 1750 to 1840 have been compiled and studied. Zafra was the capital of the Duchy of Feria, located in the southwest of the Iberian Peninsula. The documentary sources used in this work are weekly reports submitted to the Duke (who lived in Madrid)...

Finding solutions to the Bellman equation often relies on restrictive boundedness assumptions. In this paper we develop a method of proof that allows to dispense with the assumption that returns are bounded from above. In applications our assumptions only imply that long run average (expected)...