In the following we propose a growth model for an economy consisting of firms which are heterogeneous in technologies and input demands. We show that the growth rate in this economy depends not only on changes in the aggregate level of capital and labor, but also on changes in the allocation of...

We explain a puzzle from two recent meta-analyses that cover 25 countries and claim to show that inputs systematically move from higher-value to lower-value activities despite strong aggregate labor productivity growth (ALP). These papers use variants of the Baily, Hulten and Campbell (1992)...

In 2000, the Lisbon Agenda set out an ambitious plan to make the EuropeanUnion “the most dynamic and competitive knowledge-based economy inthe world”. The Agenda suggested a need for action on three broad fronts:the first explicitly macroeconomic; the second explicitly microeconomic;the third...