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...

This paper contributes to the literature on both embodied technical progress and firm dynamics, by formulating an endogenous growth model where selection and imitation play a fundamental role in helping capital good producers to learn about the productivity of technologies embodied in new...

We build a unique dataset of 300,000 famous people born between Hammurabi's epoch and 1879, Einstein's birth year. It includes, among other variables, the vital dates, occupations, and locations of celebrities from the Index Bio-bibliographicus Notorum Hominum (IBN), a very comprehensive...

version: September 2011<br><br>This paper is intended to answer why and how innovation activities promoting economic growth may indeed induce economic fluctuations. To this purpose, it adds an adoption lag to an otherwise standard endogenous growth model with expanding product variety. It shows that the...

Increasing evidence support the claim that international trade enhances innovation and productivity growth through an increase in competition. This paper develops a two-country endogenous growth model, with form speciffic R&D and a continuum of oligopolistic sectors under Cournot competition to...

We propose a new theory of the demographic transition based on the evidence that body development during childhood is an important predictor of adult life expectancy. This theory is embodied in an OLG framework where fertility, longevity and education all result from individual decisions. The...

Vintage capital growth models have been at the heart of growth theory in the 60s. This research line collapsed in the late 60s with the so-called embodiment controversy and the technical sophistication of the vintage models. This paper analyzes the astonishing revival of this literature in the...

The availability of rich rm-level data sets has recently led researchers to uncover new evidence on the eects of trade liberalization. First, trade openness forces the least productive firmto exit the market. Secondly, it induces surviving firms to increase their innovation efforts and thirdly,...